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Function
- Ballast
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- Beam power amplifier
- Diode
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- Triode tetrode
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- Triple diode
- Triple diode triode
- Triple triode
- Tuning indicator
- Twin diode twin triode
- Twin pentode
- Voltage regulator
- Type
CV1064 / U14 / NU3
Beautiful boxed British Mil. Spec. CV1064 late 1930's production, English glass shape (big bottle) with black base, double black plates with bottom disc getter, manufactured in England for the British Navy. Upgraded version of U12 labelled AP.7403 / Valve wireless NU3/ CV1064 / 10E/11445 similar to DW4-500. Good for 120 mA up to 500 volts plate, filament: 2.5 ampere, 4 volts direct heated. Excellent for PX25, PX4 2A3 and more audio amplifier applications. Glass-etched MADE & PATENTED IN ENGLAND U14. One of the oldest vacuum tube in dBtubes store in pristine condition with original military box.
Data sheet
- Base
- 4 pin UX4
- Boite type
- 3/1
- Emplacement
- 28
- Quide
- 16554
- Fonction
- Full-wave rectifier
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