N14 @ The Valve Museum

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N14

Sensibly equivalent^¶ to:

1C5G CV1803 DL35

Extras ▼

Osram G8LSD Valve Collection Other N14 exhibits

The Osram N14 is an octal based audio output beam tetrode for use with dry batteries it is identical to the 1C5G.

The oval anode is left bright in this low power valve.

The Osram label.

The wide glass tube envelope is 30 mm in diameter and, excluding the IO base pins, is 74 mm tall.

References: Data-sheet, ¹⁰⁴⁰ & ¹⁰⁴³. Type N14 was first introduced in 1940. See also 1940 adverts.

Pin Connections

IO	1	2	3	4	5	6	7	8
	nc	f+	a	g2	g1	nc	f-	nc

Absolute Maximum Operating Conditions^¶

Beam Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm	Pout	D
	1.4	0.1	110	110	-7.5	7.8	3.5	110k	1.55	0.24W	10%

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated January 03, 2022.

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