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

Ameritron ARB-704: Ameritron 704 This is a Buffer that goes in the key line going to your amp to protect you radio it works as it should have two of these left you can buy one or buy them both for $75.00 each shipped i dont have PayPal Thanks 73; Listing #1753203 - Submitted on 12/19/25 by Callsign W4LLR - IP: h12.234.23.98.dynamic.ip.windstream.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE:Like New RF-Kit RF2K-S Amp: I Changed to an SO2R compatible amplifier. This RF2K-S factory-built amplifier is certified as meeting factory specifications and warrantied by and physically at the USA distributor in Florida. Single owner, non-smoking owner. Purchased in the early part of 2025 and is now excess. No trades. Almost $2000 below current price. $4299 plus shipping (Typically between $80 and $100). Please contact me thru QTH system only.; Listing #1753198 - Submitted on 12/19/25 by Callsign AD4ES - IP: syn-107-145-177-103.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS ASSORTED RADIO CABLES TO amps: I Have a selection of assorted radios to amplifier new cables and i think a yasue mic adapter cable that came in a purchase i bought. I want to sell all SO please make me a fair OBO offer on all and buyer pays cheap shipping cost on pirateship.com from 74558 you can contact me here or km5vk at hotmail.com or tx me 580 298 7987 for more pictures or info. no returns, sell to con. usa only Thanks km5vk 73; Listing #1753046 - Submitted on 12/18/25 by Callsign KM5VK, Modified on 12/19/25 - IP: customer.dllstxx1.pop.starlinkisp.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Display Unit for Elecraft's KPA500: Digital Display Unit for Elecraft's KPA500

A compact, easy to read KPA500 Digital Display Unit (DDU). It allows the monitoring of five crucial readings all at the same time.

The DDU measures only 4X4X2 with an easy to read 2 line display that can be located at the operating position and the KPA500 located up to 100 feet away.

The DDU is designed with the following features:

Easy to read 2 line display
No USB or serial cable to computer
No com port in Windows to manage
No computer needed
Plug and Play
Simply connect the supplied DC power cable to power supply and PC data jumper cable to the KPA500
Retains all functions of the KPA500 front panel
All displayed info obtained directly from the KPA500

All cables supplied. Easy setup.

Newest Hardware and Software. $199 plus $10 shipping.; Listing #1752674 - Submitted on 12/14/25 by Callsign KV5J, Modified on 12/19/25, Web Site: http://www.kv5j.com - IP: 66.11.124.175; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For sale: RF-Kit RF2K+ B26 Ampl w tunerT: For sale: RF-Kit RF2K+ B26 Amplifier with build-in tuner. Factory assembled. All upgrades done at authorized factory service center by former owner. Works as it should. $3950. Selling because I have too much stuff. More pictures available upon request.; Listing #1753192 - Submitted on 12/19/25 by Callsign W5MF - IP: 99-62-241-156.lightspeed.hstntx.sbcglobal.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS Collins 204F-1 Working Cond: I am selling my Collins 204F-1. It is in working condition. Information can be found on the internet, as well as a manual. It is rated to run 3000 watts 24/7. it is capable of running more than than that. It is heavy, well built, with vacuum relays. This amplifier is pickup only, in Northwest oklahoma. It is on casters, and weighs about 750LBS. Selling for 3200.00 Cash. I have additional pics for serious buyers. Sold as is no returns. Contact Mason. 214 293-4050; Listing #1749347 - Submitted on 11/12/25 by Callsign K5YHX, Modified on 12/19/25 - IP: 172.59.124.199; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Ameritron ALS-1300/1306 powersupply 50v: Ameritron ALS-1300/1306 power supply 50 volts/50 amps is a voltage regulated current limited supply. It contains 14-volt positive and negative supplies as well as dual 50-volt 25-ampere continuous (30-ampere peak) fully current limited supplies. Each PA (power amplifier) module in the ALS-1300/1306 operates from the separate 50-volt sources, giving a total dc input power rating of 2500 watts to the power amplifier modules.
Power supply to amplifier connections are through a heavy-duty cable using a large Cinch Jones connector. Power Line Requirements This supply ships wired for 200-260 Vac. The maximum average power line current is 12 amperes at 240 volts. Two 250-volt 15-ampere fuses fuse the power line. Power Supply was working when taken out of service. Being sold "as-is", no return due to parts changers, your use.... Other pictures available if needed. Instruction manual on line. $620 shipped stateside. Paypal, USPS MO or good personal check.; Listing #1753181 - Submitted on 12/19/25 by Callsign WA1APX - IP: 100.sub-75-222-214.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FOR SALE: SPE 1.5KFA Amplifier Series 3: Due to medical conditions, I am selling a SPE 1.5KFA amplifier in mint condition. I am the original owner, and it is still under warranty until Dayton 2026. This was one of the last series three amp made before the Taurus. I am asking $4995 plus shipping. I would prefer a pickup so that I can demo the amp before you buy. I have the box, leather carrying bag, CD, all connectors, and warranty card. I can be reached by email or by cellphone at 609-351-0733. You can leave a message and I will return the call. Thanks for looking.
73,
Chas, K2BU; Listing #1753178 - Submitted on 12/19/25 by Callsign K2BU - IP: c-73-112-154-148.hsd1.nj.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
WTB 10 board for an Ameritron ALS500: I have a Ameritron ALS500 that needs a 10 meter filter board.
Thanks Doug; Listing #1753138 - Submitted on 12/18/25 by Callsign K0JU - IP: 18-92-76-76.skybeam.com; Click to Contact -- Send this Ad to a Friend
Palomar amp wanted: Searching for Palomar CB amp 300A that has 10-40m band switch text or call 352 727 3356 Darryl KS4PC I am not on QRZ!; Listing #1753106 - Submitted on 12/18/25 by Callsign KS4PC - IP: h111.113.89.75.dynamic.ip.windstream.net; Click to Contact -- Send this Ad to a Friend