PT2C @ The Valve Museum

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PT2C

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Radio Record Photographic Donation - Mark Mallison

The PT2C from Radio Record is a battery output pentode. The anode load should be 14 kΩ and the output is 1.0 W.

The bright anode. The filament tension spring is seated on a second mica.

The B5 base pins.

Thanks to Mark Mallison for sending the images.

The classic envelope is mm in diameter, and excluding the B5 base pins is mm tall.

Reference: ¹⁰⁴³.

Pin Connections

B5	1	2	3	4	5
	a	g1	f(-),g3	f(+)	g2

Absolute Maximum Operating Conditions^¶

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	2.0	0.26	150	150	-12.0	28.0	-	6k	2.0

Updated October 13, 2019.

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