The 25L6GT is a cousin of the very popular 6L6. It is designed for use in single ended audio stages within a 300 mA heater chain environment. As a single ended audio amplifier it can produce 4.3 Watts.

The wide glass envelope is 27 mm in diameter and, excluding the IO base pins, is 68 mm tall.

 
Pin Connections

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

 
Absolute Maximum Operating Conditions

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	25	0.3	200	110	-8	50	2	30,000	9.5	4.3W	10%

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 02 July 2007 {find valves by name}