L410 @ The Valve Museum

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L410

Sensibly equivalent^¶ to:

410LF CV1152 NR15A PM4DX

See also:

The Azide Process - M-OV NR15A Box - CV1151 short entry - CV1152 short entry

Extras ▼

M-OV The Liverpool Collection

The L410 from GEC is a triode receiving valve for audio amplification and output. The output is small at 70 mW.

Also on the envelope is the type marking NR15A and admiralty pattern 7404A.

The reverse side of the envelope has the identification of the maker - MO Valve. (M-OV).

The dome carries the commercial identification of L410.

The balloon envelope is 46 mm in diameter and, excluding the B4 base pins, is 88 mm tall.

References: Data-sheet & ¹⁰⁴³. Type L410 was first introduced in 1929. See also 1929 adverts.

Pin Connections

B4	1	2	3	4
	a	g1	f	f

Absolute Maximum Operating Conditions^¶

Triode	Vh	Ah	Va	Vg	mAa	ra	gm
	4.0	0.1	150	-4.5	3.9	8,500	1.76

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated April 04, 2015.

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