3cx3000 amplifier 1 2-pill x force driver. Type 61- 2" (0) Your Price: $9. Keep in mind that you will need realistically a "bit" more than 5 watts to drive one, so you will need an intermediate amplifier as well. Henry Radio manufactured high power tube amplifiers for Amateur Radio, business, commercial, industrial and scientific use for nearly 50 years, but that part of our business closed in 2005. your amp, most people will call your amp a Class C amp. I used 400 watts carrier with 2 KW PEP drive on a 3CX6000A7 amp posted in the "tube amp pics" section. com http: 'Cathode-biased class AB amps are usually exempt from the "70% rule", because their cathode voltage rises when a signal is applied, effectively reducing the bias, and shifting the amp further into class AB operation. High-Mu Power Triode. Available high plate current under Class AB1 operating conditions permits high power gain with a minimum of distortion. Brief online data sheet shows anode dissipation as 4 kW max, but data sheet shows 3 kW max: Eimac: 3CX3000A7: 4000W: Forced air: 110MHz: 3CX3000. HF-Amplifier with 4CX1000A build into the cabinet of the amplifier with a GS31b Xforce Amplifier, Xforce, Amplifier, cb radio, cb amplifiers, radio sales and service, power supplies, antenna systems, forum, 2sc2879, 2sc2290, power pills, pp60 Plate Choke 2 amp (0) Your Price: $31. (Heavy) Sammy W5DPP Listing #1533057 - Submitted on 03/30/21 by Callsign W5DPP - IP: 69-5-209-155. 0 170 155 3000 3300 6000 850 -200 120 175 o 4160 3100 dc plate voltage dc screen voltage dc plate current plate dissipation screen dissipation grid dissipation *per tube values 6000 1000 Shop for 3cx3000 amplifier at Best Buy. Power outpout is 1100 watts. com> Date: Wed, 7 Apr 2010 21:54:09 -0400 The thread started with the Ebay 3CX3000 amp. From the voltage 7. Check it out! FOR SALE - Atlanta, GA - A very nice strong amplifier. DA: 61 PA: 33 MOZ Rank: 85. 3cx3000 Amplifier For Sale . "A Low-Drive, High Power All-Band Tetrode Linear Amplifier" by KN5S, CQ for July 1990 using untuned rf drive circuitry with a 4CX1000A. linear amplifier , for some time, now I have most of the bits it may actually come to fruition. The cheapest offer starts at Tk 550. 6 1. I have put extensive work into this amp. Note: The filament voltage to set for the final tubes is SIX POINT ZERO volts. No text. TUBE AMPLIFIERS 87,5 - 108 MHz TRIODE AMPLIFIERS VJ5000 300 W IN 5000 W OUT threephase 3CX3000 tube Telemetry con. 01uF@1KV 0-240V@56A #30 x 4" on 3" ceramic standoffs *(5) 50z 15KV band switch eingang 3CX3000A7. Add to Cart. - Perform a complete check of all functions. . Regular price $2,800 00 As can be seen from the photo below, a switch was added on the front panel, to select whether power was applied to the relay box when (1) the 3CX3000 amp is plugged into the wall but not necessarily running or switched in, (2) switched in and operating with the B+ applied, or (3) the power to the relay box can simply be turned off. Has the following components. 6-30 MHz Single Phase, use with HF-8030 PS ACOM Amplifier Repair ACOM amplifier repair and restoration. part #: 3CX3000 prices Ratings: Item as described very pleased thks For sale is a doc built 323 ct. Chimneys 2 for your 3CX3000 projects. 99 4CX20000B-EI. 3cx3000a7 Amplifier Sale On Ebay . 95 In Stock. I recently bought a used Bird model 43 wattmeter. Please note, that the FCC does not authorize the use of CB Amplifiers in the US, hence many are sold as 10 meter amplifiers not as CB or 11 meter amplifiers Many of the most popular are the Texas solif state mrf150 eb104 linear amplifier hf vhf home made with 4cx800 gu74b gu78b 3cx1200 3cx1200a7 8877 3cx1500 4cx250 4cx15000a gu36b Related: 3cx3000a7 linear amplifier 3cx6000 3cx10000 3cx5000 3cx1500 ham radio amplifier 4cx5000 3cx15000 4cx10000 ham amplifier 4cx1500 Include description Category NECs 870 MHz GaAs CATV 20 dB PUSH-PULL AMPLIFIER : 1 2 3 : California Eastern Labs: A17_1: Cascadable Amplifier 10 to 1000 MHz : 1 2 : Tyco Electronics: A35_1: Cascadable Amplifier 10 to 2000 MHz : 1 2 : Tyco Electronics: A66-1_1: Cascadable Amplifier 10 to 1000 MHz : 1 2 : Tyco Electronics: A80-1_1: Cascadable Amplifier 10 to 200 MHz : 1 2 AMPHF - FS Henry 3CX3000 RF Generator Power Supp Henry RF Generator Power Supply Approx. com Quote:>timmy, since when does a 250 amp ac leece neville run at 18 volts?? >it runs 3 phase ac, tell toll free he should know better than that, i will >bet you >or him that a single alternator will produce enough power to see way more >than > 10kw with a 3cx3000 ac amplifier See full list on robkalmeijer. Resources listed under RF Amplifiers category belongs to Manufacturers main collection, and get reviewed and rated by amateur radio operators. RF Concepts Alpha 9500 Linear Amplifier CW operation. Small economical 3CX3000A7 Built with all new parts tube transformer and more! and ready to ship The NEW 3CX3000A7 AMP NOTE: this is a heavy 1 piece)1 to 1 1/2 amps transformer. At its rated maximum plate voltage of 3000 volts, it is capable of producing 1630 watts of peak-envelope output power. 5 out of 5 stars 13 $59. 1ga color coded 3 phase wire purchased for 800 Jack Kendall, KC5GBF, was responsible for putting into production the 3CX2500 series triodes, later to become the 3CX3000 tubes when ceramic was used, and planar triodes and was employed first in San Carlos and later at the Salt Lake City plant where he retired as development engineer around 1984. What are the CB linear amplifiers supported modes and bands? The supported modes and bands of operation for a CB linear amplifier on eBay include the following: AM: The amplifiers support signals at the AM frequencies of 535 to 1705 KHz at a distance of 10 KHz bands. Eimac Transmitting Tube 4CX20000B Tetrode, Broadcast / Industrial. BandなみのFBな動作状態 output as an amplifier, oscillator or modula-tor at low plate voltages. I think a 4CX500oA would make 7500 watts output using a 60 amp 240 volt AC input. This is a current date code, unused tube in its original box and carries the manufacturesrs 1 year guaranty. To date this amp is still in Contests operation. 