Matched Pair General Electric GE 12SL7 12SL7GT Vacuum Tubes NOS NIB 35Z4GT Octal T04

Matched Pair General Electric GE 12SL7 12SL7GT Vacuum Tubes NOS NIB 35Z4GT Octal T04This new old stock, new in box (for Tube One) matched pair of GE MANUFACTURED 12SL7 12SL7GT dual triodes was tested on our Pau Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 38 38 for Tube One (CBS labeled) and 38 42 for Tube Two where minimum (65%) is 32 32. These tubes have copious flashing, side, harp getters, steel plates and steel support rods. WE HAVE SCORES OF THOUSANDS OF

indirectly funding The Enemy

I have played it (with an adapter) in one of my AC-heated Sound Craftsman RC2 amplifiers and it sounds great

Zenith-LABELED 6C8G dual triode was tested on our Paul Hart-calibrated for shorts

The vinyl is heavy with a light to lightly-moderate amount of pops and ticks

anode radiators

new in box RCA 6AV5 tubes tested to spec on our Paul Hart-calibrated TV7/U

but is fine at all listening levels

new in box GE 12DB5 tubes tested to spec on our Paul Hart-calibrated TV7/U

The links themselves also lack reference numbers and

I does not wind

This National Union number 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

These four National Union type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U: