Up for auction is this Telefunken 12AX7 vacuum tube in super nice condition. This tube was tested on a Sencore TC-31 tube tester and it tested good with no leaks or shorts. This tube was made in Germa

 

Vintage Paton Electrical Instruments Co Sydney electrical tester? Don't know what it does or how it works so selling untested. The top of the case lifts up where leads/probes etc are stored. The front

 

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

 

justrandman Store This unit is in perfect working order with some minor cosmetic scratches see pics. Comes with original packaging. On Apr-22-14 at 16:40:18 PDT, seller added the following information

 

johnmurt Store Quad set EL34 6CA7's New Made in Slovak Pentodes-NEW test strong EL34 6CA7 Pair Philps Mullard 1950's , Made in Holland ,Audio Output Pentodes Tubes, Used- Test strong EXTREMELY RAREAn

 

                                This auction is for a Vintage RCA 5Y3 GT Black Plate Amp Rectifier Tube.   It has black plates, a bottom rectangle getter and is in good clean conditio

 

RCA 813 ( CV26 VT-144) GREAT PERFORMANCE This Auction is for 3 RCA 813NEW OLD STOCK IN BOX -------------------------------------------------------------------------------------------------------------

 

Mixed Brand 6V6 Tubes For Audio Equipment & Guitar Amps (8) These tubes came from a large collection of tubes the owner acquired over the years. The tubes are UNTESTED, and SOLD AS. Bid Accordingl

 

Two rare MC input transformers Unused NOS Item includes two MC Transformers Specification: The step up ratio is 1:2 or 1:10 or 1:20 The DC input resistance is ca 150 Ohm or ca 75 Ohm and the output re

 

BRIMAR 12AX7 ECC83 BRITISH OLD STOCK BOXED TESTED PAIR OF VINTAGE VALVES TUBES LONG BLACK ANODE PLATES SQUARE GETTERS BRIMAR BOXS TESTED STRONG ON MY PRECISION 912 AND B&K 747 TUBE TESTERS TESTED