(!!!!!) (Recommended Pair) 6V6GT Mullard UK gray plate NOS 1960 era (41.5ma and 42.8ma)

1 matched pair) 6V6GT Mullard UK gray plate NOS 1960 era wrapped in original wrapping in white boxes 1 tube) 41.5ma Gm=4050 1 tube) 42.8ma Gm=4080   J=Tottenham plant   Matched on Amplitrex Vplate=250V Svcreen=250V Vgrid=-12.5V Good Ma range 35-45ma Good Gm range 3800-4200   - Fender Musicmaster Bass Guitar 1970- Fender Champion 600 (new)- Fender Tweed Champ 1960- Victoria Amp Model # 20122- Fender 57 Champ Reissue- Fender Deluxe 1963- Fender Tweed Champ with 5F1 circuit