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

 

DATAMATH CALCULATOR MUSEUM sells on eBay BRAUN model ET22 a.k.a. Type 4955 Braun AG, the brand famous for its concept of German modern industrial design, introduced its first electronic calculator wit

 

This auction is on a single vintage Klipsch K-400, 1" exit mid range horn for K-55-V mid range driver, pulled from a working, orphan Klipsch La Scala circa 1976. This is an aluminum horn and is in exc

 

1976 General Electric Bicentennial Vintage TelevisionNO Reserve Auction! Fresh from an estate is a fantastic General Electric vintage television from 1976, and made to celebrate America's Bicentennial

 

Vintage Heathkit A7 tube amplifier that is being sold for repair or parts. I have not tested as I would probably do damage. Good condition cosmetically, no electrical odor, need to be cleaned. Please

 

Up for your consideration is this Vintage RCA TV knob control housing. I am unsure of what models this will fit, I was unable to find another like it. It is in good condition and looks like NOS from a

 

2-in-1 360° Angle Finder with 600mm Ruler Brief Description This 2-in-1 Angle Meter with Ruler measures and lays out both angle and length accurately and quickly. The total length of ruler is long an

 

PAIR BOSE 401 SPEAKERS 1987 - Serial # 119679Impedance 4 OhmsEXCELLENT WORKING CONDITIONDirect / Reflecting Speakers with Stereo space array. FOR LOCAL PICK UP ONLY !

 

Hello, you are bidding on three (3) individual bias & transconductance matched sets of four (4) SV6550C, more commonly referred to as just 6550's, vacuum tubes for any tube amp that uses 6550 size

 

a 2nd HEATHKIT AA-1506 VINTAGE TRANSISTOR STEREO AMP, WORKING & ORIGINAL, MADE IN USA. a bit dusty and with some scuffs but appears all original and it works. i brought it up on a variac slowly an