The PM2 is an audio output triode. The filament is for accumulator use and the anode is designed for dry battery operation with a maximum anode voltage of 150 Volts. The output power is not quoted but will be less than one Watt.

The balloon envelope is 43 mm in diameter and excluding the B4 base pins, is 90 mm tall.

 
Pin Connections

B4	1	2	3	4
	a	g	f	f

 
Absolute Maximum Operating Conditions

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	2.0	0.2	100	-7	4	7000	0.9

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This exhibit was last updated on 20 January 2003