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Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

6DS5

Seven-pin miniature beam-power pentode intended primarily for audio-output stages in television and radio receivers.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
7BZ
Socket code
B7G
Base pins
7
Nominal heater
6.3 V / 800 mA

Description

The 6DS5 is a 7-pin miniature beam-power pentode intended primarily for audio output stages in television and radio receivers.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
7BZ
Socket code
B7G
Base pins
7
Nominal heater voltage
6.3 V
Nominal heater current
800 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

7BZ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

TerminalSectionConnectionEvidence
PIN1Pin 1AG1 — Control GridVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN2Pin 2AG3 — Suppressor GridGroup BZ2Verified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN2Pin 2AK — CathodeGroup BZ2Verified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN3Pin 3—H — HeaterVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN4Pin 4—H — HeaterVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN5Pin 5AP — Plate (Anode)Verified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN6Pin 6AG2 — Screen GridVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

PIN7Pin 7AG1 — Control GridVerified

Tung-Sol 6AQ5/6AQ5A 7BZ basing; manufacturer pinout

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
Amplification factor
8.5
Max plate voltage
275 V
Max screen voltage
275 V
Max plate dissipation
9 W
Max screen dissipation
2.2 W
Max cathode current
50 mA

Audio-output beam-power section.

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

Beam Power

Capacitance

  • Grid-to-plate capacitance

    0.19 pF

  • Input capacitance

    9.5 pF

  • Output capacitance

    6.3 pF

Other

  • Plate supply voltage

    250 V

    ClassA1

  • Screen voltage

    200 V

    ClassA1

  • Zero-signal plate current

    27 mA

    ClassA1

  • Maximum-signal power output

    3.6 W

    ClassA1

Data set 02

1971 RCA HB3 Binder 4 of 7

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • Heater voltage

    6.3 V

  • Heater current

    800 mA

  • Plate voltage

    200 V

    ClassA;CathodeBias

  • Screen voltage

    200 V

    ClassA;CathodeBias

  • Zero-signal plate current

    34.5 mA

    ClassA;CathodeBias

  • Maximum-signal plate current

    32.5 mA

    ClassA;CathodeBias

  • Load resistance

    6000 ohm

    ClassA

  • Power output

    2.8 W

    ClassA

  • Plate voltage

    250 V

    ClassA;CathodeBias

  • Power output

    3.6 W

    ClassA;250V

  • Maximum plate voltage

    275 V

  • Maximum screen voltage

    275 V

  • Plate dissipation

    9 W

  • Screen input

    2.2 W

Characteristic

  • Transconductance

    6000 uS

    ClassA

  • Plate resistance

    28000 ohm

    ClassA

Capacitance

  • Grid-to-plate capacitance

    0.19 pF

  • Input capacitance

    9.5 pF

  • Output capacitance

    6.3 pF

Data set 03

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Capacitance

  • Grid No.1 to Plate

    0.19 pF

    Capacitance

  • Grid No.1 to Cathode, Heater, Grid No.2, and Grid No.3

    9.6 pF

    Capacitance

  • Plate to Cathode, Heater, Grid No.2, and Grid No.3

    6.3 pF

    Capacitance

Other

  • Plate Supply Voltage

    250 V

    ClassA

  • Grid-No.2 Supply Voltage

    200 V

    ClassA

  • Cathode-Bias Resistor

    270 ohm

    ClassA

  • Peak AF Grid-No.1 Voltage

    9.2 V

    ClassA

  • Zero-Signal Plate Current

    27 mA

    ClassA

  • Maximum-Signal Plate Current

    25 mA

    ClassA

  • Load Resistance

    8000 ohm

    ClassA

  • Maximum-Signal Power Output

    3.6 W

    ClassA