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Tube Tinker — Electron Tube Database
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Power - Beam Single (NOT sweep) (under 10W) ·BeamPower

1299

Special-purpose beam-power tube intended for professional or industrial electronic service, with construction and ratings beyond ordinary consumer receiver output applications.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
-
Socket code
-
Base pins
8
Nominal heater
2.8 V / 110 mA

Description

Filamentary beam-power amplifier for light and portable equipment; suitable for audio and RF power-amplifier service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
-
Base pins
8
Nominal heater voltage
2.8 V
Nominal heater current
110 mA
Parallel heater voltage
1.4 V
Parallel heater current
220 mA
Series capable
Yes

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

Beam Power

X-ray radiationInterelectrode capacitances
Max plate voltage
180 V
Max screen voltage
135 V
Max plate dissipation
4.5 W
Max screen dissipation
0.9 W
Max cathode current
30 mA

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

1961 Tung Sol

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

  • MAX IMUM PLATE VOLTAGE 180

    180 VOLTS

    Published datasheet value

  • MAX IMUM CATHODE CURRENT 30

    30 MA

    Published datasheet value

  • PLATE VOLTAGE 90 135

    150 VOLTS

    Published datasheet value

  • ZERO~-SIGNAL PLATE CURRENT 9.5 9.8

    9.9 MA

    Published datasheet value

  • ZERO-S1GNAL GRID #2 CURRENT 1.6 1.2

    1 MA

    Published datasheet value

  • MAX IMUM S IGNAL PLATE CURRENT 8.5 9.8

    10.2 MA

    Published datasheet value

  • MAX IMUM SIGNAL GRID #2 CURRENT 3.2 2

    1.8 MA

    Published datasheet value

  • LOAD RESISTANCE 8 000 12 000 14

    0 OHMS

    Published datasheet value

  • POWER OUTPUT 270 500

    600 MW

    Published datasheet value

  • PLATE CURRENT

    23 MA

    Published datasheet value

  • GRID #2 CURRENT

    6 MA

    Published datasheet value

  • TOTAL DC CATHODE CURRENT {NOT TO EXCEED

    30 MA

    Published datasheet value

  • RF POWER INPUT

    0.25 WATT

    Published datasheet value

  • RF POWER OUTPUT

    1.4 WATTS

    Published datasheet value