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

 

For sale is a beautiful single STC UK made and tests like new 4300A / 300A / B tube from the 1950's. It is like new, NO original box and was tested on my TV7/DU tester and on my Neuberger RPM370 teste

 

MAGNECORDER PY-6 3 TUBE PREAMPLIFIER GE 12AX7, RCA BLACK PLATE 12AU7, TUNG-SOL 6X4 DOUBLE DIN MOUNTING FROM RETIRED RECORDING ENGINEERS STUDIO HAS NOT BEEN USED IN A FEW YEARS AND NEEDS NEW AC CORD BU

 

Closely matched pair solid gray plate (no holes) triple getter Tung Sol 6550's. One tube has RCA label, and 2nd tube has TS label. Date codes are 6248 (48th week 1962) and 6352 (52nd week 1963) The Fl

 

welcome to this listing of a marantz 5030B ,,, this three head cassette deck is in very good cosmetic condition ,,, "" BEING SOLD AS - IS "" ,,, as shown in the pictures ,,, the face plate has one nic

 

Vintage Sony Stereo Walkman WM-30 This is an estate find. Pictures provided. I have tested the walkman and playback worked just fine, but ultimately this unit will be listed "as is" due to the age of

 

Have not being test, some need batteries,some for parts only...maybe you can fix them or find better use.. Texas instruments from the 1975 Posted with eBay Mobile

 

quad GE 6550A tubes ( 2 have International KT88 label) 2 tubes test 80-85%, other 2 test weak

 

I just got this from an estate sale and it powers up and appears to be in good working condition but I couldn't test everything out. It's in very nice condition all over but on the back the whole way

 

This auction is for one Western Electric 262B tube. Tested on my WE tester with 570 being nominal, this tube tested at 900 mhms. No shorts. No gas. Base tight to envleope. Slightly bent pins, but not