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| Identical to |
E180F = 6j9p = 6688 = CV3998 = CV6189
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| First Source
(s) |
Jul.1954 : Funkschau (FS) 1954 Heft 11
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| Base |
Noval, B9A
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| Was used by |
Technology / Measurement |
| 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.
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| Tube prices |
7 Tube prices (visible for members
only)
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Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
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IM
Iven Müller
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Ratheiser RTH,3.Aufl.,1964
Egon Penker
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Ratheiser RTH,3.Aufl.,1964
Egon Penker
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