3. The amp covers almost all frequecies 1. 6 KVA (15 KW / 0. That 30-Watt rating is for near-continuous duty inside the family television. 70 watts of carrier drive is more than enough. $ 852. Let me know what you have. Armstrong Transmitter manufacturer of FM transmitters, AM transmitters, TV transmitters, Digital STL Systems, FM antennas and Combiners shipped worldwide TAKACHI is a leading manufacturer of electronics enclosures and industrial enclosures for a variety of applications. We Repair ampl. It could even take more if you had it. I had a Yeasu 2100F, Heathkit Warrior, and Henry 2K3. I am working on a power supply making 4800 VDC at 2 A, as part of a 3CX3000 RF linear power amplifier build. HF-Amplifier with 4CX1000A build into the cabinet of the amplifier with a GS31b or Class B amplifier in rf applications including the VHF band. I paid $130 for it at a ham flea in MA. , is not covered by warranty! Brand new Scientific Radio Systems Power Supply for the SR-110 Kilowatt Amplifier. Power Supplies. sub-174-222-14. This feature will also prevent its working temperature from getting too high. 25" (0) Your Price: $9. mv. Thanks for looking !! -Ron . This auction is for one new imported Greenstone 3CX3000A7 ceramic triode transmitting tube. This is the amplifier you have been looking for. Plate and Filament Power Transformers at Parts Express. SETEC 4CX1000A The new design big size tank coil, the vacuum variable capacitor, and 3CX3000A7 promise the very reliable operation. 1000 to 1300 watt peak. There was a nice 3CX3000 amp for sale on +QTH. The compact Midland CB-1 40-channel CB Radio is the replacement for Midland’s popular 1001Z. REPAIR ALL AMPLIFIER ALL POWER repaire all amplifier tube or transistor This 1 w 100 kW: YC-156 Amp, K7RDX: A 600W MOSFET amplifier for 144 MHz with 2 x MRF151g, DK9IP: 2 x QB4/1100 HF Power Amplifier, SP5GJN: 1KW LDMOS for 144 MHz W6PQL: 4 KW HF LINEAR AMPLIFIER with GU-78B,SV8JE COVID-19 Update Alamo Transformer will remain open. This RCA tube had very brittle filaments, according to Bob Groome Tube socket for 3CX3000 / 3CX6000. Summary. A linear amplifier is a radio frequency (RF) power amplifier that provides highly linear power with the input and output keeping, their relationship proportional all the while. In other words, the amplification rate of the doped fiber, i. Eimac datagives the pair of 8875 triodes an output rating of 1174 watts CCS. At work with 3KW 13. The circuit: 1) 1-3cx3000a7 2) plate voltage=4200 vdc (choke input)(4 uf capacitance) 3) plate choke=123 turns of #21 mag wire on 1" dia. 027 [] 2017-05-16 [] 3CX3000A7 Cgp = 24pF Cgp=24pF 6M HF Candelstein Radio Laboratories DZ1 DZ2 DZ4 DZ3 DZ1-4: BC rectifier stack, each 40 units in series, made of: parallel connection of 400V@25A rectifier, 470K@1W, 0. CB Ham Radio Location: Cedartown triode tube oscillator for sale 3cx3000 triode triode power tube 3cx2500f3 triode tube smd triode for amplifier triode 2 triode tube triode tubes 9. Type 61- 1. Not that the 3CX3000 will ever see CB use, I don't like trouble! Sure there are some larger ones out there like 4CX5000's and 4CX10,000's but I don't need more just saying someone always has more, let's Henry Radio is the manufacturer of high power amplifiers for ham radio, business radio, scientific, and industrial users. Plus shipping homemade amplifier with 4CX1000A. I purchased it new on 8/13/2014 and it was delivered on 8/21/2014. com A 3cx3000 Base amp, 32 pill, 64 pill, or maybe other base amps. com last week for a hell of a lot less money. kenrick eagle 515 amp by mikepa » Monday, 29 March 2021, 9:17 AM » in General Questions; SBE or Belcom sx100 base mic wanted by 659 » Monday, 29 March 2021, advanced radio devices 230ax 50/60 hz version of ard 230a with taps core) a-0480/ c-core style #) 10 hipersil c-core pr) 200-220-234 vct 50/60 hz s1) 1750 vrms @ 1. Let me know what you have. The tube has a low inductance cylindrical filament tank circuit for VHF operation. The XFORCE 3cx3000-1 Looks as Good as it Talks. Posted by 5 years ago. Also match pair of 3-300z tubes. Phone # 205-572-6922 The population inversion rate therefore adapts so that the corresponding average gain level matches the link span loss [32], thus determining the gain spectrum function of the amplifier [33]. 5 The 3CX3000A7 high-mu forced air cooled power triode provides relatively high power output as an amplifier, oscillator, or modulator at low plate voltages. Related: linear amplifier 3cx3000a7 amplifier 3cx10000 eimac ham radio amplifier 3cx1500a7 3cx10000a7 3cx15000 3-500z 3cx6000a7 3cx3000a7 amp 3cx800. Let me know what you have. 13 aB2 grid driven aF amplifier or modulator 5,000 2. GENERAL CHARACTERISTICSI ELECTRICAL It is an amplifier with gravitas capable of satisfying the serious and most fastidious station operator. 12 tube, all match. At that kind of power, especially if running upper HF (20m up), human tissue in the presence of strong RF fields gets hot. Sale For Today Only at www. Get Linear Amplifier right now! WTB KENWOOD TL-922 AMPLIFIER Looking for Kenwood TL922A amplifier in excellent to good condition with 10 meter mod. This tube was saved when a local transmitter was decommissioned, It has never been fitted or used and was kept in the foam since new. Manufacturers of Ham Radio RF Power Amplifiers category is a curation of 59 web resources on , King Conversions, R3KBO EB104. 00 All our RF linear amplifiers are rated up to only 50% duty cycle! Some solid-state linear amplifiers have NO DC cables included. Pictures a must. The radio is setup to r Planet Audio TR3000. This tube is used in many industrial applications, broadcast transmitters and the Henry 8K Ultra linear amplifier. The heater still has continuity and there is no corrosion. 