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Comet CAA-500 Mark II Commercial Grade SWR/Impedance Analyzer
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HF Amplifiers

Displaying ads 61 to 70 of 251 ads in this category.
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 Palstar LA-1K HF+6M Amplifier   
Up for sale is a very nice Palstar LA1K LDMOS amplifier. It will easily do 1000 watts PEP. It is a very nice unit that sells for around $3900 new if you can find one. This includes a power cable for 240 volts (it will run off 120 volts but I don’t have that cable) and a copy of the manual. It’s made by hams for hams in Piqua, Ohio and is a current production product. My only reason for selling is because I’ve put an Icom PW2 into service. Price is $2750 plus $75 shipping. Pickup preferred or meet with 100 miles of Fort Wayne, Indiana but I would ship. It’s not very heavy, 27 pounds. No PayPal, bank check, postal money or cash only. More photos upon request.

Listing #1726129 - Submitted on 04/16/25 by Callsign W9WN, Modified on 04/26/25 - IP: host199-241-240-174.rev.mercurywireless.com
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 Ten Tec Titan 425  
Nice Ten Tec Titan 425 for sale in New England. Clean cosmetically and works well. Very light use and has always produced rated output with very low grid current. The HV transformer was replaced by a repair shop (QRO King) a few years ago after the original shorted.  Comes with a spare set of Eimac 3CPX800A7 tubes. Local pickup only so we can go over the amplifier together and verify performance and condition. No returns, parts swaps or refunds. Any high power amplifier can be destroyed very quickly with improper setup or use. Located in western CT. 2200$

Listing #1727188 - Submitted on 04/26/25 by Callsign KD5CHG - IP: syn-024-151-106-048.res.spectrum.com
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 FS::30L-1 amp ps board, relay board,  
Be ware of cheap off-shore copy version at some auction sites. The made in China copy version selling higher than my price.Choose the original since 2007. The best reputation 30L-1 power supply board for $75 Plus $13 for USPS priority mail.Board uses 1000V 3A diodes in series, and 105 deg C caps, 4 times of life compared to 85deg C caps, 220 uF 6 of them. The Heat sensitive caps are under pc board while the Heat generating bleeder resistors are above the PCB, no chance that Heat damage the capacitors. assembled and tested. Relay board changes original -170V, 70mA to -15V 1mA or less. If you use relay controlled radio for the 30L-1, Relay board is a must.Price $30, Ripple filter for relay and bias22uF 250V and 1K ohm .01 uF 630V reduction high 60hz ripple bias supply & another 22uf Bias cap & MOV protection.


Listing #1725658 - Submitted on 04/12/25 by Callsign K6HM, Modified on 04/25/25 - IP: 75-37-192-218.lightspeed.lsatca.sbcglobal.net
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 Heathkit SB220 for sale
SB 220 for sale. very good condition. non smoking, 10 meters. external
h.b. soft keying adapter, Eimac tubes. $1000. pick up or meet on I 75
North Georgia.


Listing #1727149 - Submitted on 04/25/25 by Callsign K4CKS - IP: host-67-45-112-47.hnremote.net
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 FOR SALE: Heathkit SB200 with extras.  
Clean well working classic amp from a non smoker.
Comes with the Arb704 buffer and a standby switch.
Used effectively with my Icom 7700. 50 watts in, an easy 500-600 watts out. Never any problems. FREE shipping!
$500


Listing #1725881 - Submitted on 04/14/25 by Callsign W3MP, Modified on 04/25/25 - IP: 75-161-90-94.albq.qwest.net
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 FS: Heathkit SB-220  
Time to make room for other "stuff" For sale is my SB-20, an outstanding amplifier. Tubes are not new but still run a cool Kilowatt + into a 50 ohm dummy load. Harbach power supply and metering board conversions have been done and everything is working just as an operator chasing a rare dx contact would hope. This amp has seen limited use over the past 12 months but is routinely used each month "just because". Faceplate is clean and cabinet has no dents, dings and no flaky paint. Asking $1,200 plus shipping, but I would really prefer someone pick it up, or meet me somewhere for the exchange. Sale is final, no warrantees or guarantees expressed or implied. Thank you scammers.

Listing #1726997 - Submitted on 04/24/25 by Callsign W8QW - IP: dyn-149.19.222.254.hrvl.mi.homeworksinternet.net
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 wanted: qrp amp 200- 300 watts
looking for a amp that will output 200 to 400 watts with 10 watts or less drive. I will pay with paypal or usps money order.
please do not try to scam me! I may ask lots of questions, I have been scamed before. tnx Don w8ptb


Listing #1724349 - Submitted on 03/31/25 by Callsign W8PTB, Modified on 04/24/25 - IP: 161.38.248.45
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 Sale Pending SB-200 PK up in Dayton Area  
Local pickup in Dayton, Ohio area
Looks very good, need capacitors, has hum on signal.
$400 or Best offer
I’ve finished clearing out my Ohio Radio Room.
I also have other items are and are Best offer.
If you’re going to Hamvention, we can arrange a meet.


Listing #1726490 - Submitted on 04/20/25 by Callsign N4ECO, Modified on 04/23/25 - IP: c-73-35-75-89.hsd1.fl.comcast.net
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 F.S. Acom 1200S 2800
looking to sell Acom 1200-s solid state amp very good condition. you can contact me at 817 500 2773 for pictures. can ship if needed amp is boxed and ready to go. $2800 ty from AI5BG

Listing #1726901 - Submitted on 04/23/25 by Callsign AI5BG - IP: 45-31-75-152.lightspeed.rcsntx.sbcglobal.net
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 SB-220 Linear Amplifier w/orig manual  
SB-220 Linear Amplifier w/paired 3-500Z's. Tubes have been used for approximately 8 hours. New cooling fan. Set up for 240V use (240 more efficient) but is capable of switching to 120V. Best method of contact is 717-261-0774. If call is blocked, leave a text msg. Will only sell to verified Licensed Amateur Radio Operator. Negotiated price ($1100.00) + transportation cost as I will not commercially ship this amplifier (txfmr too heavy - would damage chasis if mishandled during shipping).

Listing #1723633 - Submitted on 03/25/25 by Callsign W3RKD, Modified on 04/23/25 - IP: c-73-187-184-136.hsd1.pa.comcast.net
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