Antique radios, Old Time Radios
Leuchtquarz
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Country:
Germany
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| Identical to |
Leuchtquarz
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| Description |
Actually not a vacuum tube but a crystal resonator in a glass bulb filled with low pressure neon or a mixture of similar gases
Due to the presence of the gas molecules, the crystal lights up at the resonance, thus indicating the activity of the oscillator controlled by it, or even the application of external signals to its resonance frequency.
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Collection of
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on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
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