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HF Amplifiers

Displaying ads 1 to 10 of 228 ads in this category.
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 FS 2KFA SPE EXPERT SOLID STATE HF AMP   
BRAND NEW 2KFA SOLID STATE GEN 2 AMP $$6500. NO TARIFFS, NO TAXES, picked up, cash or contact me for paypal PLUS shipping. A NEW ONE toDAY TO my zipcode with taxes and tariffis is around 8600. now. No warranty, No returns due to parts swappers!!!! local pickup or i can ship on your dime thru pirateship.com which will most likely be thru ups being that heavy But pirate ship is very reasonable PLUS INSURANCE. contact me thru here or km5vk at hotmail.com or tx me to call me at 580 298 7987 to ask questions km5vk 73 sell to lower 48 only!!!!

Listing #1750707 - Submitted on 11/25/25 by Callsign KM5VK - IP: customer.dllstxx1.isp.starlink.com
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 Display Unit for Elecraft's KPA500  

Digital Display Unit for Elecraft's KPA500

A compact, easy to read KPA500 Digital Display Unit (DDU). It allows the monitoring of five crucial readings all at the same time.

The DDU measures only 4X4X2 with an easy to read 2 line display that can be located at the operating position and the KPA500 located up to 100 feet away.

The DDU is designed with the following features:

Easy to read 2 line display
No USB or serial cable to computer
No com port in Windows to manage
No computer needed
Plug and Play
Simply connect the supplied DC power cable to power supply and PC data jumper cable to the KPA500
Retains all functions of the KPA500 front panel
All displayed info obtained directly from the KPA500

All cables supplied. Easy setup.

Newest Hardware and Software. $199 plus $10 shipping.



Listing #1750372 - Submitted on 11/22/25 by Callsign KV5J, Modified on 11/25/25, Web Site: http://www.kv5j.com - IP: mobile-107-77-197-64.mobile.att.net
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 FS: HALLICRAFTERS SX-115, HT-32B, HT-33B  
For Sale: Hallicrafters Classic Station consisting of their legendary SX-115, their HT-32B and their HT-33B Linear amplifier. All maintained in pet free, smoke free, A/C environment. They only need light cleaning, some recapping, & testing. This is a rare opportunity to acquire all three units in prime condition. Sale requires buyer to be FCC licensed and to provide all labor (especially lifting & losing) to remove gear from storage. We have a hydraulic cart that can be used. Documentation should be freely available on line at sites like BAMA EDEBRIS. Price depends on which units one or all, so submit choice & what they are worth to you. The amplifier alone is worth the price of admission. Picture shown is what they look like set up. Limited pictures are available. See them on my QRZ page << https://www.qrz.com/db/W5JV >> Will reply to serious inquiries only. NO SHIPPING; PICK UP ONLY IN CENTRAL LOUISIANA QTH.

Listing #1750689 - Submitted on 11/25/25 by Callsign W5JV, Web Site: https://www.qrz.com/db/W5JV - IP: ip70-172-246-54.br.br.cox.net
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 QRO - 2000 Amp/ No Mods/160to 10/ 100%  
QRO HF-2000 Amp >$ 2100 > CASH SALE ONLY , Not a mark on it has 2 X 3-500ZG Tubes Less than 20 Hours On them > and 2 > Pulls from another Amp that are 80%> Power out > From Non smoker ,Full Legal Limit ++ > Peter Dahl transformer >4100 Volts on the Plate> Have the Manual and Work Sheet and the Boxes > Can Meet up to 60 Miles from Lynchburg VA or U can come to My location to Pick it UP and see it working Wired for 220 Volts

Listing #1749873 - Submitted on 11/18/25 by Callsign K2BUR, Modified on 11/25/25 - IP: 172.59.117.173
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 Vacuum high voltage capacitors  
Hi everybody!
I will sell vacuum capacitors according to the following list and contractual prices close to the prices of the store for each item and even lower ~20$US each. Payment on Pay-Pal ut5rp at te.net.ua With questions about price, payment and forwarding by e-mail or phone/Viber +380 67 699-17-05 Price maybe yours, offer!
25pF x 15kV 3pieces
50pF x 15kV 4piece
100pF x 10kV 1piece
200pF x 15kV 1piece
Thank you for reading the ad and a possible purchase for offered price, it will help me a lot in this very difficult time for all of us here in Ukraine.
73's de Dmitry UT5RP since 1959


