QTH.COM Ham Radio Classified Ads: AMPHF - Swap amateur radio HF VHF equipment buy sell trade on line

AMP Supply LK800C TNY: Amp Supply LK800C TNY: 1500W+ HF High Power Amplifier. Rare hard to find, 160m to 10m, separate RF deck and external heavy duty power supply, HV hi and lo switch, heavy duty Peter Dahl transformers, three Eimac 3CPX800A7 tubes, soft start, manual, operational test data. $2700 Pick up or agree to meet.; Listing #1742608 - Submitted on 09/09/25 by Callsign N9DJ - IP: 111.sub-97-224-116.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
AMP Supply LK500ZB: Amp Supply LK500ZB: 1000W HF Amplifier. 160m to 10m plus WARC. Two Eimac 3-500Z tubes, QSK CW, op manual, operational test data, heavy duty Peter Dahl transformers. Upgrades include: New Ameritron RF plate choke for WARC operation, new HV bypass caps, HV wire, cooling mod, new Harbach power supply module, modified parasitic chokes and added glitch resistor. $1100 - Pick up or agree to meet.; Listing #1742607 - Submitted on 09/09/25 by Callsign N9DJ - IP: 111.sub-97-224-116.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
AMP Supply LK550: Amp Supply LK550: 1500W HF Amplifier. Rare hard to find, 160m to 10m plus WARC, separate RF deck and heavy-duty external power supply, heavy duty Peter Dahl transformers, three Eimac 3-500Z tubes, QSK CW, New Ameritron plate choke for WARC operation, op manual and operational test data. – $1600 – Pick up or agree to meet.; Listing #1742606 - Submitted on 09/09/25 by Callsign N9DJ - IP: 111.sub-97-224-116.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Sale: Ameritron AL811H 2023 model10m mod: $1100 will consider reasonable offers. I'm looking to get a heavier duty amp to be able to run more power, so this one has to go. I bought it new from gigaparts in 2023, works great. Has 10m mod and wired for 120v. Will do 800w on all bands except 10/12 m (700 there) I tried to keep the tubes in good shape most of the time only ran 50w into it. Also always had an extra fan attached on the side for better cooling. Has original manual. Shipping can be arraigned, but it's not going to be cheap. Local pickup pickup available on the Seattle east side. Have photos & videos available. Qrz info is good. Cash, zelle, check after it clears.; Listing #1742562 - Submitted on 09/08/25 by Callsign W7MTH - IP: c-73-169-209-106.hsd1.wa.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
La-1k: Palstar la-1k 1kw amp very nice condition $2600 pulse shipping; Listing #1742290 - Submitted on 09/06/25 by Callsign W1RSS - IP: 172.56.79.145; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
External soft start: Home brew external soft start. This will work with any amp. Email for
Additional pictures. Used this with many older amps over the years. $35.00 plus actual shipping.; Listing #1742239 - Submitted on 09/06/25 by Callsign KA2QWC - IP: pool-71-250-209-90.nwrknj.east.verizon.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
La-1k: I have to many amps so I’m offering my Palstar la-1k. Not a lot of use she is very nice and works 100%. I have the manual but not the original box. $2600 or trade for a 6600 flex or ts890 -990 with cash on my part for the right radio. Thank.; Listing #1742233 - Submitted on 09/06/25 by Callsign W1RSS - IP: 172.56.79.145; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Elecraft KPA 1500 For Sale: Excellent condition, perfect operating order, little used.
5k, Cleveland Ohio area, prefer not to ship.; Listing #1742221 - Submitted on 09/06/25 by Callsign VE3CNF - IP: customer.mntlcan1.pop.starlinkisp.net; Click to Contact -- Send this Ad to a Friend
RF-Power Amplifier ( RF-Kit ) - $4999: i have a brand new RF-POWER Amplifier (RF-Kit ), never used, just opened to check that arrived without any problem. no scammers. cash, Zelle. paypal with friends and families. i asking for 4999 shipped; Listing #1742204 - Submitted on 09/06/25 by Callsign KB4EC - IP: c-174-61-79-45.hsd1.fl.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE: Clipperton-L HF Amplifier: Dentron Clipperton-L HF Amplifier. Good condition. Includes 10m modification. Manual also included. Wired for 240 VAC operation (or "234 VAC" as the manual says). Age of 572B tubes is unknown, but they are showing signs of age with somewhat lower output power than new tubes. Measured power into dummy load:
1.815 MHz 400W
1.915 MHz 425W
3.515 MHz 500W
3.875 MHz 500W
7.015 MHz 700W
7.250 MHz 750W
14.015 MHz 700W
14.300 MHz 725W
21.015 MHz 750W
21.400 MHz 750W
28.015 MHz 600W
28.600 MHz 600W
Amp is heavy - will not ship. Pick-up ONLY within SE PA/South Central PA/SNJ/Northern DE/NE MD areas.
Asking $500 cash or PayPal.; Listing #1742172 - Submitted on 09/06/25 by Callsign N3NR - IP: c-73-81-13-93.hsd1.pa.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend