The EL85 appears to be the little brother of the EL84 pentode. It is specified for single ended audio applications with a load resistance 9000 Ohms. This could be used in radio or television receivers.

The thin glass tube envelope is 20 mm in diameter and, excluding the B9A base pins, is 58 mm tall.

 
Pin Connections

B9A	1	2	3	4	5	6	7	8	9
	g1	g1	k	h	h	g3	a	g3	g2

 
Absolute Maximum Operating Conditions

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	6.3	0.2	225	225	-10.8	26	41	90k	3.2	2.8W	12%

Thanks to Frank Philipse for supplying the above datasheet

This exhibit was last updated on 11 July 2007 {find valves by name}