Here's a very nice Western Electric 249-B tube from the collection of an engineer who worked for AT&T I the 40's & 50's. Please note, if you send me the settings for my Hickock 533 or Sylvania

 

Set of four NOS Ei 12AX7 ECC83 tubes. NOTE these tubes are from the original Ei plant which was destroyed during the war. These original tubes with smooth plates and pinched bases are VERY rare and ha

 

HERE is a Vintage HEATHKIT Tube Preamplifier Model WA-P2 used condition. offering as is. Original knobs. Missing Heathkit emblem. No tubes. NO way to to test. This preamp needs a power amp. Metal cabi

 

One MULLARD 12AX7 ECC83 Long Plate 17mm Audio Tube TV-7D/U Reading - 32/36 ; Min - 32/32 Made in Great Britain by Mullard You are bidding on One MULLARD 12AX7 ECC83 Long Plate 17mm Audio Tube in excel

 

This auction is for a Vintage Telefunken 12AX7 ECC83 Tall Plate Preamp Tube. It has tall ribbed gray plates, a top round getter, code rb and is in excellent clean condition. This is a used vintage MAD

 

Up for bid is a tuning panel (I don't know what else to call it) from a 1920's era tube radio. The dials are marked : Battery Setting, Vernier, & Volume Control. Shipping,to the continental U.S.on

 

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

 

Tube Tester: Precision 912 SeriesFilament Test: PASSEDShorts: NONEQuality Test: GOOD (My meter has: replace, weak, and good)

 

brand new parts resistors,capacitors,transistors, pictures show what you get amp kit dont know if kit is all there but packs are there not opened

 

Vintage ERIC ENGINEERING 2160 TUBE STEREO AMPLIFIER This vintage classic is very rare. They were made in Santa Monica, California by Eric Engineering. The 2160 uses 4 - 6BQ5's, 2 - Mullard 7247's and