Description
(!!!) (BEST PAIR) 1619=VT-164 RCA NOS 1942-1943 (49ma and 51ma)
1 pair) 1619 RCA NOS 1940’s
1 tube) 49ma Gm=4600 (JAN-1619)
1 tube) 51ma Gm=4600 (VT-164=1619)
Matched on Amplitrex
Vplate=300V
Svcreen=250V
Vgrid=
Good Ma = 44-50ma
Good Gm = 4000
2.5 Volt filament
15 watts