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6LF6 Amperex Heerlen Holland Big Bottle NOS 1967 (122ma and 125ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
6LF6 Amperex Heerlen Holland Big Bottle NOS 1967 (122ma and 125ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)
By Tube World
$ 199.99
1 pair) 6LF6 Amperex Heerlen Holland Big Bottle NOS 1967
1 tube) 125ma and Gm=15,600 in Philips box
1 tube) 122ma and Gm=15,000 in RCA box
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
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