00. OK, here it is. tx. 6) blocking cap= 1200pf @ 30kv 7) L1= B & W COIL 10 Thru 80m 8) High Voltage is bypassed at the entrance to the plate choke by 3 caps in Parallel Dentron MLA-2500 HF Amateur Ham Radio Linear Amplifier For SaleThe MLA-2500 is a good quality SSB linear amplifier with 600watts total plate dissipation and a 1KW DC CCS input rating,covering the traditional HF ham bands from 160 to 10 meters. The cooling blower is much quieter than the original. Brief online data sheet shows anode dissipation as 4 kW max, but data sheet shows 3 kW max: Eimac: 3CX3000A7: brief: 4000W: Forced air: 110MHz: 3CX3000. myvzw. ru Amateur Radio Products, Mizuho products. 3cx3000a7 Amplifier For Sale . This particular Scored a Free Multi-kW HF Linear Tube Amplifier (3cx3000a7)! Help me put it on the ham bands! Close. Uses HP style power cord. In turn, those fans produce a lot of noise, making users annoyed. 5 4,000 --- 0. Get a load of the huge BASLER hypersil transformer. The tube has a low inductance cylindrical filament tank circuit for VHF operation. The Yaesu FL2100 series, the Dentron Clipperton L, and the Collins 30L1 amp with 811A tubes, are particularly unstable designs. This can add positive feedback, increasing intermodulation distortion. he Svetlana™ 3CX3000A7 is a high- performance ceramic/metal power triode designed for use in zero-bias, class AB, or class B RF or audio amplifiers. Archived. Chokes. Datasheet search engine for Electronic Components and Semiconductors. After my previous videos showing the safety hazards and damaged parts, this is the end result after working on it. brazos. Creative Electronics CE-2500E RF linear power amplifier, 1. max. Connects to SR-204 frame with 3 plugs and connections to fuseholder. Having 5KW of RF floating around under the deck will most probably create lots of problems. Chimneys. Call for stock status! 970 two nine five 4200. Supplies 1 amp continuous. 00 Plus ship. the input is a broadband transformer so no peak like with a resonant circuit. It was used in sputtering system, at 13. Distributor of Bird Technologies RF measurement equipment. 5 4,000 --- 3. Eimac 3CX3000 RF Amplifier Tube for sale Find great deals on Amplifiers in your area on OfferUp. Interesting stuff. Showcasing a bunch of Linear Amplifier today. VHF linear amplifiers category is a curation of 58 web resources on , 2 m. com Click Here to Email-- Send this Ad to aB2 grid driven RF amplifier linear amplifier 5,000 2. A cheap 'pole pig' transformer would power the amp. CB amplifiers tend to create a lot of heat, which is why they need to use large fans. A modern mesh filament is used, replacing 3CX3000 center tapped filament transformer from a Continental 317C. . 3 It seems wise to me to check the filament voltmeter quite carefully with a known accurate meter before running a 30S-1 for lots of hours. 00 . 00 . Eimac 3cx3000 tube6 amp plate supply diodes6 amp bias Homebrew 3CX3000A7 Amplifier - W1UUU. 625 wt = 8. This amplifier has been in regular use and easily makes full legal limit (1,500 w+) with only 65 W of exciter drive. This is a working amp- the odd blue form is a welding rod container wrapped with 6 ga wire. . Co. So not all amps need a fan, but it is better to cool them if you can. So, someone is buying these tubes. For questions and prices please call us 954 868 2698 audio-frequency amplifier or modulator class-ab maximum ratings (per tube) max. com Click Here to Email-- Click Here to View Picture-- Send this Ad to a Friend Product description This auction is for one new imported Greenstone 3CX3000A7 ceramic triode transmitting tube. 使用して、気持ちの良いAmpになりました。 高圧をいつものように高めに設定して、負荷時でも5KVを維持していますので、FT-1021Xを使用し て、Outは、5KWと満足に行く値です、28MHzもQが高く取れ、能率もLow. The factory zener voltage was chosen for SSB operation. Shipping and local meet-up options available. GROUNDED GRID TRIODE HF LINEAR AMPLIFIER click on any photo to ENLARGE The 3CX3000F7 power grid triode with its 4000 watt plate dissipation loafs along at legal limit Amplitude Modulation, plus It only needs one D. Brand | Eimac/CPI Description | The 3CX10000A7/8160 is a(n) fac triode manufactured by CPI-Eimac. 99 Triode 3CX3000A7 are forced air cooled ceramic-metal power triode containing a thoriated tungsten carbide cathode of which the maximum plate dissipation up 4kW and are designed for used as RF power amplifier, oscillator, or modulator. S. No stereo 3cx3000 amp is going to be portable anyway. power supply. It does not a blower, metering, rack cabinet or power supply. 5 4,800 --- 2. FOR VHF/2M/144MHz. The pulse version of the 4-1000's would handle this fine, but you needed to . That's why it pro- duces a useable SSB signal. I love the 4CX250B, a fine tube and cheap for the power. So long as the key-down time is short enough, and the standby time is long enough, it doesn't get hot enough to be damaged. This 10M-12M amplifier has two Eimac 3CX3000A7 tubes in it. Pictures a must. Find low everyday prices and buy online for delivery or in-store pick-up. com CHIMNEY FOR 3CX3000 OR GS-35B This is a new custom made chimney for 3CX3000A7 or GS35b TUBE. cbjunkies. 74 115 1. Here we use VN66AF as an rf amplifier for 10m band (26 … 30 MHz ). Carl _____ Amps mailing list Amps@contesting. In severe cases, the amplifier becomes unstable and oscillates under some tuning conditions at or near the operating frequency. 3cx3000 Linear Amplifier. The 8122 is a very small, forced-air-cooled beam power tetrode designed for use as an RF power amplifier, oscillator, regulator, distributed amplifier, or linear amplifier in mobile or fixed equipment. sub-174-222-14. 8 MHz to 30 MHz: Power supply: 4 power supply transformers: 30000 VA, 1800 VA, 2200 VA & 3 VA: Plate voltage Hey Guys Hope you can help me. With ~13dB of amplifier gain, that is about 1400 w carrier and 5600 w pep output. Higher cost is the reason why manufacturers don't use the quieter fans. Review (mpn: 3CX3000 for sale) 3CX3000 Amplifier Chimneys. This tube is used in many industrial applications, broadcast transmitters and the Henry 8K Ultra linear amplifier. 13 aM service aB2 grid driven aF amplifier or modulator 5,000 2. The amplifier came online with no problems. com If this is something you are interested in, visit us at www. Our Power amplifiers cover 40 KHz to 90 GHz operation for a wide range of both linear and saturated applications, including network infrastructure, radar, test and measurement and communication systems. Thanks and 73s Allan Listing #1533081 - Submitted on 03/30/21 by Callsign NH7NJ - IP: 179. 4cx5000 3cx3000 3-500z HV 3cx800 4-1000 eimac gs35b rf hv ham radio amplifier vintage antique radio transmitter transciever hf Payment We accept PayPal or payment upon pickup Shipping Most items ship within 5 days unless you have paid with a personal check. $3300. 3CX10000A7/8160. Reason is about ten 4CX5000 and 3CX3000 are for sale on ebay and ebay does not normally sell to radio stations. 4CX1000A - Tetrode tube . 3CX3000 final Tuned input circuit 160 - 10m (no WARC bands) extra 3CX3000 tube extra bandswitch Grounded Grid Amplifier Neutralization While there may be exceptions, neutralization of a high frequency PA (power amplifier) 3CX3000 series 3CX5000 Mobile Solid State Linear Amplifier Basics By Telstar Electronics (Manufacturer of the Skywave DX350) Mobile RF amplifiers have been in existence for many years. - Frequency adjustment to zero tolerance. It has a step start power supply, Russian capacitors totaling 80uF. One technique I believe is to simply NOT run the amplifier up near its book limits. My Alpha 8410 is in absolutely pristine condition. Combined shipping is not available for items that were paid for separately or by not waiting to receive a combined shipping Zener Diode used to bias medium-sized grounded-grid amplifier tubes like the 3-500Z, 8877 and 3CX3000. FOB prices were provided by the companies interviewed only as reference prices at the time of interview and may have changed. Shipping is fixed 20 to the lower 48 states. 3CX3000 data sheet, alldatasheet, free, databook. can be used on a 3cpx1500a7 3cx3000a7 5000a7 gs35b 3cx10,000 and more! 6"H x 1"round For educational purposes only Phone: 773-431-4444 If this was really for a 10 KW Transmitter tha used a pair of 3CX3000 or a single 3CX6000 then this may be the ticket. . The terminal arrangement of the 8122 facilitates use of the tube with tank circuits of the coaxial or strip-line type. com Broadcast Electronics, Inc. Will not ship. This means you can bias them hotter than a normal fixed-bias class AB amp and the tubes will still survive. Electrical specifications for the 3CX6000A7 / YU148 / YU 148 Vacuum tube: Filament Thoriated Tungsten mesh The Number One SSB DX Station in Northeastern Pennsylvania Reviews, Articles, Mods, More The power amplifier stages in both types of transmitters have similar efficiency ratings, both being in the range of 60 to 70 percent, plus or minus a few percentage points. 5 The Ameritron AL-1500 Linear Amplifier will deliver 1500 Watts CW output with only 65 Watts drive. Solid state driver amp; 8877 Tube Amplifier 1500 Watts on 2 meters; 3CX3000 Tube Amplifer on 6 meters; 4 Nine element yagi; 16 X 33 Foot 2 meter Yagis; JT65 Digital Mode - 10db better performance; H-Frame antenna structure; Getting Started on EME: Start with W7GJ's website; 6 meters you should live in the TEP Zone to use 100 watts and a vertical Amplifiers Panel Meters RF Power supply High frequency Oscillator Tube 3CX3000. 56Mhz RF amplifiers, even with the covers on, RF leaks out of the cracks. 13. Free Shipping. . Original "basket case" Alpha 76PA amplifier. 0 410 7. com if you have any problems ordering. Pride DX-300 Linear Amplifier Great Condition With New UpdatesI have for sale a Pride DX-300 Linear Amplifier that is in Great Condition . the gain per meter length of doped fiber that is produced is fully determined for a given The Larcan amplifiers come in three frequency ranges with three power ratings in each. He is trying to get a used one from the local radio station. 6 115 10. The load cap is a glass vacuum and it is mounted under the RF deck. Not 6. It will definitely make 6KW peak power but uses a small 2. Dear CQWW CC member, is it in your opinion than there is a STRONG EVIDENCE that you are violating the rules? In the past I met personally almost all of you and I know your stations (like almost everybody knows). 500 price) $735. The one in my Mesa/Boogie tube amp came with an on-off switch. A dremel tool easily removes one finger. One might expect this arrangement to be frequency-independent. 00 Out of Stock. var. Please check my other listings for more of this and other projects. HF Amp using a 4CV1500B with untuned input circuitry terminated with 100 ohms. truckscbsales. Refine. Im looking to convert it to amateur use. - Aligning the receiver for optimum signal to noise ratio. I'm able to install the RF deck without the need of a helper. The plate high-voltage transformer of the Tsunami power amplifier is designed for 10 KVA, because for a SSB output power of 15 Kilowatts with an amplifier efficiency of 65 percent and an average voice power of excessive 33 percent (with dreadful contest modulation), the required transformer power amounts to 7. brazoswifi. swr is good 10-160m, a little high on 80 and 160m. The power supply was built by doc built 323 ctThis is a plug and play amplifier. Re: [Amps] CB amp directly coupled via cap to antenna (score: 1) Author: "Carl" <km1h@jeremy. It was built so well that i thought it had been factory-made. 33). 00 PLUS JUST TO SHIP TO YOUR DOOR. com. 2,419 likes · 12 talking about this. Phone : +1 (315) 673-1269 E-mail : info@armstrongtx. Needs a 220 or 440 3phase input, any where from 5200 to 5500 Volts out I'm thinking 700 watts carrier or 2. It appears that the future is the Rusky tubes. like gs35b's or something more than a 1000 bird please. Post your items for free. Frequency bands: all HF amateur or commercial bands: 1. 