Antique radios, Old Time Radios
HL10
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Country:
Great Britain (UK)
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| Identical to |
HL10
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
Top contact with a cap.
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| Was used by |
Industrial |
| Filament |
Vf 4 Volts / If 1.25 Ampere / Indirect / Specified voltage AC/DC |
| Description |
High Voltage Control Tube. Aplications include its use as a contol tube or regulator for high voltage DC supplies and as a variable resistor for use at high DC votages. Operation of the tube can result in generation of X-rays which could cause possible injury from prolonged exposure at close range unless adequate shieldingis provided.
Va <20kV 1.5mA average. Pa <25W. -70V on Vg to cut off.
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Dimensions (WHD)
incl. pins / tip |
x 234 x 64 mm / x 9.21 x 2.52 inch |
| Information source |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature Ferranti 1956
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Just Qvigstad
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Collection of
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