ZD1XB

Forced-air-cooled modulating power triode for Class A low-frequency and high-frequency power-amplifier service. Approximately 1.2 kW anode dissipation and 6 kV capability support substantial professional amplifier power.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: DUOPIN2
Base pins: -
Nominal heater: -

Description

Forced-air-cooled modulating triode with 1.2 kW anode dissipation for Class A low-frequency and high-frequency power-amplifier service.

Socket description

Duopin 2-contact base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: DUOPIN2
Base pins: -
Nominal heater voltage: -
Nominal heater current: -
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

Triode

X-ray radiationInterelectrode capacitances

Max plate voltage: 6000 V
Max plate dissipation: 1200 W
Max cathode current: 400 mA

Semantically matched promoted fields only.

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

195X Tesla

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum Plate Dissipation
1200 W

Data set 02

1966 Tesla Tubes

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Uf
17.6 to 20 V
If
22 A to 27 A
Ua
6 kV
Wa
1.2 kW
Published value
1 a
la
400 mA
OXJ
1 A

Capacitance

Published value
26.4 pF
Calk
13.8 pF
Calg
11.6 pF

Characteristic

le
2.2 A