5 4,000 --- 3. In a realistic sense, your amp trully operates just on the Class C side of Class B--which is a LINEAR class. Output power Ideal for a amplifier band switch !! Very similar to the configuration used in Alpha 77 series amps, they have 5 shorting fingers. The 8169/4CX3000A is a ceramic and metal power tetrode designed to be used as a Class-AB1 linear amplifier in audio or radio frequency applications. The additional turns on the pi-net inductor worked fine. This guy is very friendly and will help you if you email him, and he IS cb friendly ! Being a passive-grid amplifier, most of the input power is dissipated in a non-inductive 50 Ω resistor, see four types, left to right: 50 Ω /250 W, 50 Ω /150 W, 150 Ω /30 W and 50 Ω /25 W. I changed the subject for you so YOU dont get confused. It is less than 2 years old. Used on a 3cx300 Tube 350. In many cases, with poor band conditions, high noise levels and heavy interference, etc, and if your signal is just above the noise level at say S 3 as an example, then by adding another 10 db to what you are already using (100 watts) you would gain just a little over 1 1/2 S units and be "heard" (seen on the S meter), at about S4 to 5 or said another way . 3cx3000a7 . com 3CX3000 Junkbox Amplifier Project About this project: The goal is to build a 3CX3000A7 amplifier, a so-called 'junkbox' amplifier because it's to be made with parts-on-hand or traded for, and minimum cash outlay. var. Solid State HF Amplifier 16 MRF150 2. At such low cost it must also provide the cleanest RF output per FS Henry 3CX3000 RF Generator Power Supp Henry RF Generator Power Supply Approx. Two 8168/4CXIOOOAs operating in Class-ABI will produce 3260 watts of audio power. 00 . Tune up is easy and straight forward, tune for max out put. It puts out 1/2 the power of the two holer. Visit u If this is something you are interested in, visit us at www. Power triode ITL15-2, electron tube equivalent to AML1. favorite this post Mar 23 Abstract: 3cx3000 3cx3000a1 3CX300 800 watts audio amplifier Text: The 3CX3000A1 /8238 low-mu power triode is forced air cooled and is intended for use as an audio amplifier or modulator. myvzw. 3CX300A7 < https: Now about this amp-picture-braggin'. Download 3cx3000. The PIN diode RF switch in the 87A proved problematic for more than a few owners. The 5KW FWD and the 500W REF through line wattmeters show peak envelope power. Operation with zero grid -plicity by eliminating the bias supply. The high band amplifier was designed for 174-230MHz. - For low intermodulation distortion, grid interception in RF, audio-frequency linear amplifiers Note: All price quotes in this report are in US dollars unless otherwise specified. $2,550. If the box is put together right it will make over full rated power with far less drive. Price: 4500€ SKU/Item Number: ACOM2000A. You can watch both forward and reflect power all the time. Also match pair of 3-300z tubes. Thanks and 73s Allan Listing #1533081 - Submitted on 03/30/21 by Callsign NH7NJ - IP: 179. Most amplifiers made today in this legal limit ++ class utilize either 3CX800 Eimac ceramic/metal triodes or Svetlana ceramic/metal 4CX800A/GU74B tetrodes. We offer a wide selection of surplus new & used transformers IN-STOCK and READY TO SHIP! - Modifying the mic amp circuit for more gain when necessary. The tube has a low inductance cylindrical filament-stem structure which readily becomes part of a linear filament tank circuit for VHF operation. At 10kv where guys were running these, 1 amp on a peak would be 20kw. homemade amplifier with 4CX1000A. After some success with a prototype I bought some stock- 60′ of 1 1/4″ angle iron, a 4′ x 8′ sheet of 16 ga sheet metal and one of aluminum. The 4CX20,000B is intended for use as a Class C RF power amplifier in AM broadcast service, for use as a push-pull audio amplifier or modulator, or as a pulse modulator. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators. 8% similar) For combined shipping email me when you are finished shopping and I will send you an invoice with the total cost for shipping. The voltage this board provides is higher than the original zener. G. tx. can be used on a 3cpx1500a7 3cx3000a7 5000a7 gs35b 3cx10,000 and more! 6"H x 1"round. 99 $ 59 . WTB KENWOOD TL-922 AMPLIFIER Looking for Kenwood TL922A amplifier in excellent to good condition with 10 meter mod. It’s mainly devoted to the old vintage AM tube gear along with the occasional SSB item or two, but with some solid-state stuff mixed in as well. HF-8020 Power Amplifier, 1kw 622-3380-001 Tube type (Y757, 4CX1500B) 1. 56 mhz. The rugged 3CX3000F7 has a grid dissipation of 225 watts vs the popular 8877 which only dissipates 25 watts. Explore 6 listings for Used power amplifier for sale at best prices. brazoswifi. 3cx15000a7 Amplifier For Sale . The RF input is a BNC connector, and the RF output is an SO-239. Bunkerofdoom. 5kv vac. w1uuu. The tube has a low inductance cylindrical filament-stem structure which readily becomes part of a linear filament tank circuit for VHF operation. These numbers, however, do not really tell the complete story. Sorry, we have detected unusual traffic from your network. 4200 VDC . Spectra-Physics R2 Diode Pumped Nd:YLF Infrared LASER CW, Q-switched, and modulated Zygo Laser Interferometer Super precise measurement of changes in distance Megawatt TEA-CO2 LASER At MACOM we design, manufacture, and support a wide variety of power amplifiers for RF, microwave, and millimeter wave applications. sub-174-222-14. 