What is the 6JE6A vacuum tube?

The 6JE6A is a tetrode vacuum tube designed for power applications. High-current compactron..

What is a 6JE6A substitute or equivalent?

Direct equivalents to the 6JE6A include 6LQ6. These share the same pinout and operating envelope, so they can usually be swapped without circuit changes — though batch-to-batch variations between manufacturers (NOS vs current production) may shift the sonic character noticeably.

What are the key specifications of the 6JE6A?

Amplification factor μ ≈ 3, transconductance gm ≈ 9600 mA/V, plate resistance rp ≈ 5.8 kΩ, max plate voltage 990 V, max plate dissipation 30 W, heater 6.3 V / 2.5 A.

Is the 6JE6A still in production?

Production status varies by year and manufacturer. The current Amperatubes catalog classifies the 6JE6A as Common availability. NOS (new-old-stock) examples from RCA, Mullard, Tung-Sol, GE, Sylvania and Telefunken trade among collectors; modern production where it exists comes mostly from JJ Electronic, Electro-Harmonix, Tung-Sol (New Sensor), Genalex, and a handful of small-batch makers.

What does the 6JE6A sound like?

High-current compactron.. Sonic character also depends heavily on the circuit operating point, the surrounding tubes in the stage, and the output transformer when present — use the interactive loadline calculator on this page to explore the trade-offs.

By Jean-Michel Falligan Devergne · Reviewed May 29, 2026

←6JE6A

← 6J7 6JE6B →Compare → 6LQ6

6JE6A Tetrode Vacuum Tube

Tetrode6.3V / 2.5A9-pin NovarSPICE

Sourceamplifiedparts 6JE6C/6LQ6 beam powerReviewed2026-05-29StatusDataModelCalcModelKoren pentodePDF

Beam power tetrode rated at 30W for high-power output stages

Datasheet ↗SPICE

6JE6A — RCA — tetrode vacuum tube — (1962)

5.8kΩ

9600.0mA/V

22.0pF

0.6pF

11.00pF

GAIN3%

POWER75%

DRIVE94%

LINEARITY95%

SPECIFICATIONS

Heater6.3 V · 2.5 A

Max Plate Voltage990 V

Pa max30 W

Gain Factor3

gm9600 mA/V

rp5.8 kΩ

Inter-electrode capacitances

Cgk22 pF

Cgp0.56 pF

Cpk11 pF

Pinout9-pin Novar

Era1962

RarityCommon

HEATER6.3V / 2.5A

MAX PLATE990V / 30W

BASEnovar-9

Source datasheets

5 manufacturer datasheets cross-checked for 6JE6A

5 verified

EXECUTIVE SUMMARY

The 6JE6A is a indirectly-heated beam tetrode from RCA, introduced around 1962. It provides a gain factor (μ) of 3 with 5800Ω plate resistance. Commonly used in power applications. High-current compactron.

APPLICATIONS

High-power output

Generic tetrode power stage

• PA/public address

VS 6LQ6

μ 0%Rp +0%Pd 0%Full comparison →

HISTORY

Introduced1962ManufacturerRCA

Late Production