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(!!) (Best Holland Pair) 6LF6 Amperex Heerlen Holland Big Bottle NOS 1967-1968 (134ma and 135ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
(!!) (Best Holland Pair) 6LF6 Amperex Heerlen Holland Big Bottle NOS 1967-1968 (134ma and 135ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
By Tube World
$ 199.99
1 pair) 6LF6 Amperex Heerlen Holland Big Bottle NOS 1967-1968
1 tube) 134ma and Gm=15,000 (1968)
1 tube) 135ma and Gm=14,700 in Philips box (1967)
Tested on Amplitrex
Vplate=175V
Vscreen=125V
Vgrid=-25V
NOS Iplate range 100-150ma
NOS Gm range 13,000 - 15,000
(6LF6=6.3V @ 2A Filament, Vplate=990Vmax, Vplate=8000Vpeak-pulse, 40 watts)
- Futterman OTL
- Prodigy OTL
- Counterpoint SA4 OTL
See more: vacuum tube