3CX3000. The term "Rat" is usually applied to vehicles but anything can be ratted. C. form 5" long 4) c1= 5-250pf 15kv vac. volts volts amps watts watts watts 5000 850 -180 3. U. Pictures a must. Ron k0idx rgb52. Fan cooled power supply. He figures on getting 500 - 1000 watts if he uses a 2000 volt transformer. At the time, I was inspired by the realization of our friend Daniel F1DRR (SK) with some modifications. High voltage fuse protection. Svetlana: 3CX3000A7 : 4000W: Forced air: 110MHz Power Amplifiers HF-802X. - Adjusting the squelch range - Calibrate the transmit and receive meter settings. It is similar to a 3CPX5000A7, except it has a grid flange for direct chassis mounting. Note- I do not condone illegal power. He is going to use the LM3886 amplifier as a driver. f. We also offer parts and accessories related to amplifiers, RF test equipment, business radios, ham radios, and other equipment. > For you owners of the 30S1 amplifier, I have a new Amperex 4CX1500B > for sale, asking $225. Most CB Amplifiers are solid state transistor devices, however tube type monsters still exist. It'll be somewhat of a Rat as well. For sale: Professionally built custom HF linear amplifier. 4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G. Grounded-grid operation is attractive since a power gain of over twenty times can be obtained. This is a 3 amp plate choke Teflon. If anybody out there has already done so, I be interested in hearing from you, Im sure I can do it, but I wouldn't mind some useful hints, and not recreate the wheel totally. Built for the US military or export, 100w input gives you 2,000w (key-down) output, 200w input gives you 3,000w - 4000w (key-down). Get the high competitive factory price, meet the high quality China Valve Manufacturers like Zhejiang Setec Co. com yc156. he Svetlana 3CX3000A7 is a highperformance ceramic/metal power triode designed for use in zero-bias, class AB, or class B RF or audio amplifiers. Amplifier Parts. Used on a 3cx300 Tube 350. A. 6KVA (CCS) transformer with a voltage doubler and huge stack of electrolytics, so the regulation is not the best (22%) if it is pushed. Ghostrider Amps. Abstract: 3cx3000 Eimac 3cx3000a7 3000a7 operation of class c amplifier 3CX300 Eimac+3cx3000a7 Text: The 3CX3000A7 high-mu forced air cooled power triode provides relatively high power output as an amplifier, oscillator, or modulator at low plate voltages. Linear amplifiers are focused to concentrate on linearity in all types of load situations. These board make a great Amp even better. Provider of a trunking two-way radio repeater service for Los Angeles / Orange County radio communication. 0 Receiver Bass and Treble Control TPA3116, 100W x 2 for Home Speakers (with Power Supply) 4. 00. 3 out of 5 stars 962 $118. THE AMP HAS BEEN SOLD ALPHA 8410 for Sale by K2MK. more Format Henry used Greenstone exclusively in the last 7 seven years of their amplifier production and for replacement in all amplifiers. Some YC156 amp FAQs: What is a YC156 and why did you use it? The YC156 is a custom tube made for a medical equipment OEM for use in MRI systems. Automatic HF amplifier with 2x 4CX800, in excellent condition. Changed from a single band 80 meter amp to a 160, 80, 40 amp. Parts TUBES ( only a few left ) 3cpx1500a7 / 3cx800a7. 3CX3000 parts 4CX3000A Eimac Transmitting Tube, Tetrode, 8169 / 4CX3000A (NOS). Wizardbuilt. 00. The CB-1 packs 4 watts of power with an independent RF gain control and squelch for crystal clear reception. 74 115 1. Our team has compiled a curated assortment at the best pricing. max. Please slide to verify help help 3CX3000 Datasheet, 3CX3000 PDF. It’s my first filament choke. 3cx6000a7 Amplifier Bluetooth Amplifier Mini Audio Amp - Stereo Class D Integrated 2 Channel Bluetooth 5. , Ltd on valveindustry. 3CX3000A7 is good to 110MHz - the 3CX3000F7 has flexible leads and is only good to 75MHz. myvzw. It gives you the Herculean 3CX1500/8877 tube for full legal output with minimum exciter wear. All specifications and features, except output power, are the same all throughout the Emtron amplifier product range, and the DX-3SP comes complete with QSK module as standard. 19" wide (rack mount), very heavy. 3CX3000A7 is good to 110MHz - the 3CX3000F7 has flexible leads and is only good to 75MHz. pdf Report this link. max. The 3CX6000A7 / YU148 / YU 148 Vacuum tube is a power triode for use in zero bias RF amplifier or modulator service. The New Xforce Line of AC Amps are designed to give you I have a nice 3CX3000 amp that was built by someone else. A falcon (UA6CL) Amplifier with gu74b TECHNICAL DATA The EIMAC 3CX3000A7 high-mu forced-air cooled power triode provides relatively high power output as an amplifier, oscillator, or modulator at low plate voltages. 12. 00 Plus ship. It has been used very and has a new High Voltage Board and Low voltage Board and Bias installed by Chris and Nomad Radio`s. Part of the problem seems to be that the typical globar-type resistor has too much inductance for satisfactory VHF-suppressor service. When I see the photos of your stations or when I visited your stations, I noticed a lot of amplifiers like OM3500, OM4500, Alpha 77 (2×8877) or Henry 8K or homemade amplifier with a pair of GU78, 3CX3000 or a 4CX10000 or more. truckscbsales. 3cx3000 Transmitter Rca Vacuum Tube Chimney 10 Kw Broadcast Amplifier Modulator (31. Armstrong Transmitter Corporation 4835 North Street Marcellus, NY 13108 U. 10Kw + heavy duty THIS IS A 3CX3000 CONSOLE UNIT. 4200 VDC . brazos. I have made 23,233 QSOs with it since 8/21/2014. 5V at 52Amps that seems to me that is for a heater of a 3CX3000 tube for a Ham power amplifier. It produced 8 KW carrier and modulated 40 KW PEP. 5 4,000 --- 0. CAPACITORS - Please email sales@rfjunk. At such low cost it must also provide the cleanest RF output per dollar. 2. RF amps of this kind are tricky because they are almost always close to class B and so the very signal acts to modulate the output voltage of a carelessly or cheaply built power supply, in turn distorting the linearity of the signal. meter select switch. 