Matsushita 7AU7 Gold Pin Vacuum Tube Valve NOS-Testing Gebraucht Tray OG2 They have shoulder / ST

They have shoulder / ST / Coke bottles and dimpled-sheet getters

great flashing and 63-48 188-5 and 64-13 188-5 factory/date codes

They have an extra mica spacer for vibration suppression

This matched pair of Ken-Rad Type 35 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This Japanese 38KD6 tube tested 76 on our Paul Hart-calibrated TV7/U where minimum is 54 and new is 100

Matsushita 7AU7 Gold Pin Vacuum Tube Valve NOS-Testing Gebraucht Tray OG2 They have shoulder / STThis Matsushita MANUFACTURED, Realistic Lifetime BRANDED, gold pin 7AU7 dual triode was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured an almost perfectly balanced 76 77 where minimum (65%) is 56 56. I have played it in my Schiit Vali 2 headphone amplifier and it sounded great. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE