6BK6

Compound (multi-section) — B7G

Sylvania

Known Equivalents & Substitutes

No known equivalents. If you know of any, use the ⚑ Report Issue button above.

Similar Tubes (Not Drop-In Compatible)

Similar duplex-diode triode on B7G base

Similar duplex-diode triode on B7G base — mu=70 vs 100, won market competition

Same duplex-diode triode structure and B7G base — Philips lists 6AV6/EBC91 as replacement

Electrical Specifications

Section 1 — Triode

Absolute Maximum

Anode Voltage (max)Max Plate Voltage300V

Section 2 — Diode (each)

Heater

Heater VoltageHeater Voltage6.3V

Heater CurrentHeater Current0.3A

Notes

GE Essential Characteristics: Duplex-Diode High-mu Triode, B7G (7BT) base, Vh=6.3V, Ih=0.3A, Va_max=300V.
Sams Substitution lists 6AT6, 6AV6, 6BT, 6BC32, OH7 as substitutes.
Philips interchange lists 6AV6/EBC91 as replacement.
Brans Vademecum (Table IIIa) lists in same group as 6AV6, confirming interchangeability.

Pin Layout — B7G

1Diode Plate 1

2Grid (triode)

3Heater

4

Socket-Compatible Tubes ⚠ Not electrically compatible

References