Sensibly equivalent¶ to:
The PCL800 is a television receiver valve with a 300 mA heater for use with series heater chains. Domestic televisions worked at mains voltage and did not have a mains transformer.
It is a triode output pentode designed for field timebase or audio service.
The box that this exhibit came in was marked with a price of #1.26 plus purchase tax.
The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 69 mm tall.
References: Datasheet & 1040. Type PCL800 was first introduced in 1960.
Absolute Maximum Operating Conditions¶
Updated January 02, 2013. shape:thin.glass.tube construction:all.glass type:triode.pentode age:1960.1975 base:b9a heater:300ma pins:9 pin:1.g1(t) pin:2.k.bp.s pin:3.g1 pin:4.h pin:5.h pin:6.a pin:7.g2 pin:8.k(t) pin:9.a(t)