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AC4PEN

Indirectly heated beam-power output valve designed for audio power stages of AC mains receivers.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: 7
Nominal heater: 4 V / 1.75 A

Description

Indirectly heated beam-power output valve for A.C. mains receivers. The datasheet provides ratings, characteristics and application guidance for the intended service.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: 7
Nominal heater voltage: 4 V
Nominal heater current: 1.75 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

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

Transconductance: 0.011 S
Max plate voltage: 250 V
Max screen voltage: 250 V
Max plate dissipation: 16 W

Indirectly heated beam-power output valve for A.C. mains receivers.

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

1960 Mazda

Published operating points and test conditions from this source.

SECTION 1

Beam Power

Other

Anode voltage
225 V
Screen voltage
225 V
Grid bias
-8 V
Anode current
52 mA
Screen current
10 mA
Anode load
3700 ohm
Power output
5.5 W