Matched Pair General Electric GE 12BH7 12BH7A Vacuum Tubes 12AU7 Substitute For Tube Rolling NOS-Testing NOS NIB Mesh Plate Der Hirt Auf Dem Felsen

Der Hirt Auf Dem Felsen

As you can see

an additional mica spacer for low microphonics

77/52 and 82/48 where minimum (65%) is 50/40

old-fashioned Coke bottle

Matched Pair General Electric GE 12BH7 12BH7A Vacuum Tubes 12AU7 Substitute For Tube Rolling NOS-Testing NOS NIB Mesh Plate Der Hirt Auf Dem FelsenThis new old stock testing matched pair of GE 12BH7A dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 58 60 while Tube Two measured 60 60 where minimum (65%) is 30. These tubes have gray plates; copper support rods; excellent flashing; top harp lyre getters and black anode radiators for improved cooling and longer tube life. WE HAVE SCORES OF THOUSANDS OF