Pentode used in the output stages of radios, amplifiers and other equipment requiring a moderate amount of power. 6.3 volt indirectly heated cathode. Used as class A power output amplifier, either single ended or pushpull.

Mounted on a display block: some of the information on the display block is incorrect. The heater current is actually 0.7 A and the maximum power for a single valve is only 3.1 W.

Physical Description

Tubular metal envelope. Octal base with 7 pins present. Mounted on display block with a sectioned example of the same type (ST 022870)..

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