Antique radios, Old Time Radios
SP60
Country:
United States of America (USA)
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Identical to |
SP60
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Similar
Tubes |
Different maximum ratings:
MU-X20
; MU-X30
; MU-X6
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Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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Was used by |
Radio/TV-reception etc. |
Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Battery = |
Description |
Tube specially designed as a "super power" amplifier type for use as the last audio stage of the Sonatron modular three tube resistance coupled amplifier. Bulb of this tube is gold/amber. It has an amplification factor of 6 and anode voltage of 90 - 135. Tube especially suitable for use where increased violume is required for dance music or amplification of weak signals over a long distance. The tube can be used in place of the MU-X6 as the last audio stage. This special purpose tube is an asset in securing faint signals with min imum interference. The tube is considered to be extremely rare.
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Information source |
- - Manufacturers Literature
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SP60: Fin Stewart
Fin Stewart
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Just Qvigstad
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