Antique radios, Old Time Radios
CV1664
Country:
Great Britain (UK)
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Identical to |
CV1664
= AR13
= 4020A
= 4631
= R87
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Similar
Tubes |
Other shape (e.g. bulb type):
3A/108A
Normally replaceable-slightly different:
CV1311
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Base |
UV-Base (4 Pins+Bayonet, USA 1914 WE)
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Was used by |
Telephony |
Filament |
Vf 4 Volts / If 0.25 Ampere / Direct |
Description |
190V max anode voltage, 2.2mA/V mutual conductance, gain 12.
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Dimensions (WHD) incl. pins / tip |
57 x 114 x mm / 2.24 x 4.49 x inch |
Weight |
65 g / 2.29 oz |
Information source |
Taschenbuch zum Röhren-Codex 1948/49
-- Original-techn. papers.
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CV1664: Manufacturer's Literature
Emilio Ciardiello
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Just Qvigstad
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Collection of
Collection of a member from FIN
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