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HF Amplifiers

Displaying ads 1 to 10 of 268 ads in this category.
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 RM ITALY MLA100V HF QRP Amplifier  
RM ITALY MLA100V HF QRP Radio Amplifier
1.8-54 MHz, HF & 6m, 100W Output on HF Bands, 80W Output on 6m, w/Fan
Comes with factory box, power cord, and manual
Price is $600.00 shipped CONUS only
If not sold by September 7th, item will be available for purchase or pickup at South Jersey W2MMD Hamfest.
No returns due to parts swappers.
My information is correct on QRZ.
Email me direct for quicker response.
N2BRJ


Listing #1740533 - Submitted on 08/21/25 by Callsign N2BRJ - IP: c-73-80-248-178.hsd1.nj.comcast.net
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 Ameritron AL-811 Amplifier $700.  
Purchased new about 5 years ago. It has seen very little use and is always kept covered when not in use. Works great with 65 watts in to get 500-525 out. This is LOCAL PICKUP ONLY ---CASH ONLY $700. This must be picked up at my home. Located in Lakehills/Pipe Creek/Lake Medina area about 30 minutes NW of San Antonio.

Listing #1740518 - Submitted on 08/21/25 by Callsign W5PRQ - IP: fttp-38-97-24-103.becfiber.com
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 FOR SALE: QRO HF-2500-DX Amp, two tube  
Relisting: This is a two tube HF2500DX QRO Amplifier. Not the Mark III. Loads of power from just minimum power in. Works great, not heavily used. This was my backup amp to my ACOM. Located in the Buffalo, NY area. Will deliver inside 150 miles or pick-up if you like. Wired for 240AC.
With manual. More pics available if you need them. Shipping this thing will require Two boxes. One transformer will be shipped separate. The ceramic tubes will be held in place by foam. You will need to unpack that. $2500.00 shipped


Listing #1740501 - Submitted on 08/21/25 by Callsign W2TB - IP: pool-96-243-19-94.bflony.fios.verizon.net
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 MINT RMITALY BLA600 160-6 AMPLIFIER  
THIS AMPLIFIER IS ABOUT THE CLEANEST AMP I'VE EVER SEEN. I PICKED IT UP FROM AN ESTATE WHERE THE ELDERLY GENTLEMAN USED IT SPAIRINGLY ** THIS IS AN AUTO TUNE AMPLIFIER ** PIN DIODE SWITCHED, INSTANT BAND CHANGES, FULLY QSK OPERATION, 160-6 METERS, LOW DRIVE REQUIREMENTS..IE..20 W FOR 500 WATTS OUTPUT, LINEAR POWER SUPPLY AND 8 PROTECTIVE CIRCUITS..IE VSWR, TEMP (TRANSISTORS,HEAT SINK AND POWER SUPPLY PLUS OTHERS CONTINUOUSLY MONITORED. SOLD BY DX ENGINEERING FOR $2799.99. ASKING $1900.00---PREFER LOCAL PICK-UP (MI,OH IL OR IN) AMP IS VERY HEAVY DUE TO IT CONTAINING LOTS OF SOLID COPPER HEAT SINKS. (READ THE REVIEWS ON THE DXE WEBSITE). 5 PHOTO'S AVAILABLE.
PAYMENT BY ZELLE OR POSTAL MONEY ORDERS.
THANKS FOR READING
VY73'
STEVE W8CRH


Listing #1740426 - Submitted on 08/21/25 by Callsign W8CRH, Modified on 08/21/25 - IP: customer.chcoilx1.pop.starlinkisp.net
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 FS: ETO Alpha 78 HF amp  
ESTATE SALE; Enii, mini, mini, mo, catch a Db by its toe. This golden oldie typically delivers 12-13 of them over 100w. This Alpha 78 is one of those key down at full power forver amps that has several automatic tuned circuits, 160-10M x12m Back from Dick Byrd's repair shop Oct, '24. Will not ship. $1200 Drive as bit, save a lot.

Listing #1738741 - Submitted on 08/06/25 by Callsign KA1PM, Modified on 08/21/25 - IP: 216.24.32.198
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 Mla 2500 going to rock city.hamfest
Have for sale a dentron mla2500
Tested on 80 40 and 20 meters
1100 watts out with 65 to 70 watts drive
Wired for 220v can br made for 120v
Asking 700 plus shipping
Free pickup this weekend at Rock city hamfest
Text me if interested


Listing #1740381 - Submitted on 08/20/25 by Callsign K2DGR, Modified on 08/21/25 - IP: 163.sub-174-231-50.myvzw.com
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 HEATHKIT SB1000 3-500Z 160M thru 10M HF   
For Sale: HEATHKIT SB1000 SINGLE 3-500Z 160M through 10M Amplifer.
Kit version of the AL80A.
$775
In good condition.
875 watts output with 50 watts drive on 40M into 50 ohm load measured with my Bird wattmeter.
Wired for 120v but can be rewired for 240v.
Very heavy, I will not ship.
Pick up and see it working or I will drive 2 hours to meet up.
TNX, Mike W3TS
Halifax, Pa.17032
30 miles north of Harrisburg.


Listing #1740459 - Submitted on 08/21/25 by Callsign W3TS - IP: pool-108-55-65-173.hrbgpa.east.verizon.net
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 AMERITRON AL80b  
For sale, nice Ameritron AL80B amplifier. This must be picked up at this QTH. We can demonstrate operation on all bands. I usually run at about 600 watts output.
Price $1025.00
Thank you


Listing #1740130 - Submitted on 08/18/25 by Callsign AB3C, Modified on 08/21/25 - IP: syn-024-074-147-165.res.spectrum.com
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 FOR SALE: SPE-Expert 2K-FA Amplifier
I have an Expert 2K-FA amplifier for sale. It has an output of over 1.5kW with not much drive power. It has always given me good service.
The amplifier has a built-in power supply and automatic antenna tuner. It has automatic antenna switching with six antenna connections. It has two exciter inputs, and accommodations for an additional SO2R antenna. Output levels are switchable between Low (500W), Med (1kW), and High (1.5kW+). The amplifier can be automatically controlled to turn on when you turn your radio on. The amplifier weighs 65 lbs.
The current model of this amplifier costs $7,695 through Main Trading Co. I am asking $4,100.
I accept PayPal, checks, cash, etc.


Listing #1738725 - Submitted on 08/06/25 by Callsign N6WS, Modified on 08/21/25 - IP: 172.56.121.196
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 ALPHA 374A "NO TUNE" AMPLIFIER   

NO CALL SIGN ? NO RESPONSE
EMAIL ONLY THROUGH QTH.COM
160-10
Works as it should
Manual or Broad band tuning
Typical Alpha build quality
Excellent cosmetics
Currently wired for 120 - easy switch to 220
LOCAL PICK UP IN TAMPA ONLY
I'm willing to meet up to 50 miles or 1/2 way which ever is the shortest distance
XMFR has been removed for easier handling
Asking $1300


Listing #1740056 - Submitted on 08/17/25 by Callsign K4WSB, Modified on 08/21/25 - IP: 47-199-233-65.fdr01.tmtr.fl.ip.frontiernet.net
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