QTH.COM Ham Radio Classified Ads: POWERSUP - Swap amateur radio HF VHF equipment buy sell trade on line

FS: 275V regulator 4 516F-2 and PM-2 PS: Due to old 1956 design of 516F-2, or PM-2 power supply for Collins KWM-2 (A) or 32S series transmitters runs on 125V AC power Voltage, the 516F-2 supply should deliver 275V Low Volt becomes 330V Plus minus during receive mode of KWM-2(A), vacuum tubes get 330V which will shorten life of tubes and cause extreme hot temperatures affect other parts. KWM-2(A)and 32S series transmitter get lot of heat problems. I have a solution to keep the LV to exactly 275V either transmit or receive mode.Using 500V MOSFET and series of Zener regulators,LV is now tightly regulated which helps keep the VFO with no drift and no audio hum as it works as ripple filter.The board is 22mm x 30 mm by size, made with SMD components and can be fit to the sidewall of power supply. Price is $40 plus $6 for USPS. two or more it has to be shipped by priority, price is $13.check to my QRZ.com address.Other output V,150V or 250V or 300V if needed.; Listing #1736598 - Submitted on 07/18/25 by Callsign K6HM, Modified on 08/15/25 - IP: 75-37-192-218.lightspeed.lsatca.sbcglobal.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Dura Comm LP-10 12 volt power supply: Nice clean Dura Comm LP-10 12 Volt power
Supply with clam shell to hold your radio.
Size is apx 7 in by 8 in deep. Asking 30.00
Plus shipping to lower 48. Many are avaliable,
Ask about quality discount. Will take paypall
With fees paid by you. Check, money order.; Listing #1733737 - Submitted on 06/22/25 by Callsign W8JDE, Modified on 08/15/25 - IP: 94.sub-174-235-251.myvzw.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Jetstream 31MB Switching Power Supply: From the estate of Roger Byron, KR4WS. Here is a nice clean, voltage adjustable switching supply that works perfectly and is from a non-smoker. A perfect fit for any station. It is ADJUSTABLE from 4 to 16 VDC at 25 Amps (30 Amps surge). There is a meter that can selectively displays voltage or amperage. Rear panel has high amperage posts (up to 30 Amps), a fan, and a input voltage select switch. The JTPS31MB has over-voltage protection, and over-current protection. Input is 110 or 220 VAC 50/60 Hz switchable (factory set at 110 VAC).This is a great little power supply for $85 SHIPPED.; Listing #1739577 - Submitted on 08/13/25 by Callsign K4CVL, Modified on 08/15/25 - IP: 47-195-146-141.fdr01.plmt.fl.frontiernet.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
FP-29 POWER SUPPLY WANTED: Looking for the FP-29 power supply for the Yaesu FT-1000 MP Mark V. Please email using your QRZ verified email to prevent scammers. Many thanks, 73....; Listing #1739708 - Submitted on 08/14/25 by Callsign KI4FQZ, Modified on 08/14/25 - IP: customer.atlagax1.pop.starlinkisp.net; Click to Contact -- Send this Ad to a Friend
MFJ 4035MV, 35 amp Power Supply FS: MFJ 4035MV, 35 amp Power Supply For Sale:
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MFJ 4035MV power supplies are excellent for
powering your rig and accessories. Weighing
in at a massive 19.2 lbs., the transformers
in these power supplies make them super heavy
duty! They deliver 35 amps maximum and 30 amps
continuous without even flexing their muscles.
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They are highly regulated and ripple voltage
is less than 30 mV. There is no RF hash! They
are fully protected with over-voltage, fold
back short circuit, and over-temperature
protection.
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You get front panel adjustable voltage from 1
to 14 Vdc. Front panel meters let you monitor
voltage and current. Whisper-quiet fan speed
increases as load current increases, keeping
components cool.
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This one works 100%, and looks like new.
No scratches or defects.
