CV1955 @ The Valve Museum

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CV1955

Sensibly equivalent^¶ to:

CV138 EF91

Extras ▼

Unknown Proforma entries

The CV1955 is an HF pentode essentially a version of the special quality EF91. The prototypes were the CV4014 and CV138.

Reference: Data-sheet.

Pin Connections

B7G	1	2	3	4	5	6	7
	g1	k	h	h	a	g3	g2

Absolute Maximum Operating Conditions^¶

Pentode	Vh	Ah	Va	Vs	Vg	mAa	mAs	ra	gm
	6.3	0.3	250	250	-2	10	2.5	1M	7.6

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated November 23, 2017.

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