CV3998

Country:	Great Britain (UK)		Brand:	Common production Great Britain
			Tube type:	Vacuum Pentode clamp grid Universal

Tube ID = 27862


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Identical to	CV3998 = E180F

Base	Noval, B9A
Was used by	Military and/or Government
Filament	Vf 6.3 Volts / If: 0.3 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	Special Quality Valve. RF Pentode with gm of 16.5. Triode connected, it achieves gm of 21mA/V. Specied by UK's General Post Office.
Literature	-- Original-techn. papers.

Private collection
Emilio Ciardiello

rtt
Michael Schlör

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CV3998

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