The RCA 6SN7GT double triode valve is electrically equal to a pair of the 6J5 triodes in a single envelope.

The construction uses a glass pinch and the two separate electrode structures are visible through the envelope.

The wide glass tube envelope is 27 mm in diameter and excluding the IO base pin length, stands 63 mm high.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	g1(2)	a(2)	k(2)	g1(1)	a(1)	k(1)	h	h

 
Absolute Maximum Operating Conditions

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	6.3	0.8	250	-0	3	7.7k	1.6

Thanks to Frank Philipse for supplying the above datasheet

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This exhibit was last updated on 04 July 2009