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HF Amplifiers

Displaying ads 151 to 160 of 257 ads in this category.
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 FS Acom 2000A  
Selling my Acom 2000A with spare set of 4CX800 tubes.
I purchased it new from Array Solutions. It is in excellent condition, I have not used it very much, it IS the quietest amp I have ever used in over 60 years of hamming. I added the muffin fan too and it did not add any noise. It puts out full power plus. Local sale and pickup only. Located in the Minneapolis St.Paul metro area.
Price $4,500. That's four thousand five hundred USA. Email me with questions and tnx for looking.


Listing #1732773 - Submitted on 06/13/25 by Callsign K9VUJ, Modified on 06/14/25 - IP: c-73-228-198-93.hsd1.mn.comcast.net
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 HENRY 8K PLATE TRANSFORMER  
Henry 8K plate transformer. part # Magnaspec 150400. Its a HV beast at 125 lbs so no shipping unless you pay for shipping and pay $50 to build the small crate to successfully ship this monster. Im well versed in shipping transformers and "heavy iron" but I'd rather not.....hence the $50. Unit is dusty but absolutely functional.
Transformer is 5800V at 2A ratings being conservative.
$1500


Listing #1732785 - Submitted on 06/13/25 by Callsign KI4THX - IP: syn-065-186-012-237.res.spectrum.com
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 FOR SALE- RM ITALY HLA-305 Solid State  
Heres a sweet little amp that will put out 300 watts.. Used it for about a year.. Works Perfect, never had it in a Vehicle - just in the Shack.I'm a non-smoker, clean, take good care of my equipment.
.
I took a "Wattmeter Photo" of it with the KEY down on my 7600 ICOM. I used the MFJ-4245 DC Supply in the shack to power it. NICE.. I bought it NEW from DX Engineering, $789.00 they are much higher today, isn't everything?.
.
Asking $650.00 I'll pay the Shipping, also have the original Box it came with.. You won't be disappointed for certain. I will take a Postal Money or even better yet is a WALMART Money Order. Much less than the Post Office now, and less hassle to cash it!!
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Send me an Offer if you'd like, nothing is written in Stone!
.
73
.
WB0OAF (Old Apple Farmer)
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Andy..Check in to Breakfast Club in the Mornings, 3973 every day!!


Listing #1732711 - Submitted on 06/12/25 by Callsign WB0OAF - IP: 172.58.12.120
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 YAESU FL2500 HF AMPLIFIER
This amp covers all bands from 160 to 10 meters (except WARC bands). At present this amp does not put out full power so I am including 5 new 6KD6 tubes that are included in the price. Asking $495 Located near Grand Rapids, Michigan contact Roger 863-202-5954

Listing #1732671 - Submitted on 06/12/25 by Callsign AH2AV - IP: c-68-55-83-230.hsd1.mi.comcast.net
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 Heathkit SB-220 This is Very Clean  
Up for sale is my SB-220. It has all modifications Harbach other than softkey. I will throw in the Ameritron AL-811 Soft Key with cables and external standby switch. This was serviced by Scott The amprepairguy.com within the last 3 years along with new Penta Labs Tubes. The face has been replaced with a new black one and the knobs are black as well. The amplifier works perfectly and is in excess to my needs, this has sat on my shelf for a little over a year. I've gone to all SDR and Solid state Amplifiers as well. I am in NJ and will ship on your dime. I accept PayPal for payment. You can inbox me here or feel free to email me at ultrahd98 at gmail.com $1500.00 plus shipping.
Enclosed is a receipt from the amprepairguy.com (I paid for the new Penta Labs Tubes and had them shipped to him and he installed them as well)
Note: This is non-returnable due to parts swappers and the complexity of the amplifier.


Listing #1732568 - Submitted on 06/11/25 by Callsign KD2RPD - IP: c-73-80-0-94.hsd1.nj.comcast.net
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 45W HF Amplifier 80-10m  
Works great, full power out, excellent build quality. $149 shipped CONUS. Zelle Venmo.
Good on QRZ.


Listing #1732530 - Submitted on 06/11/25 by Callsign K1FIE - IP: c-50-189-24-238.unallocated.comcastbusiness.net
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 Redone Heathkit SB-220  
Up for sale is my SB-220. It has all modifications Harbach other than softkey. I will throw in the Ameritron AL-811 Soft Key with cables and external standby switch. This was serviced by Scott The amprepairguy.com within the last 2 years along with new Penta Labs Tubes. The face has been replaced with a new black one and the knobs are black as well. The amplifier works perfectly and is in excess to my needs, this has sat on my shelf for a little over a year. I've gone to all SDR and Solid state Amplifiers as well. Make me a fair offer, I am in NJ and will ship on your dime. I figured that I would post it here for a bit before I posted on the for sale forums. I accept PayPal for payment. You can inbox me here or feel free to email me at ultrahd98 at gmail.com $1500.00 plus shipping

Listing #1732452 - Submitted on 06/10/25 by Callsign KD2RPD - IP: c-73-80-0-94.hsd1.nj.comcast.net
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 TOKYO HY-POWER
This is a conservately rated 600 watt solid state amplifier; model he-1.2FX. I purchased it new, have original box and user manual there are no marks, dents etc, photos are available.
Ive enjoyed using it over the years but time to start selling my equipment. Price is $1,700 plus shipping.
KA1LA
Phone 401-480-1989


Listing #1732449 - Submitted on 06/10/25 by Callsign KA1LA - IP: ip68-14-110-74.ri.ri.cox.net
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 WTD Collins 637t antenna
Im looking for a 637t antenna. It can be a parts unit as long as it has the internal gears

Listing #1732397 - Submitted on 06/09/25 by Callsign W7GS - IP: c-68-56-222-190.hsd1.mi.comcast.net
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 FS: Alpha Amp for a Repair Guy
I have an Alpha 76A with three full output EIMAC 8874s in it. I believe there is a problem with the filament voltage getting to the tubes. Other than that, there are no known problems. It has been out of service for a while but when in use I usually ran 1200 watts out on 80 and 160. I didn't push it any further. If you're up for a project, this may be an easy fix. I just don't have the time or place to work on this nor the desire anymore to do so. I'm open to reasonable offers for this amp. It would be pickup or meet within about 90 miles of my QTH near Fredericksburg, VA. If you know what 8874s go for, then you have a good idea of a reasonable price for this amp. Please contact me only via email here on QTH,com. Tnx es 73, Dave N8AG

Listing #1732396 - Submitted on 06/09/25 by Callsign N8AG - IP: 73.40.43.149
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