Hytron 1625 VT-136 Vacuum Tube Valve Milspec Industrial Coated Glass NOS-Testing January 31 2024 Its diodes measured 33 and

Its diodes measured 33 and 66

respectively nominal is within a standard deviation of 1100

new in box Zenith 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

forward sound with great bass articulation as well

This matched pair of General Electric 12AU7/ECC82 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

Hytron 1625 VT-136 Vacuum Tube Valve Milspec Industrial Coated Glass NOS-Testing January 31 2024 Its diodes measured 33 andThis new old stock testing milspec, gray glass 1625 VT136 output triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 70 where minimum (65%) is 40 and 100% is 62. It has excellent flashing; a Micanol base; an SC966A US Army Signal Corps designation and wire snubbers for increased rigidity and lowered microphonics. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF