CV2179 @ The Valve Museum

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CV2179

Sensibly equivalent^¶ to:

A2134 CV4062 E2134

See also:

N78 and N37 et al - Series Stabiliser Valves Advert

Extras ▼

GEC G8LSD Valve Collection Other CV2179 exhibits

CV2179 is the UK Government procurement designation for the commercial A2134 pentode.

The literature shows that it is designated as an audio power valve and as a series pass valve in voltage stabilising circuits.

In class AB1 a pair of valves in push pull will deliver 13.3 Watts. The input needs 30 Volts peak to peak and the anode load has to 7500 Ω.

In class A triode application the valve will generate 2.6 W at 1.4% distortion.

The KB/Z identifies this valve as being made to specification K1001 or K1006, the B denotes qualification by a UK authority and the Z identifies the maker as MO Valve Company, Hammersmith.

The thin glass tube envelope is 18 mm in diameter and excluding the B7G base pins the length is 62 mm.

References: Data-sheet & ¹⁰⁴⁰. Type CV2179 was first introduced in 1955. See also 1955 adverts.

Pin Connections

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	k	g2

Absolute Maximum Operating Conditions^¶

Pentode	Vh	Ah	Va	Vs	mAa	mAs	Pout	D
	6.3	0.635	250	165	40	12	2.3W	4.5%

PDF scanned from an original document held by the museum

Updated January 21, 2026.

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