Antique radios, Old Time Radios
QV04-20
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Country:
Great Britain (UK)
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| Identical to |
QV04-20
= 815
= QQV04-20
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
2 Top contacts.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 12.6 Volts / If 0.8 Ampere / Indirect |
| Description |
VHF power dual tetrode. Intended for use as RF oscillator or amplifier well above 100 MHz as well as audio amplifier in modulator stages.
QV04-20 looks identical to QQV04-20 / 815. Probably coded to older coding rules.
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Dimensions (WHD)
incl. pins / tip |
x 116 x 59 mm / x 4.57 x 2.32 inch |
| Information source |
Babani, International Radio Tube Encyclopaedia p. 242 & 243
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QV04-20: Mullard Power valves for industry and communications
Achim Dassow
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Just Qvigstad
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QV04-20: Mullard Power valves for industry and communications
Achim Dassow
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