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

Ameritron Amplifier ALS-600 >PENDING<: -->PENDING SALE<--
Ameritron HF Solid State Power
Amp ALS-600 with the more
desirable Heaver Linear
Power Supply.
What you see is what you got.

https://sadfar.com/Forsale/item149/
Was Deliverable to any local ChicagoLand
area "REAL" Hamfest(s) including 2026
Dayton/Xenia HamVention &
HHHuntsville Alabama Fest
in August. Usually at each
event early, + 3 to 4 days....
Thanks;
Gregory (K9OY), LAST Old Wife Xs. ANNE
(OYN) does NOT LIVE HERE Anymore....
>PENDING SALE<; Listing #1766256 - Submitted on 04/27/26 by Callsign K9OY, Modified on 05/23/26, Web Site: https://sadfar.com/Forsale/item149/ - IP: c-98-222-115-109.hsd1.il.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Ameritron AL 572 amplifier $1200: Ameritron AL 572 amplifier for sale. 1200 W 15 m through 160 m have original box and shipping box prefer pick up only.; Listing #1768974 - Submitted on 05/23/26 by Callsign W9COD - IP: customer.chcoilx1.isp.starlink.com; Click to Contact -- Send this Ad to a Friend
FOR SALE: Palstar LA-1K: I have a used but clean Palstar LA1K 1k amplifier that needs to go to another good home. I am upgrading to a bigger amplifier and its already here. It comes with a 240 power cord. One little scratch on the left side. Non smoker home. Tex or email is the best way to get in touch. Original box with all the shipping cushions. More pics to serious buyers upon request. My address is good on QRZ
$2900.; Listing #1768965 - Submitted on 05/23/26 by Callsign K8AJJ - IP: 99-7-79-194.lightspeed.livnmi.sbcglobal.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
WTB: BLOWER HENRY 2K CLASSIC: BLOWER HENRY 2K CLASSIC
I need a blower for the Henry 2K Classic. I do not want to drill holes into a beautiful piece of gear. So, an original one is sought...that works perfectly for sure.
w1wy
I would also like to buy more spare parts to keep this Henry working.; Listing #1768212 - Submitted on 05/16/26 by Callsign W1WY, Modified on 05/23/26 - IP: ip174-65-248-212.sd.sd.cox.net; Click to Contact -- Send this Ad to a Friend
Ameritron AL 572 amplifier $1200: Ameritron AL 572 amplifier for sale. 1200 W 15 m through 160 m have original box and shipping box prefer pick up only.; Listing #1768901 - Submitted on 05/23/26 by Callsign W9COD - IP: customer.chcoilx1.isp.starlink.com; Click to Contact -- Send this Ad to a Friend
Ameritron AL 572 amplifier $1200: Ameritron AL 572 amplifier for sale. 1200 W 15 m through 160 m have original box and shipping box prefer pick up only.; Listing #1768875 - Submitted on 05/23/26 by Callsign W9COD - IP: customer.chcoilx1.isp.starlink.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For Sale: OM 2501HF Amplifier: I have an OM 2501 HF Amplifier with the GU84 factory-upgraded tube purchased from Array Solutions. It is in perfect working and cosmetic condition with manual, receipt, and all packing materials. This amplifier weighs over 100 lbs, so I want to offer it for sale and prefer pickup —$4000. You can find the specs for the OM 2501 HF below:
https://www.om-power.com/products/om2501hf
The new cost is $5700 to $6500 0nline. Feel free to email or call with any questions. Email good on QRZ, and cell is 770-601-1452 73 de KD4ASS, Wes; Listing #1768867 - Submitted on 05/22/26 by Callsign KD4ASS, Web Site: https://www.qrz.com/db/KD4ASS - IP: syn-024-181-046-027.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS: Mercury III S LDMOS linear amplifier: $2500 local pick up only.Tampa.FL eBay item number:306956030128 for more photos
M3KM Mercury IIIs (or Mercury 3S) compact, and fully automatic 1200W solid-state linear amplifier. LDMOS 160m to 6m
7” color touchscreen display, built-in antenna switching, and whisper-quiet cooling.; Listing #1768860 - Submitted on 05/22/26 by Callsign K4NS - IP: 89.116.40.37; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
KPA500 RF Power Monitor/Remote: KPA500 RF Power Monitor — Real-Time OLED Display for Elecraft KPA500

Six critical parameters, always visible, updating 10×/second on a high-contrast 256×64 OLED. No menu cycling. No squinting.

Monitors: Power Output (0–700W) · PA Voltage · PA Current · SWR · PA Temperature · Band + Operate/Standby

3×2 grid layout — large fonts sized for quick reading across the shack.

Direct RS-232 integration via MAX3232 — no amplifier modification required.

Specs: XIAO ESP32-C6 · SSD1322 256×64 OLED · 9–14.8V DC · 100mA · 10 Hz update rate · 4″ × 2″ × 4″

Bonus: Built-In WiFi for remote use — web interface mirrors the OLED with a retro green-on-black aesthetic, updated via WebSocket. Includes Power, Operate/Standby, Fan Speed, and Band controls plus OTA firmware updates. Access via kpa500.local — no app required. OLED operates independently of WiFi at all times.

Includes: Assembled & tested unit, DC power cable, RS-232 cable, quick start guide.

--$229 plus $10 shipping; Listing #1768320 - Submitted on 05/17/26 by Callsign KV5J, Modified on 05/22/26, Web Site: http://www.kv5j.com - IP: mobile-107-77-197-22.mobile.att.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
SPE 1.5K V2 HF Amplifier: PRICE RESUCED: SPE 1.5K V2 Amp in excellent condition. Works perfectly and has full legal output. Final recently replaced and fully calibrated by Power Electronics in Florida. Cosmetically perfect - no scratches or dents. Wired for 220V but plug can be changed to 110v (with reduced output power). Complete with SPE carrying case and shipped in original packaging. $3600 includes shipping and insurance to continental US. Accept Venmo, Zelle or PayPal (buyer pays 3% fee for PayPal); Listing #1768088 - Submitted on 05/15/26 by Callsign K2KXK, Modified on 05/22/26 - IP: syn-075-190-074-087.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend