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

Displaying ads 1 to 10 of 303 ads in this category.
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 Drake L-4B & L-4PS  
Excellent condition
Rebuilt Power Supply/Filter Capacitors
Soft Start Module
Soft Key Module
Very strong 3-500 Eimac tubes
Non smoker owned
$1150 Shipped/Insured in the US


Listing #1742839 - Submitted on 09/11/25 by Callsign KL7AM, Modified on 09/18/25, Web Site: https://kl7am.com - IP: 92-99-35-72.mtaonline.net
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 Alpha 99 HF Amplifier  
Easy legal limit+ amp. Never any issues. really a great amp.
Uses a pair of excellent GU-74B tubes often called 4CX800's
$2500 Shipped/Insured US


Listing #1743093 - Submitted on 09/14/25 by Callsign KL7AM, Modified on 09/18/25, Web Site: https://kl7am.com - IP: 92-99-35-72.mtaonline.net
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 Emtron DX2SP HF Amplifier  
Great condition!
Very reasonably priced tubes if you need one
I owned this amp for a time after I bought from an estate and it worked well. later sold it to a friend who had it for several years.
Friend recently passed and I bought it from the estate and it still works great. No issues in the time we have owned it.
Legal Limit+++
I have a good extra tube available too
$2,500 shipped/insured US


Listing #1743094 - Submitted on 09/14/25 by Callsign KL7AM, Modified on 09/18/25, Web Site: https://kl7am.com - IP: 92-99-35-72.mtaonline.net
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 Ameritron ADL-1500 Dummy Load  
Ameritron ADL-1500 Dummy Load allows you to run the maximum legal limit of 1500 watts for a full five minutes The label on the dummy load includes a power vs. time chart so you always know how much power it can handle and for how long. Sold filled with high-quality, industrial-grade transformer oil (containing no PCBs) and a heavy-duty 50 ohm non-inductive resistor. Pick up only or meet within 50 miles. $70 cash OBO.

Listing #1743168 - Submitted on 09/15/25 by Callsign K4PVK, Modified on 09/18/25 - IP: 107-134-199-69.lightspeed.moblal.sbcglobal.net
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 Amps for HF, 6M. 2M and 70cm  
HF Amplifiers For Sale:
Acom 1000 1KW HF/6M $2900
-
6 Meters:
RF Power Labs Solid State 400-500 Watt Base Amp with Power Supply 120V
-
2 Meters:
RF Concepts 2-317 30in 170out Preamp SSB Delay etc. $400 Shipped
VHF Engineering 10in 140out $290 Shipped
Mirage B310G SOTA etc 1/4W to 8W In 100W Out with Preamp SSB Delay $310 Shipped
-
70cm UHF:
Mirage D1010 Brown Face with SSB Delay etc.
10 in 100 Watts out
$375 Shipped


Listing #1743520 - Submitted on 09/18/25 by Callsign W4JST - IP: c-73-148-40-205.hsd1.va.comcast.net
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 FOR SALE: Collins 30S-1  

Price: $800 Firm. Local Pickup Only.
Refurbished with Super Long Life Caps.
Full power out. Works great.
Front panel is in nice shape.
Some minor scratches on cabinet.

Extra Tubes:
I have five extra 4CX1000A medical pulls with low hours.
You can have as many as you want for $100/each.

Sold AS-IS as vintage electronics.
Guaranteed to be working upon delivery.
LOCAL PICKUP ONLY. SW side of Milwaukee.
Sincerely,
W9XZ


Listing #1743507 - Submitted on 09/18/25 by Callsign W9XZ - IP: syn-173-089-040-121.res.spectrum.com
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 Wanted: Amp for IC-705 and FT-818
Looking for an amplifier to use with my IC-705 and FT-818. Prefer something like a Tokyo Hy=Power HL-45B or HL-50. Hardrock 50 would also be acceptable. Amp needs to include HF and 6 Meters. Best regards, Kerry K8KSW

Listing #1743505 - Submitted on 09/18/25 by Callsign K8KSW - IP: dynamic-acs-24-101-0-191.zoominternet.net
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 YAESU FT-2100B $550  
Nice amp. Works as it should. Clean and quite nice.
prefer local pickup or can deliver short distance from my home in Sierra Vista, AZ
have pics of inside amp
will ship if needed


Listing #1741734 - Submitted on 09/01/25 by Callsign W7CKW, Modified on 09/18/25 - IP: ip70-190-146-143.ph.ph.cox.net
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 FS: Ameritron AL-82 10-160m HF Amplifier  
Will be at the Fair Lawn NJ hamfest Saturday 9/20 with this amplifier.
Selling for a ham friend, recent SK K2FJ: Ameritron AL-82 HF amplifier 160-10m, high power, true 1500w output with 100w drive, with headroom up to 130w drive. 2 3-500G tubes with up to 3800v high voltage. As-new condition both physically and operationally. Tested with 100w drive into Bird dummy load and N8LP LP-700 wattmeter, showing 1500w all bands. No smoke/odors. One owner. Copy of manual. Nice smooth tuning. Prefer no shipping as this amp weighs almost 80Lbs. Pickup/demo in NNJ 07860 or mutual meetup. Asking $1700 payment by USPS money order, certified bank check or Walmart wallet. Sold as-is, no refunds.


Listing #1741612 - Submitted on 09/01/25 by Callsign KO2OK, Modified on 09/18/25 - IP: 63-133-236-203.planet.net
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 WANTED 4CX1500B
I need one Good Eimac 4CX1500B for my amp. I have one good one now and need a second. If you have one, Please contact me.
Clark
W7WRX


Listing #1743496 - Submitted on 09/17/25 by Callsign W7WRX - IP: ip68-231-36-34.ph.ph.cox.net
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Momobeam ham radio antennas designed for performance and durability
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