General Electric GE 25C5 Vacuum Tube Valve NOS NIB

General Electric GE 25C5 Vacuum Tube Valve NOS NIBThis new old stock, new in box GE 25C5 tube tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO $250 IN

These four US-made belll-plate number / type 77 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This dutch auction is for the three-lamp light board (Part number 670-7280) for the Tektronix 2430A Digital Oscilloscope

These five Zenith 17JZ8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 41/42 where minimum (65%) is 21

This matched pair of RCA-MANUFACTURED gray glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

Tube Two lacks most markings and I believe it was military surplus and had its markings removed as memories of the war were a little too fresh

I am playing it now in my Musical Paradise 301 MK 3 (with an adapter

I have played it in my Alan Eaton singe-ended 45 amplifier (at 6

They have shoulder / ST bottles

Transconductance measured 46 for Tube One and 48 for Tube Two where minimum (65%) is 40

This watch is 15MM wide

new in box (For Tube One) matched pair of Unitron 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U for shorts