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SPE Expert Fully Automatic Amplifiers In Stock at MTC Main Trading Company
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HF Amplifiers

Displaying ads 51 to 60 of 298 ads in this category.
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 Ameritron AL-80B  
Estate sale AL-80B that has been tested and works fine. Tube has full output. Two issues - left hand meter backlight is out and the RF output meter does not move. The HV meter is working however. Would imagine not to hard to repair. Cabinet in good shape and front panel excellent. Non-smoker owned. Priced at $875 for the above issues. Pickup in Las Vegas or Mesquite NV. Prefer not to ship.

Listing #1740948 - Submitted on 08/25/25 by Callsign KB9SI, Modified on 09/09/25 - IP: 251.sub-75-223-76.myvzw.com
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 Sale: Ameritron AL811H 2023 model10m mod  
$1100 will consider reasonable offers. I'm looking to get a heavier duty amp to be able to run more power, so this one has to go. I bought it new from gigaparts in 2023, works great. Has 10m mod and wired for 120v. Will do 800w on all bands except 10/12 m (700 there) I tried to keep the tubes in good shape most of the time only ran 50w into it. Also always had an extra fan attached on the side for better cooling. Has original manual. Shipping can be arraigned, but it's not going to be cheap. Local pickup pickup available on the Seattle east side. Have photos & videos available. Qrz info is good. Cash, zelle, check after it clears.

Listing #1742562 - Submitted on 09/08/25 by Callsign W7MTH - IP: c-73-169-209-106.hsd1.wa.comcast.net
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 Kenwood TL-922A 160 - 10m Amplifier  
160 -10 meters. Clean cabinet and faceplate, the interior is exceptionally clean. Comes with two (2) new 3-500 tubes (Penta). This is an instant “on” amplifier that easily puts out legal llimit on each band into a 50 ohm load. It will tune 17 and 12 meters with reduced output . The amp is heavy so meet and greet is highly recommended. I am willing to travel in Michigan/ northern Ohio / northern Indiana to meet a buyer. Currently wired for 220 vac but easily changed to 110 vac is desired. Asking $1,599. Comes with copy of manual.. Paypal, Cashier’s Check or personal check – all ok. I do not take Venmo or Zelle. Sale is final, no returns.

Listing #1742560 - Submitted on 09/08/25 by Callsign W8QW - IP: dyn-149.19.222.129.hrvl.mi.homeworksinternet.net
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 FOR SALE: Harbach SB220/221Cap Block   
New never installed Harbach FB220 capacitor block for the Heathkit SB 220/221 amplifiers. Has the high quality computer grade capacitors. $150.00 plus shipping USA only.

Listing #1740992 - Submitted on 08/26/25 by Callsign N8SST, Modified on 09/08/25 - IP: syn-184-057-225-143.res.spectrum.com
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 WTB: 811A tube caps or metal clamps
I am looking for the Plate caps or a metal clamps for 811A tubes.
I need few pcs.
Thanks.


Listing #1742543 - Submitted on 09/08/25 by Callsign K6HM - IP: 75-37-192-218.lightspeed.lsatca.sbcglobal.net
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 Ameritron ALS 1306 Solid State  
For sale Ameritron ALS 1306 No Tune Solid State amplifier 1200 watt everything works as it should. Covers 6 to 160 meters. Wired for 220-volt operation can be changed 120-volt operation. In very good condition selling due to health problems. Asking $2100.00 or best offer. Would prefer local sale I'm willing to help with delivery within 100 miles of zip 18202 in PA. Shipping is on the purchaser. I accept PayPal, Cash, USPS Money Orders only no international shipping. Sold as is no warrantee or returns.

Listing #1742350 - Submitted on 09/07/25 by Callsign KD2SC, Modified on 09/08/25 - IP: d-146-168-41-0.pae.cpe.atlanticbb.net
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 FOR SALE: Collins 30S-1 amplifier  
Price: $500. Local Pickup Only.
Sold AS-IS since this is old vintage electronics. Was working 25 years ago when last powered up but probably not working now.
LOCAL PICKUP ONLY. San Francisco Bay Area


Listing #1742494 - Submitted on 09/08/25 by Callsign W6LD - IP: c-24-4-196-101.hsd1.ca.comcast.net
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 Ameritron al 811H  
For sale ameritron 811H almost new maybe 10 hrs on it have box and styrofoam cage but will not ship due to cost works as it should full output. 700.00 will meet with in reasonable distance.

Listing #1742473 - Submitted on 09/08/25 by Callsign WV8MM - IP: 216.30.147.185
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 QRO HF-2500  
I am selling a QRO HF2500 Amp from the estate of K8NA. This amp is in excellent condition and I am providing a link to all photo's and a video of the testing by myself and a local buddy with a lab that puts mine to shame. It also comes with a spare tube which was tested in the video. It had two spares, but one was KAPUT. THere are more photos on QRZ. Copy/paste link into browser to see the video.
Price is $2000 shipped to CONUS only and method of payment is cash or Paypal (Not Friends and Family). We prefer pickup as the unit is very heavy. Pickup price is lower obviously. Oh, I forgot to mention it comes with a manual and the original box and packing. Will deliver up to 150 miles from my QTH if needed.
I can be reached at Two For Ate Nine Zero Nine Eight Four Nine Six either text or phone.
Due to parts swappers, etc there is no returns. The video speaks for itself. Link below
https://1drv.ms/v/c/14c284405930f445/EczmDgCXzxtLmHjb1tK9AQUBZza6qULgFXRtJ_I-0l8jpg?e=qlTS5e


Listing #1736307 - Submitted on 07/16/25 by Callsign K8SIX, Modified on 09/07/25 - IP: c-68-49-145-125.hsd1.mi.comcast.net
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 Heath SB-220 2kw HF Amplifier  
This SB-220 is an outstanding amplifier. Tubes are not new but easily run a cool Kilowatt into a 50 ohm dummy load. Harbach power supply/ metering board and soft key conversions have been done. This amp has seen limited use over the past 12 months but is routinely used each month. Faceplate is original and clean. Cabinet has no dents, dings or flaky paint. No dust inside and no arcing on the variables. Always in a non smoking environment. Asking $1050 plus cost of shipping to lower 48. Payment by Paypal (buyer pays 3.5% service fee), Cashier's Check or Cash. No Venmo or Zelle. Willing to travel up to 2 hours in central Michigan to meet and exchange. Due to scammers and part swappers sale is final, no returns.

Listing #1742439 - Submitted on 09/07/25 by Callsign W8QW - IP: dyn-149.19.222.129.hrvl.mi.homeworksinternet.net
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