8560A

Conduction-cooled ceramic-metal external-anode radial-beam tetrode for RF amplifier/oscillator and audio amplifier/modulator service, with dissipation determined by its heat sink.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6 V / 2.6 A

Description

The 8560A is a ceramic-metal conduction-cooled external-anode radial-beam tetrode for RF amplifier/oscillator and audio amplifier/modulator service; anode dissipation is limited by the heat sink.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 6 V
Nominal heater current: 2.6 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

Tetrode

X-ray radiationInterelectrode capacitances

Amplification factor: 5
Max plate voltage: 2000 V
Max screen voltage: 400 V
Max plate dissipation: 250 W
Max screen dissipation: 12 W
Max grid dissipation: 2 W
Max cathode current: 250 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.

No source-specific operating conditions are recorded.