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HF Amplifiers

Displaying ads 191 to 200 of 241 ads in this category.
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 WTB: Mobile solid state hf amplifier
I am looking to buy a solid state mobile amplifier. Something around 200w. No ameritron amplifiers. Something like a 2 transistor 2sc2879. Please email or text with pictures and prices. Will not answer emails outside of qth. Thank you 73’s

Listing #1742774 - Submitted on 09/10/25 by Callsign W4EKY - IP: 173.80.206.227
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 WTB: Mobile solid state hf amplifier
I am looking to buy a solid state mobile amplifier. Something around 200w. No ameritron amplifiers. Something like a 2 transistor 2sc2879. Please email or text with pictures and prices. Will not answer emails outside of qth. Thank you 73’s

Listing #1742771 - Submitted on 09/10/25 by Callsign W4EKY - IP: 173.80.206.227
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 Ft 101B No Microphone with 11 meters  
In great shape, I have no microphone for it, receives well. has power cord
Priced at 300 SHIPPED


Listing #1742767 - Submitted on 09/10/25 by Callsign N3JO - IP: 76.106.213.41
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 WANTED EMTRON DX-3SP OR DX-4
Wanted Emtron dx-3sp OR dx-4 in super mint shape... if you have one in this condition with low hours, Let me know. Would prefer you live on East coast/ mid west.... need to try it out at your QTH all bands all modes,
your call sign should match QRZ E-mail address to do business. TOP DOLLAR PAID. If you have new tubes that would be a bonus. 73's Michael


Listing #1742684 - Submitted on 09/09/25 by Callsign KI7S - IP: 204.111.239.44
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 Hunting a used Acom Combiner
I am in dire need of the Combiner that Acom produced that will allow you to take three Acom 2000A auto tune amplifiers and combine them to make one amp.
I know somebody out there in Radioland has got to have one that they would be willing to part with that’s no longer loved.
I don’t care if it’s been smoked around as that’s almost like a cosmoline protector.
If you have one, please don’t hesitate to contact me as I will most likely drive to where ever it’s at to obtain with cash. Thanks WyldeBill


Listing #1742610 - Submitted on 09/09/25 by Callsign N5GQ - IP: 45-27-81-133.lightspeed.jcsnms.sbcglobal.net
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 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
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 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
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 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
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 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
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 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
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