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Power - Beam (NOT sweep) ·BeamPower

6DY7

Dual beam-power pentode designed for stereophonic sound systems, with two power sections usable independently or together in push-pull operation.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
8JP
Socket code
IO
Base pins
8
Nominal heater
6.3 V / 1.2 A

Description

Dual beam-power pentode designed for stereophonic sound systems; two sections operate in push-pull or independently.

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
1.2 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

8JP - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN12G1BG1 — 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

PIN32PBP — Plate (Anode)

Source designation 2P; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 8JP

PIN41G2AG2 — Screen GridGroup 8JP4

Source designation 1G2; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 8JP

PIN42G2BG2 — Screen GridGroup 8JP4

Source designation 2G2; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 8JP

PIN51G1AG1 — Control Grid

Source designation 1G1; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 8JP

PIN61PAP — 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

PIN8G3AG3 — Suppressor GridGroup 8JP8

EIA transcription; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 8JP

PIN8KAK — CathodeGroup 8JP8

Source designation K; manufacturer confirmation pending

Unverified

EIA Base Connections, printed page 130, 8JP

Section ratings

1 physical section, each with unique specifications.

Section 1

Beam Power

X-ray radiationInterelectrode capacitances
Plate resistance
28000 Ω
Transconductance
0.006 S
Max plate voltage
400 V
Max screen voltage
300 V
Max plate dissipation
15 W
Max screen dissipation
2 W

Representative section for two electrically identical beam-power sections.

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

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Power Output

    20 W

    Two sections push-pull; 400 V plate

  • Power Output

    11 W

    Two sections push-pull; 250 V plate

  • Power Output

    5 W

    Single section Class A1

Characteristic

  • Plate Current

    50 mA

    Each section; 250 V plate and screen

Data set 02

1966 Tung Sol Electronic Tubes 2 of 4

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Plate voltage

    250 V

    EachSection

  • Grid 2 voltage

    250 V

    EachSection

  • Grid 1 voltage

    -12.5 V

    EachSection

  • Plate current

    50 mA

    EachSection

  • Grid 2 current

    3 mA

    EachSection

  • Push-pull load resistance

    9000 ohm

    ClassAB1;PushPull;TwoSections

  • Maximum signal power output

    17 W

    ClassAB1;PushPull;TwoSections