Description
(!!!!!) (Best Quad) 6V6GT Mullard UK black plate NOS 1960 era (41.8/42.0/42.2/42.4ma)
1 matched quad) 6V6GT Mullard UK black plate NOS 1960 era wrapped in original wrapping in white boxes
1 tube) 41.8ma Gm=4100
1 tube) 42.0ma Gm=4000
1 tube) 42.2ma Gm=4200
1 tube) 42.4ma Gm=4000
J=Tottenham plant
Matched on Amplitrex
Vplate=250V
Svcreen=250V
Vgrid=-12.5V
Good Ma range 35-45ma
Good Gm range 3800-4200
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