6L7 @ The Valve Museum

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6L7

Sensibly equivalent^¶ to:

ARH1 CV1951 X64

See also:

Neotron 6L7 Box

Extras ▼

Neotron G8LSD Valve Collection Other 6L7 exhibits

This exhibit is still sealed in the original box. It is of French manufacture but the 6L7 heptode is an American design.The 6L7 was designed to ensure maximum isolation between oscillator and signal, and to provide a mixer which is efficient at VHF.

The envelope is mm in diameter, and excluding the base pins is mm tall.

References: Data-sheet, ¹⁰⁴⁰ & ¹⁰⁴³. Type 6L7 was first introduced in 1936. See also 1936 adverts.

Pin Connections

IO	1	2	3	4	5	6	7	8	tc
	m	h	a	g2,g4	g3	nc	h	k	g1

Absolute Maximum Operating Conditions^¶

Heptode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	150	-6	3.3	8.3	1M	0.35

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated January 06, 2022.

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