What is the RV12P2000 vacuum tube?

The RV12P2000 is a pentode vacuum tube designed for preamp / rf applications. Wehrmacht universal pentode. Historic..

What are the key specifications of the RV12P2000?

Transconductance gm ≈ 1.5 mA/V, plate resistance rp ≈ 1000.0 kΩ, max plate voltage 250 V, max plate dissipation 2 W, heater 12.6 V / 0.075 A.

Is the RV12P2000 still in production?

Production status varies by year and manufacturer. The current Amperatubes catalog classifies the RV12P2000 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 RV12P2000 sound like?

Wehrmacht universal pentode. Historic.. 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.

RV12P2000 Pentode Vacuum Tube

Small-signal pentode for low-noise voltage amplification

PentodeHeater 12.6 V · 0.075 A6-pin WehrmachtTelefunken 1937

Plate dissipation: 2W
Max plate voltage: 250V
Transconductance: 1.5mA/V
Plate resistance: 1MΩ

RV12P2000

Characteristics

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

HeaterIndirectly heated

Specifications of RV12P2000 — Heater
Heater voltageVh	12.6 V
Heater currentIh	0.075 A

Limiting valuesDatasheet maximum ratings — not to be exceeded

Specifications of RV12P2000 — Limiting values
Plate voltageVa max	250 V
Screen voltageVg2 max	225 V
Plate dissipationPa max	2 W
Screen dissipationPg2 max	0.7 W
Cathode currentIk max	11 mA
Heater–cathode voltageVhk max	100 V

Mechanical

Specifications of RV12P2000 — Mechanical
Base	6-pin Wehrmacht
Rarity	Moderate
Pinout

Small signalDatasheet parameters at the reference operating point — not limits

Specifications of RV12P2000 — Small signal
Transconductance	1.5 mA/V
Plate resistance	1 MΩ

Capacitances

Specifications of RV12P2000 — Capacitances
Input	3.3 pF
Grid–plate	0.005 pF
Output	3.15 pF

Charactereditorial reading, not a measurement

Specifications of RV12P2000 — Character
Gain	0%
Power	5%
Drive	0%
Linearity	75%

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

Using this tube

Interactive loadline calculator not available for this tube yet — it needs calibrated Koren or Ayumi parameters.

Applications

Voltage amplifier

Generic pentode preamp / rf stage

Replace or compare

Sources

By Jean-Michel Falligan DevergneReviewed May 29, 2026

Manufacturer datasheets

2 manufacturer datasheets cross-checked for RV12P20002 verified

RV12P2000 DatasheetLocal mirror · PDF

SPICE models

Revision and verification status

Source: Telefunken
Reviewed: 2026-05-29
Status: DataModelCalc
Model: under review

Context

The RV12P2000 is a indirectly-heated pentode from Telefunken, introduced around 1937. Commonly used in preamp / rf applications. Wehrmacht universal pentode. Historic.

History

Introduced: 1937
Manufacturer: Telefunken
Era: Pre-War

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