6BQ5 Sylvania black plate NOS 1950”s

55.5ma

Gm=11,450

Tested on Amplitrex

Good Ma 40-50ma

Recommended for

– BLACKHEART BH5H
– Bad Cat Black Cat 2003
– Shindo Montille
– RM10
– Gibson GA-5 Skylark 1966
– VOX
– Kustom