The 6K6GT is an audio output pentode designed for the final audio stage of television and radio receivers. Strapped as a triode it is also rated for service as a frame (vertical) output valve.

Electrically it is identical to type 41.

The wide glass tube envelope is 29 mm in diameter, and excluding the IO base pins is 68 mm tall.

 
Pin Connections

IO	1	2	3	4	5	6	7	8
	-	h	a	g2	g1	-	h	k,g3

 
Absolute Maximum Operating Conditions

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	rk	rl	Pout	D
	6.3	0.4	315	285	-21	25.5	4.0	75,000	2.1	700	9,000	4.5W	15%

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 10 March 2008 {find valves by name}