What is the 6E6P vacuum tube?

The 6E6P (6E6P / 6Э6П) is a tetrode vacuum tube designed for driver / power applications. Frame-grid tetrode. Long-life audiophile variant..

What is a 6E6P substitute or equivalent?

Direct equivalents to the 6E6P include 6E5P. 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 6E6P?

Amplification factor μ ≈ 30, transconductance gm ≈ 29.5 mA/V, plate resistance rp ≈ 15.0 kΩ, max plate voltage 285 V, max plate dissipation 8.25 W, heater 6.3 V / 0.61 A.

Is the 6E6P still in production?

Production status varies by year and manufacturer. The current Amperatubes catalog classifies the 6E6P as Moderate 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 6E6P sound like?

Frame-grid tetrode. Long-life audiophile variant.. 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.

6E6P 6Э6П Tetrode Vacuum Tube

Also known as 6E5P

Beam power tetrode rated at 8.25W for high-power output stages

TetrodeHeater 6.3 V · 0.61 A9-pin NovalReflector 1962

Plate dissipation: 8.25W
Max plate voltage: 285V
Max screen voltage: 150V
Max cathode current: 70mA
Transconductance: 29.5mA/V

6E6P

Characteristics

Datasheet values, once each. Every value cites its sheet.

HeaterIndirectly heated

Specifications of 6E6P — Heater
Heater voltageVh	6.3 V
Heater currentIh	0.61 A

Limiting valuesDatasheet maximum ratings — not to be exceeded

Specifications of 6E6P — Limiting values
Plate voltageVa max	285 V
Screen voltageVg2 max	150 V
Plate dissipationPa max	8.25 W
Screen dissipationPg2 max	2.1 W
Cathode currentIk max	70 mA
Grid resistorRg1 max	500 kΩ

Mechanical

Specifications of 6E6P — Mechanical
Base	9-pin Noval
Rarity	Moderate
Pinout

Small signalDatasheet parameters at the reference operating point — not limits

Specifications of 6E6P — Small signal
Transconductance	29.5 mA/V
Plate resistance	15 kΩ
Amplification factor	30

Capacitances

Specifications of 6E6P — Capacitances
Input	22 pF
Grid–plate	0.05 pF
Output	5.9 pF

Charactereditorial reading, not a measurement

Specifications of 6E6P — Character
Gain	30%
Power	21%
Drive	85%
Linearity	85%

datasheet cited · model or editorial reading · catalogue value, no citation attached yet · nothing invented

Using this tube

No interactive loadline model for this tube yet — download a SPICE model below to simulate it in LTspice or ngspice.

Replace or compare

Sources

By Jean-Michel Falligan DevergneReviewed May 29, 2026Source : Reflektor 6Э6П datasheet via Bartola Valves

Manufacturer datasheets

1 manufacturer datasheets cross-checked for 6E6P / 6Э6П1 verified

6E6P DatasheetFrank's Electron Tube Pages · PDF

SPICE models

Revision and verification status

Source: Reflektor 6Э6П datasheet via Bartola Valves
Reviewed: 2026-05-29
Status: DataModelCalc
Model: under review

Context

The 6E6P is a indirectly-heated beam tetrode from Reflector, introduced around 1962. It provides a gain factor (μ) of 30 with 15.0kΩ plate resistance. Commonly used in driver / power applications. Frame-grid tetrode. Long-life audiophile variant.

History

Introduced: 1962
Manufacturer: Reflector
Era: Late Production

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