6J7

Pentode · IHT · Octal · 1935

“Octal preamp pentode.”

Small-signal pentode for low-noise voltage amplification

TRANSCONDUCTANCE0mA/V

GAIN0%

POWER2%

DRIVE50%

LINEARITY75%

HEATER6.3V / 0.3A

MAX PLATE300V / 0.83W

BASEoctal

EXECUTIVE SUMMARY

The 6J7 is a indirectly-heated pentode from RCA, introduced around 1935. Commonly used in preamp applications. Octal preamp pentode.

APPLICATIONS

Voltage amplifier

Generic pentode preamp stage

HISTORY

Introduced1935ManufacturerRCAEquivalentsNone

Pre-War

SPECIFICATIONS

Heater Voltage6.3V

Heater Current0.3A

Max Plate Voltage300V

Max Power0.83W

Sensitivity1.22 mA/V

Gain Factor—

Internal Impedance—

PinoutOctal

Era1935

RarityCommon

6J7 Datasheet

Frank's Electron Tube Pages · PDF

SIMILAR PENTODES