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HF Amplifiers

Displaying ads 111 to 120 of 230 ads in this category.
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 WTB: Heathkit SB230 parts
I have a good stock SB230 amp and a good 8873 tube but lack
The plate clamp, the base clamp and the pressure bar
Assembly for the tube. Anyone have any leftover parts from their
Russian tube conversion or a parts SB230?
Thanks 73 Dave


Listing #1750531 - Submitted on 11/23/25 by Callsign W7NO - IP: 72.172.78.158
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 FOR SALE: Marconi HF 5552A amplifier  
Homebrewers: Get a great jump on your HF amplifier with the parts from this Marconi amplifiers. The pictures show what is included to get you well on your way. Thanks for looking - call with questions. Cost: $175.00 - not including shipping.

Listing #1750526 - Submitted on 11/23/25 by Callsign K3GL - IP: c-69-246-138-135.hsd1.fl.comcast.net
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 Ameritron AL-811  
I am selling my Ameritron AL-811 amp. AS IS. NO TRADES WILL NEED REPAIRED
It works but it is taking 100w to drive it to 500w also the meters lights do not Work. The XMIT Light does work I replaced 811-A tubes 12/2024
also includes is an ARB-704 switching box
I unhooked 11-19-2024 and put in closet off the desk
I want to get a Solid State I just haven't decide what brand
I am asking $400 buyer pays shipping


Listing #1750418 - Submitted on 11/23/25 by Callsign N9WVM, Modified on 11/23/25 - IP: 46.110.40.171
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 FOR SALE: Marconi HF 5552A amplifier  
Homebrewers: Get a great jump on your HF amplifier with the parts from this Marconi amplifiers. The pictures show what is included to get you well on your way. Thanks for looking - call with questions. Cost: $175.00 - not including shipping.

Listing #1750487 - Submitted on 11/23/25 by Callsign K3GL - IP: c-69-246-138-135.hsd1.fl.comcast.net
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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
20 miles north of Harrisburg.


Listing #1740459 - Submitted on 08/21/25 by Callsign W3TS, Modified on 11/23/25 - IP: pool-108-55-65-173.hrbgpa.east.verizon.net
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 For Sale Henry 2KD5  
I have a very clean and 100% working Henry 2KD5 Amplifier has original Eimac Tubes full output. Also have original manual. No Shipping can meet within 100 miles of Lebanon Indiana. $900.00 bank check or cash preferred.


Listing #1750413 - Submitted on 11/23/25 by Callsign NX9Q - IP: 68.50.197.48
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 WTB
want to buy an HF amplifier.
Looking for something that will run 1300 to 1500 watts.
Not looking for a new one so easy on the price.
Thanks
Bill
f


Listing #1750382 - Submitted on 11/22/25 by Callsign K1WDF - IP: c-73-68-196-151.hsd1.ma.comcast.net
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 Kenwood TL922A For Sale  
Good looking & good working Kenwood. Strong tubes. 10 meter mod has been done. Have the manual. Plays very nice and had good reports on signal. $1150.00 Pickup only in Knoxville,Tn.

Listing #1750341 - Submitted on 11/22/25 by Callsign WA4MMI - IP: c-73-113-116-186.hsd1.tn.comcast.net
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 WANTED
Looking for alpha t/r board upgrade.vacuum relays for alpha86.to convert from diodes.

Listing #1750317 - Submitted on 11/22/25 by Callsign NI2US - IP: pool-173-76-77-142.bstnma.fios.verizon.net
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 FS: Elecraft KPA-1500 HF-6m Amplifier
KPA-1500 S/N 199 w/AT
Gently used (typically operated at 500-750w)
Mint condx/non-smoking shack
Asking $5200 plus shipping within CONUS. No personal checks.


Listing #1746063 - Submitted on 10/12/25 by Callsign W7VS, Modified on 11/21/25 - IP: customer.snjecax1.pop.starlinkisp.net
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