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TEST - HP 500V DC Power Supply &Tube Voltmeter: Hewlett Packard Model 712B Power Supply
0-500 Volts DC
and
HP Model 410B Vacuum Tube Voltmeter
These will both rackmount
Made in the USA
Old, untested
Make Offer
Pickup in Virginia or inquire about shipping/delivery; Listing #1766335 - Submitted on 04/28/26 by Callsign W4JST, Modified on 04/29/26 - IP: 73.99.134.215; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
RADIOANQ - FS+ Two Ameco Cables: Two Ameco Preamp cables. Automotive type connector, add connectors on other side. $19 + $4 shipping to USA lower 48; Listing #1766422 - Submitted on 04/29/26 by Callsign N8FVJ - IP: 71-214-51-64.orlf.qwest.net; Click to Contact -- Send this Ad to a Friend
RADIOHF - WANTED: EICO 711 SW Receiver: Want a EICO 711 SW Receiver in good condition with dialglass especially in good shape. ALL angle pictures a must....!!!
I appreciate all the responses, however I will only accept responses from QTH.com and a phone number.
Thanks; Listing #1765064 - Submitted on 04/15/26 by Callsign W3EU, Modified on 04/29/26 - IP: 66.179.142.43; Click to Contact -- Send this Ad to a Friend
TUBES - FS: Two new Lindal 6DS4 Tubes: Two new Lindal 6DS4 Tubes. $29.95 + $5.75 shipping to USA lower 48.; Listing #1766420 - Submitted on 04/29/26 by Callsign N8FVJ - IP: 71-214-51-64.orlf.qwest.net; Click to Contact -- Send this Ad to a Friend
AMPHF - Wanted Cetron tubes one pair: I know this is a long shot but does anyone have a pair of Cetron tubes nos or full output for my Yaesu FL2100F? Thank you in advance!; Listing #1766419 - Submitted on 04/29/26 by Callsign W4TSR - IP: 152.42.30.214.mlec.com; Click to Contact -- Send this Ad to a Friend
TUBES - WTB Eimac 3-500Z: Looking for a good working Eimac 3-500Z tube. Lost the filament in mine so now looking for a replacement. Email me if you have a spare that you would part with. Good on QRZ
Thanks,
Jack
KA4LGN; Listing #1766418 - Submitted on 04/29/26 by Callsign KA4LGN - IP: syn-075-136-042-088.res.spectrum.com; Click to Contact -- Send this Ad to a Friend
MISC - NIB GigaVac G23WF HD T/R Relays: For Sale: Two (2) each New In Box Gigavac G23WF relays with 26 VDC coil. Original owner, not used, smoke-free pet-free ultra-clean home. 'Giving Away' both for $950 shipped continental 48 USA.; Listing #1766417 - Submitted on 04/29/26 by Callsign KJ9I - IP: syn-024-211-016-019.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
ANTVHF - vhf uhf antennas ect: cushcraft 719b 432 antenna $90,2 meter 10 el beam $75,mirage d 1010 amp was moditfyed for preamp by previous owner $125,rfc 2-417 2 meter amp preamp works $225 prefer pickup but will ship at your expense all but antennas as is 570-881-2173 internet is down tom n3vs; Listing #1764962 - Submitted on 04/14/26 by Callsign N3VS, Modified on 04/29/26 - IP: 70.44.176.171.res-cmts.tnk.ptd.net; Click to Contact -- Send this Ad to a Friend
MISC - For Sale SSB Electr. LT 6S Transverter: Mint condition Ultra high quality SSB Electronic GmbH model LT 6S 50 MHz-to-28 MHz Transverter. Serial Number 098037604. 0 to 20W continuously variable Tx power output. Rx Noise Figure < 1dB. Factory added Temperature Controlled Crystal Oscillator (TCXO) frequency stability for WSJT-X weak-signal digital modes and Front-panel precision multi-turn potentiometer Tx output power adjustment/control. Back-lighted RF power meter on front panel. RF output is currently configured as split Tx and Rx for EME but can be easily re-configured to re-combine them. Non-Smoking, no Pets ultra clean operating environment. Outstanding performer, this unit won the ARRL EME contest (6m single band) three consecutive years 2022-2024 inclusive. Ideal for Roving operation or home-station EME. Requires 13.8VDC $450 shipped continental 48 USA.; Listing #1766415 - Submitted on 04/29/26 by Callsign KJ9I - IP: syn-024-211-016-019.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend
AMPVHF - For Sale: Henry 4006A 6m 3CX3000A7 amp: Henry Radio 4006A 6m Amplifier. Instant-On directly heated thoriated tungsten Filament Eimac 3CX3000A7. Ideal 6m EME and/or terrestrial amplifier. Updated for 100% duty-cycle digital modes and operated flawlessly full weekend contest operation three consecutive years. Essentially a 6m version of the Henry 8K Ultra amplifier (same power supply, controller, tube, etc.). Includes a Superior Electric Variac to precisely set Filament voltage. Output T/R relay updated to Gigavac G23WF (over $900 itself), High-power K1WHS Low-Pass Filter (LPF) using Jennings JCSF-50 vacuum capacitors and silver-plated wire-wound inductors in forced-air ventilated LPF compartment. With New In Box critical Spare parts: both motor drives (for remote tuning), control cable, relays, MDI power supply contractor relays, and power switch. With As-Built schematic documentation. $7,500 you transport from Oconomowoc, Wisconsin (heavy and truck or large SUV required); Listing #1766414 - Submitted on 04/29/26 by Callsign KJ9I - IP: syn-024-211-016-019.res.spectrum.com; Click to Contact -- Click Here to View Picture -- Send this Ad to a Friend