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HF Amplifiers

Displaying ads 1 to 10 of 287 ads in this category.
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 WTB 3-500z anode caps   
Looking for some anode cap coolers. Must be in good condition. These are needed for my AL-1200 to AL-82 conversion. Thank you and 73’s

Listing #1684764 - Submitted on 04/28/24 by Callsign W4EKY - IP: 173.80.200.160
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 WTB - Ameritron Amplifier
Looking for Ameritron AL-572 or AL-80B in the local area (Nashville,Huntsville). Other amps considered but must be capable of operating on 160m and about 1K output.


Listing #1684757 - Submitted on 04/28/24 by Callsign N6ELO - IP: 67.sub-174-212-105.myvzw.com
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 Elecraft KPA-1500 Amplifier  
Amazingly, I ended up with two of these, via an auction - selling this one. Very nice shape. Very little use. 160-6m. 1500 watts with included separate power supply. I tested in my shack and all seems to be working fine. Very good cosmetic condition, just some dust here and there. A few minor smudges, as well. Includes hi-voltage cable to connect power supply to amp and the 220v cable. No other cables included - just what is shown. Manual is online. More pictures available. I will consider shipping, but it would be additional cost for buyer and somewhat pricey with two heavy boxes. Price FOB Rockford, MI: $4875.00 By the way, I will be attending Hamvention next month. This could be a delivery/payment opportunity. Jim K8JH

Listing #1684362 - Submitted on 04/24/24 by Callsign K8JH, Modified on 04/28/24 - IP: syn-047-225-168-225.res.spectrum.com
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 eight 330uF/450V HV PS electrolytic caps
eight 330uF/450V high voltage power supply capacitors
brand new
same as used in a TenTec Centurion

radial snap style solder mount
could be used for other amps

equivalent to TDK Epcos part # B43624A5337M000
this is a 30mm diameter and ~52mm tall part
they'd run about $100 with shipping and tax from the parts houses

I am selling for $47 shipped USPS


Listing #1683958 - Submitted on 04/21/24 by Callsign KZ1X, Modified on 04/28/24 - IP: syn-098-027-057-019.res.spectrum.com
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 Linear Amplifier 3 KW Band Switch  
Powerful 9 position CENTRALAB CERAMIC band switch from my ex 2 KW linear amplifier with GS-31b tube. The switch is in very good working condition ,now new, but it can be like new,having the other half sections not used.Pictures from the amplifier before dismantling it available.
I am asking $100 and $12 shipping.Thank you for reading my add.


Listing #1684739 - Submitted on 04/27/24 by Callsign AB2DP - IP: syn-098-014-050-140.res.spectrum.com
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 Drake L7 PS filter and rectifier board .  
Direct replacement ... Single filter and rectifier board for the Drake L7 PS. Will also fit L4B power supply. Replaces the two boards with one single board of higher rating. 3 amp diodes instead of the 1 amp stock diodes. The new diodes no longer require bias resistors.
.
$89 shipped
.
N5WRX 361-563-1303


Listing #1684729 - Submitted on 04/27/24 by Callsign N5WRX - IP: syn-024-162-023-156.res.spectrum.com
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 WANTED: Drake Cabinets.
Need cabinets for the Drake L-4B and L7 amplifiers and their matching power supplies. Thank you. Chuck Pool, AA5WG, aa5wg at yahoo.com, 231-668-1115.

Listing #1684571 - Submitted on 04/26/24 by Callsign AA5WG, Modified on 04/27/24 - IP: syn-174-084-160-034.res.spectrum.com
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 Henry 2KD-5 AMPLIFIER  
HAVE A VERY NICE HENRY AMPLIFIER IT WAS NEVER ON THE AIR ALL THIS YEARS IT WAS IN STORAGE MY UNCLE WHO BOUGHT IT NEW AND NEVER GOT ON THE AIR, I HAD IT COMPLETLY CHECKED OUT AND THE POWER SUPPLY WAS REPLACED JUST INCASE DO TO OLD AGE, I ALSO HAD NEW TUBES 3-500Z INSTALLED JUST IN CASE THE OLD TUBES HAD ISSUES, HAVE ORIGINAL BOX AS WELL, PRICE IS $1,500.00, PREFER NOT TO HAVE IT SHIPPED DO TO IT'S HEAVY WEIGHT.
Thanks for looking.
Jose NK4L


Listing #1684718 - Submitted on 04/27/24 by Callsign NK4L - IP: 70-231-82-180.lightspeed.miamfl.sbcglobal.net
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 Amp Supply LK-500ZA  
I have my excellent condition Amp Supply LK500ZA for sale. Everything works as it should and with 100W input the output varies from 900W (10M) to 1400W (40M). Cosmetically the amplifier is a 9.5/10 and I have the operating instructions with schematic. I can demonstrate the amp at my QTH in Belle Mead NJ or I can meet you at a reasonable distance from central NJ. I will not ship since it is very heavy and would require three boxes. $950


Listing #1684705 - Submitted on 04/27/24 by Callsign W2RD - IP: c-69-248-40-19.hsd1.nj.comcast.net
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 FOR SALE: Elecraft KPA 1500
I have for sale very nice KPA1500 Amplifier in excellent condition. I am original owner, SN 00137. The Amplifier just returne from Elecraft with replacement of LDMOS Power FETs and updates. The Amplifier deck and PS have all of the latest updates and latest firmware. I am asking $5000.00 plus shipping. Thank you.

Listing #1684692 - Submitted on 04/27/24 by Callsign W0SZ - IP: c-73-229-78-20.hsd1.co.comcast.net
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