5 4,800 --- 1. And with a unique switch-mode power supply, power won't be its only take-note feature. e. 00 plus s&h fob buffalo, ny weight) 46 lbs ===== advanced radio devices 230c plate xfmr for 3 tube CB Amplifiers are used to boost your transmit strength. I used to sometimes write the test sheet using the amplifier cover as a writing surface. It was designed for this tube- though an A1 as an audio modulator. I need it for measuring the maximum output of my HF amp build. From this we see a 3CX3000F7 is a triode with ceramic envelope and external anode, has approximately 3000 watts dissipation (in fact dissipation is 4000w), has flying leads, and highest mu of the 3CX3000 group (most suitable for grounded grid). The 9500 is a real heavy hitter that em-ploys microprocessor control circuitry to handle band switching, antenna selection and tuning of the amplifier’s output circuit, as well as for several types of 3CX3000 Datasheet, 3CX3000 PDF, 3CX3000 Data sheet, 3CX3000 manual, 3CX3000 pdf, 3CX3000, datenblatt, Electronics 3CX3000, alldatasheet, free, datasheet, Datasheets rf linear-amplifier or audio-amplifier applications where its high gain may be used to advantage. need about 60 watts of drive for full output. nl 3cx3000-1 One Tube Base Unit THIS IS A PRICE ON REQUEST ITEM. TECHNICAL DATA The EIMAC 3CX3000A7 high-mu forced-air cooled power triode provides relatively high power output as an amplifier, oscillator, or modulator at low plate voltages. watch the pin temperature so not to melt the lower temp glass around them. com Click Here to Email-- Send this Ad to . Some parts like rectifiers are not included. 3CX3000A7 10Kw + heavy duty - Xforce Amps 3cx3000a7 Amplifier Schematic . 7dB Power Gain means full legal output with low drive! Offered for offer is an Ameritron AL-1500 linear amplifier in outstanding condition, physically and electrically. Prices subject to change. Low grid interception and high am - plification factor combine to make the 3CX800A7 drive power low for a tube of this power capacity. 3cpx800a7 3cx1500d3 4cx5000 yl1050 The "Junkbox" 3CX3000 Amplifier ~ NEW! ~ LASERs; How the eye responds to different laser wavelengths and why invisible lasers are so dangerous. Output power 2100+ kw 8500+ Peak watts maximum. HF Linear Amplifier Repair I have over 20 years experience in amateur amplifier repair and modification. 6 320A Alternators purchased for 500 each. In a semantic sense they're correct. 3CX3000 output tube [left], the forthcoming zero-feedback NBS SET, at 300 watts, will output a bare 1/10th of what the tube is capable of and still be the world's most powerful single-ended triode amp ever made. 3CX3000 Junkbox Amplifier Project - Bunker of DOOM. It's done up in Xforce Silver, and Powder Coated Clear. com 516-Transformer-wanted, 3cx 3000 for sale amplifier, 3cx3000 amp for sale, dak mark 10, 3cx3000, 3cx3000 homebrew amplifier for sale, stargun antenna, transformer 4500 secondary 220 primary, dak mark 10 schematic, 3cx3000 wanted We repair most amplifier brands, please call us for a service quote and details. Post your items for free. 5 435 5. The amp uses a 3cx3000 A7 for the final tube. 99 $ 118 . 4100 North 24th Street c cathode driven RF amplifier 5,000 2. 8 – 30 MHz, designed around a single Eimac 3CX3000A7. A 30-Watt sweep tube in 1975 cost around $6. 10uF 4kv filter cap and 210w bleeder resistor are included. GS35B HIGH POWER LINEAR AMPLIFIER. Linear Amplifiers for Amateur Radio,Power Amplifier for 144 MHz,KW amateur amplifiers,gs23b,gu74b,gu78b,4cx2500,4cx800,The new Eimac 8877,Highpower Welcome to my website regarding one of my long-time hobbies, amateur radio. 3CX3000 3CX5000 4-1000A: McMartin BK-2500, BK-5000 4CX5000A (aka 8170) 4CX10000A 4CX15000A (aka 8281) 5762 891R 892R: Most non-Western Electric transmitters. Shipping and local meetup options available. DESIGN and HOMEBREW by F1CXX . The driver amplifier uses a pair of MRF151G. In addition, some tubes have additional letters inserted in the type number. Each year has different stuff in it. With this 27MHz rf amplifier, small transmitters ~ 200mW, can be transformed in 2 to 3 W 10m Materials only, it is worth ±$2000. Shop For. That's twenty cents a watt. Less than 2 years old. ) A number of 3cx3000A7 builders have experienced parasitic-oscillations between 60 and 70MHz. unit, solid stater driver, and 3cx3000 amplifier, High bvoltage power supply. Local pick up is always welcome. M. Six Meter Linear Amplifier, showing new front panel and cabinet (above), and original Alpha 76PA junker (below). 8 KW PEP is too much drive on the 3CX3000 tube. 937 mw = 5. This is the reason for the high airflow squirrel cage fan in the photos. Alas, in the beginning only vacuum tube types were available. But, not this one… This amplifier features a noise offset control, meaning that it won’t bother you while working. 1 3cx3000 driver Originally build by Dave (was a converted 3 tube 3-500z) Worked on mainly by me (looks bad, but works well) 1 Original Peter Dahl transformer Too old to remember the cost. com Note: I have many images of the build in progress- It will take some time for me to get this page into shape= I had been looking for a rugged HF linear amplifier with plenty of headroom. The goal is to build a 3CX3000A7 amplifier, a so-called 'junkbox' amplifier because it's to be made with parts-on-hand or traded for, and minimum cash outlay. . 18 vdc, -40 -60 vdc bias, -60 vdc, +84 vdc, +157 vdc and +550 vdc Amplifier Tube (FU-728F, 4CX1500B, 4CX1000A). Rear panel of ampifier, showing ICE low-pass filter, ALC threshold adjust, and r. Requires 3 amp or 1-1/2 amp fuses. 4 KV is a comfortable voltage for a 3CX-3000A7. When you look in the amp, the components are larger and heavier than any Amp I have ever seen, These are big components, BIG and HEAVY DUTY. 4. We provide a wide range of enclosures : Plastic enclosure, Handheld enclosure, Aluminium enclosure, Diecast aluminium box, Stainless steel box, IP67 waterproof enclosure, Junction box, 19"rack mount enclosure, etc… Multitech 86 series ceramic switch rf amplifier ham | Consumer Electronics, Radio Communication, Ham, Amateur Radio | eBay! DUAL EIMAC 3CX3000A7 Linear Amplifier/ Very nice!! - $5,800. The low band amplifier modules are designed for 54-72MHz (lo/lo) and 72-88MHz (lo/hi) operating ranges. This is a current date code, unused tube in its original box and carries the manufacturers 1 year guaranty. Drive input 150 watt Key & 850 Peak. But don't start nuthin' unless you got sumpin'. Comments 4CX3000a Amp. 075 dt = 7. RF amplifiers routinely pump twice the rated power to a 'sweep' tube. Where local, county or state officials have announced “stay-at-home” orders, Alamo Transformer will continue to provide support to other “essential businesses” by carrying out functions that are critical to our customers meeting their infrastructure needs. 3CX3000F7 PLASMA AMP TO 40 METER CONVERSION this amp is set for 40m band, you can play with numbers and values until MFJ shows good. Also, another 4CX1500B by Eimac (used but > in > excellent conditon) c/w SK-810B socket and SK-806 chimney, asking > $250. com Click Here to Email-- Send this Ad to 2-30MHz +6 3CX3000F7 Amplifier [] V0. 5 lug axles 6 lug trailer axles amp; 8 lug trailer axles TrAi $100 pic hide this posting restore restore this posting. 73, thanks and happy building. 26 aB2 grid driven RF linear amplifier aM service 5,000 2. 5kw triode valve electron tube triode ring light triod for mobile More RF AMP PARTS - Wizard Built. (Heavy) Sammy W5DPP Listing #1533057 - Submitted on 03/30/21 by Callsign W5DPP - IP: 69-5-209-155. 5) c2= 50-1200pf 7. WTB KENWOOD TL-922 AMPLIFIER Looking for Kenwood TL922A amplifier in excellent to good condition with 10 meter mod. a little above the noise Manufacturer of solid state RF power amplifiers. It would be hard to find a Pride DX-300 as good as this one. This was an amp in need of repair. And "High Power Linear" by W6HHN again using a 4CX1500B with untuned input circuitry and a novel grid bias arrangement. 50 $ 899. The enclosure top is also included with this Amplificatori Lineari I 5 U X J QRO Home Made Linear Amplifier HF AMPLIFIER. And BEFORE You Call, BE AWARE THAT IT MUST GO MOTOR FREIGHT AND CAN EASILY COST $500. Using a single EIMAC, A. If you get one of those past your sigificant other blasting holes in the floor should be a cakewalk. The MLA-2500 will produce an input power of 2KW PEP. 5 aB2 cathode driven RF linear amplifier 5,000 2. 8 to 30 mhz, there are just a few odd balls it does not cover. This board raises the When I see the photos of your stations or when I visited your stations, I noticed a lot of amplifiers like OM3500, OM4500, Alpha 77 (2x8877) or Henry 8K or homemade amplifier with a pair of GU78, 3CX3000 or a 4CX10000 or more. I started looking for a 5kw slug right away- there was a vendor selling them that day but i didn’t want to spend $130 for a Coaxial Dynamics. Thanks and 73s Allan Listing #1533081 - Submitted on 03/30/21 by Callsign NH7NJ - IP: 179. I realized in 1976 a 144 MHZ amplifier with a 4CX1500b. max. yc156, 4cx5000 3cx3000 3-500z HV 3cx800 4-1000 eimac gs35b rf hv ham radio amplifier vintage antique radio transmitter transciever hf search titles only has image posted today bundle duplicates include nearby areas ames, IA (ame); ann arbor, MI (aaa); appleton-oshkosh-FDL (app) F. 1D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers 4. Svetlana: 3CX3000A7: 4000W: Forced air: 110MHz 3cx3000 amplifier, 3cx3000 transformer, www. In a solid-state transmitter, there is little power consumption outside the shelves of ganged amplifier modules. As a linear amplifier, high power gain may be obtained without sacrifice of low intermodulation distortion characteristics. Also match pair of 3-300z tubes. 1. (BTW, thx PRR for the model info. SRS P/N: 204400. You may or may not find a 3cx3000 plan as it is more power than most would want, but you could find something to use as a starting point. Sale. Power Supply for 3cx3000 and 5000 YC-156 YC-179 3cpx5000a7. I am new at designing amplifiers so this high school kid is building a high power audio amp for me. Click for larger image: H-V PLATE CHOKE ( NEW ) This is a 3 amp plate choke Teflon. 40HE rack /MP Monophase version option Find great deals on Amplifiers in San Antonio, TX on OfferUp. The AL-1500 also features time delay starting to protect the tube and over-current shut off to remove the drive if mistuned. Buy quality used electrical transformers online & save 40% to 60% off retail prices. I am familier with all brands and types; grounded grid and grid driven; triodes, tetrodes and pentodes; glass and metal ceramic. Amplifier Power Tube, Vacuum Tube, Triode manufacturer / supplier in China, offering High Freqency Amplifier Power Tube (GU-84B), Oscillator Power Triode RS3040cl, Metal Ceramic Vacuum Electronic Tube (RS3040CL, RS3060CL, RS3060CJ, RS3060CJC) and so on. Jay in the Mojave Frank Gilliland wrote: On Sat, 12 Feb 2005 07:18:49 -0800, Jay in the Mojave wrote in : Hello All: Looking for a good sized power transformer. Choose a Hammond 272JX, 273BX, 270BX, or a 270HX high voltage plate & filament power transformer. 3cx3000 Amp . 3CX3000. Input: 115 / 230 vac, switch selectable; Output: 12 vdc reg. He is planning on using a 3cx3000 tube for the final stage. Band VHF PA 5 Watts, GJ4ICD's 8877 50MHz Amplifier, Homebrew 50 MHz Amplifier. 688 md = 3. 1 amp ccs dm) ht = 7. As pictured. 3-500C $ 199 each or $395/matched pair 8877 (3CX1500 A7) $925 3CX3000A7 $850 We also carry glass chimneys for 3-500 tubes click here. The 3CX10000A7/8160 is primarily used in broadcast applications. 65 x 0. Capacitors. The 10 meters 27MHz CW radio amplifier is equiped with VN66AF transistor produced by Siliconix wich has some advantages: its cheap, great dielectric insulation and high gain. 6 115 10. Another way to look at it: it's a 3CX15000B7 with a 5kW anode cooler (same internals and curves). Exceptional! Ameritron AL-1500 Linear Amp. S. Any/all amplifier damage caused by RF overdrive, overvoltage, reverse polarity, corrosion, acts of God, adverse environment, transmitting into a high SWR, etc. $129. Each band has its own input circuit that employs troidal cores. max. 3cx3000 amplifier