Description
(!!!!!) (Best Overall Quad) 10Y=VT-25 SYLVANIA NOS 1940’s (28, 28, 28, 28.8ma) 1-3% matched
1 matched quad) 10Y=VT-25 SYLVANIA NOS 1940’s in white boxes
1 tube) 28.0ma Gm=2100
1 tube) 28.0ma Gm=2100
1 tube) 28.0ma Gm=2000 taller bottle
1 tube) 28.8ma Gm=2100
Good current range 20-30ma
Vplate=300V Vgrid=-15V