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Extended Display for Elecraft's KPA500: Extended 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:

1. Power amplifier's heat sink temperature
2. Power amplifier's high voltage supply voltage
3. Power amplifier's current
4. Power amplifier's output power
5. SWR that the KPA500 sees at its output
6. Operate or Standby mode
7. Band amp is tuned to

All cables supplied. Easy setup.

Newest Hardware and Software. $189 plus $10 shipping.; Listing #1754428 - Submitted on 01/02/26 by Callsign KV5J, Modified on 01/06/26, Web Site: http://www.kv5j.com - IP: customer.mmmiflx1.isp.starlink.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
SB-200 6 METER CONVERSION AMPLIFIER: 1
AD WILL DELETE WHEN SOLD
EMAIL ONLY VIA QTH
350-500 watt output depending on input
PICK UP ONLY IN TAMPA - UNLESS SOLD, PICK UP DURING TARCfest next Saturday
I would consider driving up to 1/2 way, up to 25 miles, to meet
$375 OBO
Cosmetics are ok but far from perfect
Needs risers I will include a new set of 4 risers & feet; Listing #1754826 - Submitted on 01/05/26 by Callsign K4WSB, Modified on 01/06/26 - IP: 47-199-239-188.fdr01.tmtr.fl.ip.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FS: RM Italy KL-203 QRP Amplifier: See Picture: More available.
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RM ITALY (SOLID STATE AMPLIFIER)
MODEL: KL-203
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PART OF AN SK ESTATE I'M HELPING TO LIQUIDATE.
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In Excellent Condition both Physically & Electrically!
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General Spec's:
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1-6 Watt Input
80-100 Watts Output.
Modes: AM/FM/CW/SSB
Has SSB/CW Delay Switch & Power On-LED on front panel.
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HAS ANDERSON POWER POLE CONNECTOR INSTALLED ON THE DC POWER CABLE!
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BENCH TESTED, WORKING LIKE NEW!
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Unit looks hardly used, but then all the SK's equipment is from a
"SMOKE & PET FREE" Shack!
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This amp like most will work from 10-80 Meters.
Previous SK owner used it with various Xiegu & other QRP XCVRS during his POTA & Portable Operations.
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I will include a Small 50-Ohm RF Patch Cable with PL-259 Connectors!
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Ideal for POTA/QRP Op's to provide that extra Boost if and when necessary.
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These are "Out of Stock" at most dealers currently...
So grab this one before it dissapears! :)
$110.00 Shipped
Paypal, Zelle, USPS M/O
Tnx, Chris-WD8EEQ; Listing #1754751 - Submitted on 01/04/26 by Callsign WD8EEQ, Modified on 01/06/26 - IP: c-73-161-60-200.hsd1.mi.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
For Sale Acom 2100 Amp.: SALE PENDING
Acom 2100 legal limit amp. This amp is in like new condition. It has the upgraded transformer from Acom and additional fan for continuous use. The amp will be shipped in 2 original factory boxes, one for the amp and one for the transformer. Be aware the transformer has to be installed. The original manual has detailed information with picture on how to install transformer. Will operate on 120v or 240v. Reason for selling is that I am
setting up a remote station and need an amp that can be remoted. Here is a link to Acom website https://www.acom-bg.com/products/amplifiers/acom-2100-hf-6-m-linear-amplifier .New price is $5600 from DX Engineering.
Will ship to lower 48 for $4200.00 Insured and signature required. No returns.
Will Accept PayPal or check, will ship after it clears the bank.
Any question or additional photos, email me on the address on my QRZ page with phone number and I will call you. I can also set up a schedule to hear it over the air.; Listing #1754777 - Submitted on 01/04/26 by Callsign W7CMA, Modified on 01/05/26 - IP: 143.sub-97-228-63.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Heathkit SB-1000 Amplifier: For sale: Heathkit SB-1000 amplifier - reconditioned. Complete with table showing performance per band. Wired for 120 Vac. $990 shipped.; Listing #1754836 - Submitted on 01/05/26 by Callsign KF6I, Web Site: http://www.islandamplifier.com - IP: 123.sub-97-170-129.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Heathkit SB-1000 Amplifier: For sale: Heathkit SB-1000 amplifier - reconditioned. Complete with table showing performance per band. Wired for 120 Vac. $990 shipped.; Listing #1754834 - Submitted on 01/05/26 by Callsign KF6I, Web Site: http://www.islandamplifier.com - IP: 123.sub-97-170-129.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Expet 2K-FA For Sale: SPE Expert 2K-FA amplifier for sale, series 2, full output, full function, one owner, gently used and perfect condition cosmetically. Local pickup would be best but i can ship to CONUS addresses in original box. Weight is approximately 75 lbs. Price is $5750.00. Sorry no PayPal, only check or Zelle.; Listing #1754828 - Submitted on 01/05/26 by Callsign K4ZO - IP: 107-141-230-70.lightspeed.chrlnc.sbcglobal.net; Click to Contact -- Send this Ad to a Friend
For Sale: Heathkit SB-200 Front Panel: This is a green replacement panel for a Heathkit SB-200 amp. It is not original heathkit, but it is a new reproduction that looks as good as the original. It is a plastic or vinyl material. Bought for a restoration that didn’t happen. $15 plus shipping. Local pickup available in 38478.; Listing #1754823 - Submitted on 01/05/26 by Callsign WD4RBJ - IP: 74.115.244.135; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
3 D&A RAIDER AMPLIFIERS: 3 D&A RAIDER AMPLIFIERS, all three work, some tubes weak, $140 each shipped or $400 all three shipped conus zelle only; Listing #1752003 - Submitted on 12/07/25 by Callsign KC4MCQ, Modified on 01/04/26, Web Site: https://www.qrz.com/db/KC4MCQ - IP: syn-142-197-197-138.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
ACOM 1200S HF+6m Amplifier: For sale: ACOM 1200S. Reconditioned. Fully tested on all bands. Provided with performance documentation. $3,000 OBO shipped.; Listing #1754765 - Submitted on 01/04/26 by Callsign KF6I, Web Site: http://www.islandamplifier.com - IP: 123.sub-97-170-129.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend