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Power - Triode ·Triode

ES1101

High-mu AEI power triode for zero-bias Class B push-pull output service. A two-tube stage is specified for approximately 200 W output, with 40 W plate dissipation per valve.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
1
Base
UX4
Socket code
-
Base pins
4
Nominal heater
7.5 V / 1.2 A

Description

Indirectly heated radiation-cooled power triode for zero-bias Class B push-pull audio amplifiers, rated for up to 200 W output per pair.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
UX4
Socket code
-
Base pins
4
Nominal heater voltage
7.5 V
Nominal heater current
1.2 A
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

UX4 - 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

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
24000 Ω
Transconductance
0.003 S
Amplification factor
72
Max plate voltage
1250 V
Max plate dissipation
40 W
Max cathode current
200 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 AEI Industrial Valves

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Anode Grid Capacitance

    4 pF

  • Anode Cathode Capacitance

    1 pF

  • Grid Cathode Capacitance

    5.2 pF

Other

  • Typical Power Output

    200 W

    ClassB;PushPull;TwoTubes

Data set 02

1961 Associated Electrical Industries

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristics

  • Anode Grid Capacitance

    4 pF

  • Anode Cathode Capacitance

    1 pF

  • Grid Cathode Capacitance

    5.2 pF

Other

  • Typical Power Output

    200 W

    ClassB;PushPull;TwoTubes