GB-6350 Sylvania Gold Brand black plates NOS 1963 square = “”D”” getter – faded printing
10.2ma Gm=4400
10.6ma Gm=4500
Tested on Amplitrex
Vplate=150V
Vgrid=-5V
Good Ma per section = 9-11ma
Good Gm per section = 4500-5000
recommended for:
– VTL Wotan MB1250, VTL MB450, VTL MB300, VTL 225 Deluxe, VTL Deluxe 140, VTL Stereo 120/50, VTL ST150
– VTL Siegfried
– Joule Electra LA-150 (mk2)
– Joule Electra LA 100
– Shindo-lab Corton


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