Description
JAN-7788 Amperex USA NOS 1986 (54ma)
JAN-7788 Amperex USA NOS 1986
54ma
Gm=53,300
Tested on Amplitrex
Vplate=150V
Vscreen=150V
Vgrid=-1.6V
Good NOS Ma range 38-50ma
Good Gm range 40,000 – 50,000
(Frame-Grid 10,000-hour low-noise Pentode, Filament=6.3V @ 340ma)
– Allnic H-3000 phono
– Allnic L-1500 linestage
– Allnic L-3000