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RF Concepts - Professional Amateur Radio Amplifier Repair
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HF Amplifiers

Displaying ads 71 to 80 of 233 ads in this category.
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 Complete Flex 8600 w/GPSDO PGXL and TGXL  
I have a complete working very good FLex 8600 and the power house amplifier PGXL and the TGXL tuner with 2sor
the price for the whole thing is $10,000


Listing #1760158 - Submitted on 02/25/26 by Callsign WU5E - IP: customer.atlagax1.isp.starlink.com
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 VACCUM VAR 2000PF-15KV   
2000PF 15KV PAY PAL SHIPPED UPS INSURED $275.00

Listing #1760143 - Submitted on 02/25/26 by Callsign W4IMD - IP: 99-102-212-226.lightspeed.tukrga.sbcglobal.net
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 Want amp supply lk500 or 450 transformer
looking for a amp supply lk500 or lk450 transformer. If you have one sitting around send me a email .
Thanks


Listing #1758611 - Submitted on 02/10/26 by Callsign KG4WPW, Modified on 02/25/26 - IP: 154.sub-174-218-54.myvzw.com
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 Heathkit sb220 lots of mods.   
PRICE DROP ONLY ONCE!!!!!!!!!!! Vacuum relay. Circuit grounded. 24vdc at keying circuit. Was told it has the Peter Dahl transformer and new tubes. 40w in got me legal limit. Im going solid state. 2k FIRM. PRICE DROP TO 1800.00 WILL NOT GET ANY CHEAPER. NO TRADES. Will ship on your dime. I will box it to save you some money. If you want to send pirate shipping label, I will accommodate or ship ups. No returns due to parts swapping. This thing already has the mods you want! Small white stuff on knobs will 100% come off. 25811 WV. If using paypal, buyer is responsible for fee.

Listing #1757482 - Submitted on 01/31/26 by Callsign W8LDX, Modified on 02/24/26 - IP: 50.26.159.129
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 FOR SALE AMERITRON AL 811 H AMPLIFIER
LOW HOURS VERY CLEAN, GOOD TUBES. NO PETS OR SMOKING.NO SHIPPING. WILL MEET PART WAY.I LIVE IN THE HOUSTON AREA. NO TRADES OR RETURNS.SELLING FOR A SILENT KEY.CAN PUSH ABOUT 600 WATTS. WILL SEND PICTURES TO YOUR PHONE ON REQUEST. WILL ACCEPT CASH OR POSTAL MONEY ORDER. $850.00 YOU CAN CALL OR TEXT ME AT 281 630 3938 THANKS, GENE N5ROE

Listing #1760041 - Submitted on 02/24/26 by Callsign N5ROE - IP: 47.221.93.212
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 Kenwood 922A
I have for sale a real nice Kenwood 922A. It comes still wired from the factory at 110volts and also has orginal Eimac 3-500 tubes. It works as it should. Tubes are good . This amp will be a pickup only amp cause I do not have original boxes. I do have the orginal users manual and original bill of sale.
I live in western Kentucky. I am asking $1000. Can be picked up almost any time.


Listing #1758456 - Submitted on 02/09/26 by Callsign AI4EY, Modified on 02/24/26 - IP: c-68-57-37-217.hsd1.ky.comcast.net
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 WTT for Alpha 9500
Looking to thin the heard of gear and trade for an Alpha 9500 amplifier. If you're interested in chatting more, please email me. I am located in Michigan.

Listing #1760015 - Submitted on 02/24/26 by Callsign N8ZBA - IP: c-68-83-194-70.hsd1.mi.comcast.net
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 AMERITRON ARB-702  
I have 2 Ameritron ARB-702, both are apparently for Icom radios, one is for the IC 706. $35.00 each plus shipping.

Listing #1759968 - Submitted on 02/23/26 by Callsign W7UJ - IP: 67-5-119-56.spok.qwest.net
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 SPE Expert 1.3  
Very nice 1.3 amp works as it should. Comes with dust cover and factory box , wired for 220 now . $ 3100.00 you pay shipping or if local I ca meet you half way .

Listing #1759920 - Submitted on 02/23/26 by Callsign KB1GOO - IP: c-73-148-146-170.hsd1.fl.comcast.net
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 FS: New HF28-220 power transistor  
New HF28-220 power transistors from RF parts. $100 each plus mailing. Have spec sheet as well. 30 MHz28 VoltsIMD 30 dBCommon EmitterGold MetallizationPout= 220W PEP Min. with 12 dB GainImprove Collector-Base Breakdown Voltage: 110 Volts Min.Direct replacement for ST SD1730 (TH560)


Listing #1759864 - Submitted on 02/23/26 by Callsign W1JCW - IP: 23-92-13-217.wirestar.net.wirestar.net
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