Listing #1750671 - Submitted on 11/24/25 by Callsign UT5RP - IP: 188-163-101-184.broadband.kyivstar.net
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 Relays REV-15 75oHm 1500watts to 650mHz   
Hi everybody!
Selling absolutely NEW REV-15 relays factory packed at a price of $30 per one. Number of relays (more than one or four together) weighing up to 1Kilo parcel shipping costs will be ~25$(to U.S.A.) by Nova Poshta, with insurance and tracking number. Relays absolutely new, working voltage is 24-27Volts, supports 1500 Watts of power until 650MHz, minimal life 12 years when working in any device. There are needed number of new relays for sale. When purchasing a quantity (more than 5 pieces), a discount is possible by agreement. Payment on Pay-Pal ut5rp at te.net.ua Discount is possible! All questions buying and payment by E-Mail or tel/Viber +38 067 699-17-05 Thanks for reading ad and for a possible purchase for offered price, it will help me a lot in this very difficult time for me as for pensioner with monthly pension less than 100$US. See my other ads.
73's de Dmitry UT5RP


Listing #1750670 - Submitted on 11/24/25 by Callsign UT5RP - IP: 188-163-101-184.broadband.kyivstar.net
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 FOR SALE: RF2K-S 160-10 LDMOS AMPLIFIER  
$4800 shipped conus. Original owner, current model, comes with power cord. User manual can be downloaded for ISLAND AMPLIFIERS web site. They have all the specs on this nice amp. Reason for selling= have to many amps. Can down load and print the user manual but in black and white. Payment by personal check. If the ad is here it is still for sale. New cost $6130 plus $200 shipping from Island Amplifiers and tax. ONLY REPLY THRU QTH CONTACT SELLER. Thanks Al K9FW

Listing #1750668 - Submitted on 11/24/25 by Callsign K9FW - IP: 50-104-82-127.prtg.in.frontiernet.net
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 FS: RF-Kit RF2K-S Amplifier  
[SALE PENDING] RF2K-S for sale in perfect cosmetic and operating condition. Late model, low operating time. Zero issues. Single owner, non-smoker. Includes power cord, custom cover and user-printed manual. $5100 shipped CONUS. New, these amps are $6130 + tax. Payment by US Postal Money Order, Zelle, or check. Ships after any form of paper money clears. No trades. I have 11 HF amplifiers - thinning out the collection. Not interested in any other offers at this time. Ad will be removed when sold.

Listing #1747870 - Submitted on 10/30/25 by Callsign W9AC, Modified on 11/24/25, Web Site: http://www.w9ac.com - IP: 204.1.21.181
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 Ameritron AL-80B with ICP-240  
$950.00 Ham Radio 1000 watt amplifier. Ameritron AL-80B to include ICP-240 In-Rush Current Protection Outlet. This amp has been tested by a local radio club and is in excellent condition. Very clean. This amp has only had one owner who is the original owner. Available for local pickup in Countryside area of Northern Clearwater. If shipped, we can negotiate on shipping costs.

Listing #1750630 - Submitted on 11/24/25 by Callsign W2SUB - IP: 47-205-201-45.fdr01.cnsd.fl.ip.frontiernet.net
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 FS: ENI 500LA RF Power Amplifier  
Like NEW, have two ENI 500LA RF Power Amplifier, 27dB, 1.5-520MHzThe 500LA is a 520 MHz 3 Watt RF Amplifier from ENI. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more. Frequency Range: 1.5 MHz to 520 MHz. 27 dB gain (nominal)Works into any load impedance 50 Ohm impedance BNC(f) connectors, input/output 120/240 VAC. Asking $200 each plus shipping.


Listing #1750601 - Submitted on 11/24/25 by Callsign W1JCW - IP: 23-92-13-217.wirestar.net.wirestar.net
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Elecraft KX3 Heatsink / 14 volt 4 Amp Clean DC Power Supply
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