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14 volt 4 Amp Clean DC Power Supply / Elecraft KX3 Heatsink
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HF Amplifiers

Displaying ads 71 to 80 of 225 ads in this category.
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 Tl922 by me Amprepairguy   
New Harbach filter cap board with Kemet screw in type caps, New Harbach t/r bias relay board, grids grounded , meter protection diode , series glitch for plate supply, new max gain systems Teflon so-239’s, new electrolytic cap for 120 vdc relay supply , low inductance stability mods , rotary contacts cleaned , 10 meter mod already installed by another
3k no tubes 3500 with a new set of white base penta tubes drop shipped to buyer from penta
Buyer pays packing and shipping on amp
Bank teller check or money orders. If close enough can pick up and pay cash but must pay ct sales tax. Video on YouTube plus will supply video of working on one band of choice
I have two avaliable
Amprepairguy / Harbach electronics


Listing #1766050 - Submitted on 04/25/26 by Callsign KB1SEL - IP: c-75-68-69-15.hsd1.ct.comcast.net
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 Al1200/al1500/al82 band switch new   
Incredibly rare new never used al1500,al1200,al82 band switch
650 shipped
Bank teller check / us postal money order
Last one
Amprepairguy / Harbach electronics


Listing #1766048 - Submitted on 04/25/26 by Callsign KB1SEL - IP: c-75-68-69-15.hsd1.ct.comcast.net
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 WTB Kenwood TL-922a
Looking for a Kenwood TL-922a in New England area. Would be in person sale. Must perform a working demonstration and don't want an amp with scuffs/blemishes. Would have to allow a thorough internal inspection. I don't want to have an amp shipped to me. I live in MA - willing to drive to ME,NH,VT,NJ,CT or PA for the right deal.

Listing #1765936 - Submitted on 04/24/26 by Callsign KC1TQN - IP: 199.180.213.74
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 WTB: DUD 4-400, 3-500 OR SIMILAR TUBES   
WANTED FOR PROJECT;
BURNED OUT, OPEN FILAMENT OR GASSY 5 PIN POWER TUBES LIKE THE 4-400, 3-500, 5867 OR SIMILAR TUBES. 304TL/H 4 PIN TUBES ALSO NEEDED.
Can do a check, USPS MO or PayPal.
If you are going to TARC this Saturday, bring some DUDS!!! Thank you.
Prefer local sale since shipping is so high, but ship is OK.
Check out my items and very good Feedback, too!
email to jtg4300 at yahoo.com
73, WA1BRI
J. Griffin


Listing #1765492 - Submitted on 04/19/26 by Callsign WA1BRI, Modified on 04/24/26 - IP: 47-199-186-130.fdr01.stgr.fl.ip.frontiernet.net
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 FOR SALE: OM-2000A+ W/ Spare Tube  
OM Power OM-2000A+ HF Plus 6 Meter 1,500W+ Auto Tune Linear Amplifier. This AMP is used on my Back Up Station and it is time to downsize. AMP works fine and will include Manual and Spare Tube. Spare Tube is Used but with plenty of life on it. Most Hours are in Standby Mode and NOT Operational. Serial Number 17016. Software Version: 5.37, Tube Serial Number: 2201025. Wired for 240 VAC with Plug. Will NOT Ship but will meet any and all buyers in the Florida, Georgia and Alabama Areas. Price $4000 Firm

Listing #1762889 - Submitted on 03/23/26 by Callsign N4RWG, Modified on 04/23/26, Web Site: https://www.qrz.com/db/N4RWG - IP: 72.15.135.59
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 FOR SALE: SB-220/221 Multimeter  
Monitors Plate Voltage, Grid Current, and Relative Power. This meter could possibly fit other Heathkit models. It's in pretty good condition with some light scuffing on the lens. It comes with the original box as packed in the container from Heath. Asking price is $55 shipped. For more information, please reply via email or phone calls only, no texting.. Thanks, Nick Gans KM5FL

Listing #1762194 - Submitted on 03/16/26 by Callsign KM5FL, Modified on 04/23/26 - IP: h23.37.141.67.dynamic.ip.windstream.net
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 WTB: 50uH RF Choke for Heathkit SB-200
Hello all! I am in need of the 50uH RF Plate Choke for my Heathkit SB-200. Part #45-61. Thanks in advance, de KF4IZE.

Listing #1765803 - Submitted on 04/22/26 by Callsign KF4IZE - IP: 149.154.44.40
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 Heathkit SB-220 FS  
SB220 amp barnfind--wired 120vac--chassis was separate with bottom plate overall looks good front very good..wiring fine top & bottom was dirty and some corrosion at spots,,
tested using dim bulb tester and looked fine,switched to bypass and tube fil's lit.
fan runs no other testing done shud be an easy restore,as is, pick up only 18336 resonaBLE offer comes with spare 3-500z eimac
toggle switch on front is unknown
more pix to email tnx jim kw3u


Listing #1765677 - Submitted on 04/21/26 by Callsign KW3U, Modified on 04/22/26 - IP: 26.sub-75-246-87.myvzw.com
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 For Sale: Mercury Lux Solid State Amp  
Works flawlessly, no issues. From Non-Smoking home, and not used all that much. Original box, and packing. 4,100.00 shipped, or 4,000.00 if you pick up in Shelbyville KY.

Listing #1765702 - Submitted on 04/21/26 by Callsign NZ4Z - IP: 172.59.85.122
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 Acom 2100  
Acom 2100 as new 15 months old recently gone over by bill grassa. All factory boxes selling to fund something new asking 3700 I will not ship but can meet within a reasonable distance no pay pal

Listing #1765663 - Submitted on 04/21/26 by Callsign NC4JS - IP: syn-047-038-104-193.res.spectrum.com
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