High Voltage Step Up (Boost) DC-DC Converter Module For Nixie Tubes CLOCK, Magic Eye tubes Complete Power Solution for your Nixie Clock: 6-12v input, regulated 5.6v and 130-235V DC outputs 20-30mA Pow

 

Buy With Confidence Classic Vintage Record Player / Turntable Dual 1229

 

Vintage Hewlett Packard HP 67 Scientific Calculator Missing charger. Original vinyl case included. Very Good condition. Very clean. Have not put fresh batteries in to see if the unit powers up. Sold a

 

You are bidding on (2) used Amperex 5AR4 GZ34 Full-Wave Rectifier Vacuum Tubes. Please look at pictures carefully as these are the tubes you will receive. Both tubes were tested on our Western Electri

 

4 Sylvania JAN CHS 1LN5 VT-179 Vacuum Tubes For Zenith TransOceanic Radios These used tubes have been tested for mutual conductance. On my Heathkit TT-1 tester they read 800, 800, 800 and 850. A readi

 

Vintage HP 12C 12C is the GO TO calculator in the banking, real estate, and finance industries! Top rated and used as the benchmark by financial professionals. Features numerous calculations, for amor

 

A pair of Telefunken 12AX7 tubes. Both test good. Thanks for looking. pskaudio Store

 

TONIGHT WE HAVE A MAGNAVOX 88-02 POWER AMP  A PUSH PULL AMP WITH 12WPC  4 6V6 TUBES 2 6EU7 1 MULLARD RECTIFIER TUBE  NEW POWER SWITCH UPGRADED SPEAKER CONNECTION NO HUM  FREE SHIPPING WITH FEDE

 

University Sound (Altec) 3-way Diffaxial Speaker 312 Series 200 One Pair These Speakers are in great condition for their age! They are cosmetically near perfect with only a bit of dust, and the dust s

 

Offered for Sale: EIMAC VT-127-A Vacuum Tube Condition: Used - Filament shows continuity. I have no other way to test it. Info: The EIMAC VT-127-A is a power triode used for transmitting with a plate