Antique radios, Old Time Radios
1R5
Country:
Worldwide
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Brand:
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Tube type: |
Pentagrid-Converter (Heptode) Frequency converter Controlling (mu) |
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Identical to |
1R5
= DK91
= 1А1П
= VT-171
= X17
= 1A2_1R5
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Similar
Tubes |
Other class quality (otherwise equal):
CV782
Heater different:
1H33
; 1R5T
; 400A_WE
; 400B_WE
Other base:
1R5_Loktal
; VT-171A
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First year |
1940
Tube leaflet collection E.Erb Analysis by original leaflets
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First Source
(s) |
13.Nov.1939 : Tube Lore (I)
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Predecessor Tubes |
1A7G
1LA6
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Base |
Miniatur-7-Pin-Base B7G, USA 1940
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Filament |
Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery = |
Description |
Typ Va=90, Ia=1.6mA, gc=0.3. (Ferranti Literature)
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Tube prices |
3 Tube prices (visible for members
only)
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Information source |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
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1R5: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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1R5: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
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Just Qvigstad
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1R5: Brimar Manual No. 7
Daniel Consales
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2595
Collection of
Collection of a member from D Collection of a member from FIN
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