CV424 @ The Valve Museum

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CV424

Sensibly equivalent^¶ to:

5894A 5894 CV2797 QQE06-40 QQV06-40

See also:

Inside the QQE03-20

Extras ▼

Unknown TNMoC The National Museum of Computing - Valves

The CV424 is a double beam tetrode transmitting valve based on the commercial QQV06-40 from Mullard.

The central column has the beam plates and common screen grid. The control grids are separate and mounted close to the central cathode.

Here the shape of the beam plate is clear and within can be seen the screen grid.

The wide glass tube envelope is 44 mm in diameter and, excluding the B7A base pins, is 104 mm tall.

Reference: Data-sheet.

Pin Connections

B7A	1	2	3	4	5	6	7	tc	tc
	h	g1(2)	g2	k,bp	hct	g1	h	a	a(2)

Absolute Maximum Operating Conditions^¶

Tetrode	Vh	Ah	Va	Vs	Vg	mAa	mAs	mAg	Pdriv	Pout	Pdiss	freq	f.max
	6.3	1.8	600	250	-80	200	18	7	3W	90	40W	275	486

Thanks to Frank Philipse for supplying the above PDF datasheet.

Updated July 21, 2019.

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