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Buy it with manual for $125 plus shipping
from Florida, or pick up near Ocala.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1739586 - Submitted on 08/13/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Wall Wart Power Supplies / Chargers FS: "Wall Wart" Power Supplies / Chargers For Sale:
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All of these are "regular" wall warts - not the new noisy
switching type. Use one of these, and you will not need
to put up with all of the interference.
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Kenwood Charger for TH-225 HT; $10
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Yaesu NC-9 B Charger
13 V DC at 45 ma, 2.5 mm plug; $12
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There are many uses for the 12 volt DC variety.
These all have 2.1 mm coaxial connectors with
center positive.
12 V DC at 1000 ma $17
12 V DC at 780 ma $15
12 V DC at 750 ma $15
12 V DC at 600 ma $14
12 V DC at 400 ma $12
12 V DC at 200 ma $10
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12 Volt AC at 1 amp - Note it is AC, not DC. $15
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9 V DC at 50 ma $8
9 V DC at 400 ma $12
9 V DC at 500 ma $13
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Prices do not include shipping from Florida.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1739585 - Submitted on 08/13/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Send this Ad to a Friend
Eico Model 1020 Power Supply For Sale: Eico Model 1020 Power Supply For Sale:
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The Eico 1020 is a dual voltage power supply,
providing either 6 volts or 20 volts at a
maximum current of 1/2 amp. It has extremely
low ripple.
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An analog meter can be switched between 6 V DC
and 20 V DC.
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It would make a great bench supply.
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This one works as it should, and looks fine also.
Buy it with paper work for $20 plus shipping from
Florida.
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Thanks. 73,
Ken Simpson, W8EK
Voice Phone (352) 732-8400
.; Listing #1739584 - Submitted on 08/13/25 by Callsign W8EK - IP: fl-67-76-85-5.sta.embarqhsd.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Portable Power Source / Battery Go Box: Battery Box / Portable Power Center
Great for Go Kits / Power Outages, Parks on the Air POTA etc.
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Fused at 30 amps
Dual Anderson PowerPoles
12V Outlet
Dual QC 3.0 USB Fast Charging Power Ports for Phones etc.
Dual PD Power Delivery USB C Power Ports for Phones etc.
Dual LED Volt Meters
Dual On/Off Power Switches
In weather resistant USA made compact plastic ammo can.
Made in the USA
Battery sold separately but fits a 12AH or smaller battery nicely with room to spare.
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$120 Shipped; Listing #1738685 - Submitted on 08/06/25 by Callsign W4JST, Modified on 08/12/25 - IP: c-73-148-40-205.hsd1.va.comcast.net; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
Power Supply trade: Hi all, This might seem silly. Being a totally blind person, I was given an Astron 35 Amp switching supply with the meters. I don't care about the meters. So I'd like to do a straight across trade for the Astron switching 35 amp non metered supply. I figure a sighted person would appreciate the meters. This does have a fan on the back. It does come on, but doesn't stay on long. Email me or call me and we can discuss terms. Oh yeah, the supply works fine. Ray; Listing #1739453 - Submitted on 08/12/25 by Callsign KF6TI - IP: c-174-170-53-59.hsd1.tx.comcast.net; Click to Contact -- Send this Ad to a Friend
For Sale MFJ-4275MV: 75 Amps Peak, 70 Amps Continuous
4 - 16 Vdc Adjustable Output
Battery Charging Circuit
Input 110 VAC or 220 VAC - Selectable
Back Lit Volt and Amp Monitor Meters
Output Protection:
Short Circuit, Over-temperature
Overload with Auto Re-start
Fault Warning LED Indicator
Multiple Output Connector:
75A 5-Way Binding Post
40A 5-Way Binding Post
35A Anderson Power Poles (2 pairs)
15A Cigarette Lighter Socket
10A Quick Connect Terminals (2 pairs)
$275.00 Plus Shipping; Listing #1739414 - Submitted on 08/11/25 by Callsign NE1JT - IP: 216.169.136.89; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend