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(!!) (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)

(!!) (Recommended Pair) 6LF6 Sylvannia NOS same build 1970 era (121ma and 127ma) (Counterpoint OTL, Futterman OTL, Prodigy OTL)

By Tube World

$ 159.99

1 pair) 6LF6 Sylvanbia NOS same build

1 tube) Sylvania branded Philips (121ma, Gm=14,600)

1 tube) Sylvania branded RCA (127ma Gm=14,100) 

 

 

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
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