6DZ7

Twin power pentode designed especially for compact stereo systems and high-fidelity audio amplifier output stages. Two power-capable pentode sections share one envelope for space-efficient dual-channel amplification.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 2
Base: 8JP
Socket code: IO
Base pins: 8
Nominal heater: 6.3 V / 1.52 A

Description

The 6DZ7 is A TWIN POWER PENTODE ESPECIALLY SUITABLE FOR COMPACT STEREQ SYSTEMS. IT IS DESIGNED FOR USE IN THE OUTPUT STAGE OF HIGH-FIDELITY AUDIO AMPLIFIERS.

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: 8JP
Socket code: IO
Base pins: 8
Nominal heater voltage: 6.3 V
Nominal heater current: 1.52 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

8JP - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN12G1	B	G1 — Control Grid Source designation 2G1; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN2H	—	H — Heater Source designation H; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN32P	B	P — Plate (Anode) Source designation 2P; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN41G2	A	G2 — Screen GridGroup 8JP4 Source designation 1G2; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN42G2	B	G2 — Screen GridGroup 8JP4 Source designation 2G2; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN51G1	A	G1 — Control Grid Source designation 1G1; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN61P	A	P — Plate (Anode) Source designation 1P; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN7H	—	H — Heater Source designation H; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN8G3	A	G3 — Suppressor GridGroup 8JP8 EIA transcription; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP
PIN8K	A	K — CathodeGroup 8JP8 Source designation K; manufacturer confirmation pending	Unverified EIA Base Connections, printed page 130, 8JP

Section ratings

2 physical sections, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 38000 Ω
Transconductance: 0.0113 S
Max plate voltage: 440 V
Max screen voltage: 300 V
Max plate dissipation: 13.2 W
Max screen dissipation: 4 W

Representative row for two electrically identical pentode sections; ratings are each section unless noted; screen dissipation is published as total 4.0 W.

Section 2

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 38000 Ω
Transconductance: 0.0113 S
Max plate voltage: 440 V
Max screen voltage: 300 V
Max plate dissipation: 13.2 W
Max screen dissipation: 4 W

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
250 V
EachSection
Screen voltage
250 V
EachSection
Plate current
48 mA
EachSection
Screen current
5.5 mA
EachSection
Plate voltage
400 V
ClassAB1;PushPull;SingleTube
Screen voltage
250 V
ClassAB1;PushPull;SingleTube

Data set 02

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Plate Voltage
250 V
AverageCharacteristics
Screen Voltage
250 V
AverageCharacteristics
Plate Current
48 mA
AverageCharacteristics
Screen Current
5.5 mA
AverageCharacteristics

Other

Maximum-Signal Power Output
18 W
PushPull ClassAB FixedBias