DK96 @ The Valve Museum

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DK96

Sensibly equivalent^¶ to:

1AB6 1C3 X25

See also:

Pentagrid Converters

Extras ▼

Elpico Valves Donated by Callum Goddard. Other DK96 exhibits

The DK96 frequency changer was designed for broadcast radio receivers. This Ferranti example was imported and carries the word Foreign on the envelope.

The dry battery valve portable radio was killed stone dead by the transistor radio in the mid 1960s.

Little internal detail is visible except for a glimpse of the outer wire grid..

The thin glass tube envelope is 18 mm in diameter and, excluding the B7G base pins, is 47 mm tall.

References: Data-sheet & ¹⁰⁴⁰. Type DK96 was first introduced in 1953. See also 1953 adverts.

Pin Connections

B7G	1	2	3	4	5	6	7
	f-	a	g2	g1	g4	g3	f+,g5

Absolute Maximum Operating Conditions^¶

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	1.4	0.025	85	68	0	0.6	0.14	1M	0.3

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated February 21, 2022.

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