A diode-pentode having variable-mu chacteristics and can be used with a sliding screen grid voltage. Intended for use as an R.F., I.F., or A.F. amplifier.
New Old Stock * New In Box * No longer available for export MFR: Telefunken Made in Germany SKU: EAF42/6CT7-TELE
A diode-pentode having variable-mu chacteristics and can be used with a sliding screen grid voltage. Intended for use as an R.F., I.F., or A.F. amplifier.
New Old Stock * New In Box * No longer available for export MFR: Mullard Made in Great Britain SKU: EAF42-MUL
The red base 5691 is a premium 6SL7 made to last over 10,000 hours and produce low noise. New old stock * No longer available for export. MFR: GE SKU: 5691-RED-GP
Designed for relay applications for grid-controlled rectifier service New old stock * No longer available for export. MFR: National Electronics SKU: 2050-2050A-NAT