Antique radios, Old Time Radios
QQV07-40
| Base |
Septar (1+6 pins)
2 Top contacts.
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| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 12.6 Volts / If 1.25 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Dual tetrode for use up to 250 MHz.
Pa <20W per anode.
Centre-tapped heater for use at 6.3V
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Dimensions (WHD)
incl. pins / tip |
x 105 x 58 mm / x 4.13 x 2.28 inch |
| Weight |
100 g / 3.53 oz |
| Information source |
- - Manufacturers Literature
Universal Vade-Mecum, Electron Valves and Semiconductor Devices Section 478, p. 1040
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QQV07-40: Mullard data sheet
Bruce Taylor
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Collection of
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