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Voltage Pentode ·Pentode

DL96

Directly heated output power pentode designed for low-frequency audio amplification. Widely documented for battery equipment, it combines modest filament demand with useful portable audio output.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
Miniature
Socket code
B7G
Base pins
7
Nominal heater
1.4 V / 50 mA

Description

Directly heated output power pentode for low-frequency audio amplification.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
Miniature
Socket code
B7G
Base pins
7
Nominal heater voltage
1.4 V
Nominal heater current
50 mA
Parallel heater voltage
1.4 V
Parallel heater current
50 mA
Series capable
Yes

Miniature - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances
Plate resistance
160000 Ω
Transconductance
0.0014 S
Max plate voltage
110 V
Max screen voltage
110 V
Max plate dissipation
0.6 W
Max screen dissipation
0.2 W
Max cathode current
6 mA

Published ratings and characteristics promoted from the approved German source.

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

1953 RFT Rundfunk Technik

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Maximum Plate Voltage

    110 V

  • Maximum Screen Voltage

    110 V

  • Maximum Plate Dissipation

    0.6 W

  • Maximum Screen Dissipation

    0.2 W

  • Maximum Cathode Current

    6 mA

Data set 02

1958 Brimar Radio Valve No 7

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Power output maximum published

    0.2 W

Data set 03

1961 Ferranti Technical Handbook

Published operating points and test conditions from this source.

SECTION 1

Pentode

Application

  • Application

    Battery audio output

Data set 04

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

  • HeaterOrFilamentVoltage

    1.4 V

  • HeaterOrFilamentCurrent

    25 mA

  • FilamentConnectionOptions

    Series;Parallel;SingleSection

  • FilamentSectionVoltage

    1.4 V

  • Plate To Grid Capacitance

    0.2 pF

  • Input Capacitance

    3 pF

  • Output Capacitance

    5 pF

  • Application

    Class A, Class AB and Class B audio output

Other

  • CathodeCurrentPerFilamentSectionMaximum

    3 mA

    ParallelFilament

Data set 05

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Application

  • Application

    AudioOutput text

Data set 06

1999 Philips 0-D

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

  • Anode voltage

    85 V

    ClassA

  • Screen-grid voltage

    85 V

    ClassA

  • Anode current

    5 mA

    ClassA

  • Screen-grid current

    0.9 mA

    ClassA

  • Output power

    200 mW

    ClassA

  • Load resistance

    13 kOhm

    ClassA

Capacitance

  • Input capacitance

    5 pF

  • Output capacitance

    4.7 pF

  • Anode-grid capacitance

    <0.4 pF