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HF Amplifiers

Displaying ads 1 to 10 of 212 ads in this category.
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 FS: RM Italy KL203-P SS. Amplifier  
See Picture: More available.
Lower Price!
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AS NEW, RM ITALY SOLID STATE AMPLIFIER.
MODEL: KL203-P With Receive Preamp!
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In AS NEW Condition, part of an SK Estate.
Looks & works like New, was hardly used.
FULLY BENCH TESTED!
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These are out of stock at many dealers.
Includes Long length of DC Power Cable.
***BONUS*** Also includes a Short RF Patch Cable with PL-259's!
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SK Used it with several Xiegu QRP Radios for the extra Boost!
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$140.00 Shipped
Paypal, Zelle, USPS M/O
Tnx, Chris-WD8EEQ


Listing #1758745 - Submitted on 02/12/26 by Callsign WD8EEQ, Modified on 02/12/26 - IP: c-73-161-60-200.hsd1.mi.comcast.net
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 RF Parts 3-500z Matched Pair (Used)  
Ran at 800w sparingly. Puts out 1300 watts pep on 75m, which is the spec for Ten Tec Centurion which is power supply limited. Puts out 800 on 10m. New tubes might reach 1kw on 10 in this amp. Was going to keep for spares but at my age probably won't need them. Offered for less than half price of new Penta 3-500z matched pair. $310 shipped double boxed with factory foam boxes. Request PayPal. No returns.

Listing #1758793 - Submitted on 02/12/26 by Callsign K4TJ - IP: c-69-139-117-94.hsd1.tn.comcast.net
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 FOR SALE Ameritron AL-80B HF Amplifier  
Ameritron AL-80B HF Amplifier EXC COND For Sale. I'm the first owner and have had it about 2 years, never used over 500W output.
Includes original boxes and manual. PDF Manual and specs are here . I will ship at buyer's expense, but if you're local can meet up somewhere in the Nashua-Keene (NH) area.
The tube (3-500Z) has been seasoned well and never abused. I'd guess 250-300 hours total on this one. They have a service life of 1000-3000 hours.
You will need a properly sized tuner (based on your power level) between this amp and the antenna. This would be a good intro for someone interested in exploring HF higher power. I'm moving into solid state for all my PA's.
$1000 firm + shipping. Will ship in the original two (2) boxes. If you need pictures of this unit let me know and I will email some (picture shown is a stock image).


Listing #1758768 - Submitted on 02/12/26 by Callsign WQ2H - IP: 72-87-57-22.mnchnh.fidium.ccidns.net
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 Want Swan MKII Parts
Want tank circuit parts
Tank coils
Tnx!


Listing #1758748 - Submitted on 02/12/26 by Callsign KL7AM, Web Site: https://kl7am.com/ - IP: 229-75-30-185.mtaonline.net
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 Ameritron Solid State ALS 606S AMPLIFIE  
Ameritron Solid State ALS 606S AMPLIFIER with SWITCHING Power Supply $2000 firm
Paid $2599.95 new from DX Engineering, one of the last built by Ameritron.
Wiring is set up for 120
All sales are final, nonsmoking environment, Very-very low hours,
No returns due to parts swappers.
Always remained indoors in a clean, climate-controlled environment.
I doubt you will ever find another ALS 606 in this excellent condition again.
Can pick up in North East Tennessee. I will ship for the purchase price. Except PayPal family & friends, credit card or check. Will not ship until check clears.
My call of AC4VO is not good on QRZ, find on FCC web site.


Listing #1758747 - Submitted on 02/12/26 by Callsign AC4VO - IP: cust-erwinutilities-92-113.mounet.com.92.145.216.in-addr.arpa
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 Swan Mark II at Orlando Saturday  
Selling my Swan MarkII (NO TUBES)
This was my Wisconsin amp. I replaced it with a LK-500.
Power supply has original caps, wired for 220 vac. Manual included. I will be at Orlando on Saturday. Reply and I can give you my cell # to hook up at the fest. No site just in my truck. Again NO TUBES Jim W9OS
Great deal if you have a couple 3-500 tubes. My email is in QRZ
I have more pics . Will trade for HF radio. Asking $400


Listing #1758739 - Submitted on 02/12/26 by Callsign W9OS - IP: c-73-28-218-249.hsd1.fl.comcast.net
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 FS Drake L4B w/ L4PS  
Available at Orlando Hamcation 2/13-2/14 NO shipping or delivery at this time. CASH and CARRY
Drake L4B with PS with manual in very good condition. Collectible? That would be up to you to determine. I bought it to use not to collect. 1200 watts +- output 80-10 meters. Recently serviced and tested. New vernier drive on plate tuning control. I've had this for quite a while but not really sure how long. Used it with a variety of radios the last one being an IC 7600. Power supply has been rebuilt with new caps and Harbach soft start. Nice quiet desktop kilowatt. 220VAC wired with plug. $1000 OBO Photos available for serious buyer.


Listing #1758497 - Submitted on 02/09/26 by Callsign NN4TT, Modified on 02/12/26 - IP: 46-110-206-137.appkflaa.metronetinc.net
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 FS: Ameritron AL1500  
Available at Orlando Hamcation 2/13-2/14 NO shipping or delivery CASH and CARRY.
Ameritron AL1500 with manual in very good to excellent condition. Full output from Eimac 8877 on 160-10 meters. I am the second owner. I've had it for 6 years. Meter lamps have been replaced with white LEDs. Peter Dahl transformer. 220VAC with plug. Priced fairly at $2000 OBO. I do have a spare tube available, MKS 3CPX1500A7 tested in the amplifier, virtually same performance as the Eimac. I will sell both of these as a package for $2400 OBO. Tube available for $500 only if amp sells separately. Lots of photos available for serious buyer.


Listing #1758487 - Submitted on 02/09/26 by Callsign NN4TT, Modified on 02/12/26 - IP: 46-110-206-137.appkflaa.metronetinc.net
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 HEATHKIT SB1000 PENDING
GOOD WORKING SB-1000. WORKS AS IT SHOULD. LOCAL PICK UP ONLY IN MONTGOMERY AREA. TOO HEAVY AND TOO RISKY TO RISK DAMAGE IN TRAVEL.
ASKING $750.00 BUT WILL CONSIDER AN ICOM IC-7100 OR IC-7600.
IM GOOD ON QRZ.
THANKS FOR READING


Listing #1758622 - Submitted on 02/10/26 by Callsign WB4QBD, Modified on 02/12/26 - IP: 172.56.227.124
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 DRAKE L-4B HF AMPLIFIER  
EXCELLENT CONDITION, RECAPPED, EXTRA COOLING FAN DRAKE L-4B AMPLIFIER WITH MANUAL AND BOXES. ONE OWNER SILENT KEY BEING SOLD BY W4OT VERO BEACH AMATEUR RADIO CLUB. WE WILL BE OUTSIDE IN THE FLEA MARKET FRIDAY & SATURDAY AT ORLANDO HAMCATION. WITH MANUAL $950
MN-2000 AND C-4 CONSOLE ALSO AVAILABLE


Listing #1758720 - Submitted on 02/11/26 by Callsign KK4GGJ - IP: c-67-191-53-208.hsd1.fl.comcast.net
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