Antique radios, Old Time Radios
1S5
Country:
United States of America (USA)
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Brand:
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Tube type: |
Diode-Pentode Audio Frequency |
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Identical to |
1S5
= DAF91
= ZD17
= 1B2_1S5
= M2462-420
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Similar
Tubes |
Normally replaceable-slightly different:
1S5-SF
Other class quality (otherwise equal):
CV784
; VT-172
Heater different:
1S5T
Different connections:
1U5
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First Source
(s) |
13.Nov.1939 : Electron Tube Registration List
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Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zs)
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Filament |
Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery = |
Description |
Miniature type used in light-weight, compact, portable, battery-operated receivers as combined detector and voltage amplifier. Filament 1.4 volts, 0.05 amperes.
The 1U5 has the same electrical characteristics but it uses an improved structure which greatly reduces any tendency toward microphonic effects. In addition, the diode unit is effectively shielded from the pentode unit to prevent "play-through". They are not interchangeable since pin allocation is completely different
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Tube prices |
4 Tube prices (visible for members
only)
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Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
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1S5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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1S5: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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1S5: Manufacturer's Literature
Emilio Ciardiello
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1464
Collection of
Collection of a member from D Collection of a member from FIN
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