Antique radios, Old Time Radios
DM71
Country:
Europe
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Identical to |
DM71
= Y25
= 1M1
= 1N3
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Similar
Tubes |
Other base:
1M3
; DM70
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First year |
Aug.1953
Tube leaflet collection E.Erb Analysis by original leaflets [T8, Kat441, FS5304]
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Base |
Subminiatur-8, with space 1/8, B8D
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Filament |
Vf 1.4 Volts / If 0.025 Ampere / Direct / Battery = |
Description |
Neben Batterie- auch für Wechsel- und Allstrombetrieb geeignet.
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Tube prices |
6 Tube prices (visible for members
only)
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Information source |
Röhren-Taschen-Tabelle, (Franzis RTT)
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DM71: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
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DM71: rtt
Anonymous 10 Collector
More ...
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Just Qvigstad
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DM71: Valvo 1955
Robert Schmalstieg
More ...
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):386
Collection of
Collection of a member from FIN
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Forum contributions about this tube
DM71
Threads: 1 | Posts: 2
Hits: 3615 Replies: 1
DM71 : Differences to Dm70
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Michael Watterson
04.Dec.11
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1
It may be that DM70 and DM71 are indentical tubes with just the end wires all cut same length on DM71, but DM70 has all wires cut short except four left full size.
The data is identical.
So see DM70 operation. You can certainly cut DM70 wires to fit a DM71 socket or use a cut-up turned-pin IC socket to wire a DM71 into a DM70 location. The DM71 wires are really too short to safely solder directly.
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Emilio Ciardiello
04.Dec.11
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2
Michael,
yes, according to Ravalico and to other manuals, DM70 and DM71 just differ for the length of pins. DM70 had flying wires, to be soldered directly in the circuit, while DM71 was intended for use with a subminiature socket. Data are the same.
Emilio
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DM71
End of forum contributions about this tube
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