Antique radios, Old Time Radios
2V/531E
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Country:
Great Britain (UK)
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| Identical to |
2V/531E
= CV1420
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| Similar
Tubes |
Normally replaceable-slightly different:
4078A
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| Predecessor Tubes |
4078A
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| Base |
Top contact with a cap.
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| Was used by |
Telephony |
| Filament |
Vf 5 Volts / If 20 Ampere / Direct |
| Description |
Designed for use in telephone exchange power supplies.
Va <20kV piv; Ia <2.5A mean (Can be increased to 5A if filament is driven in quadrature with Va)
Replaces the 4078A.
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Dimensions (WHD)
incl. pins / tip |
95 x 412 x mm / 3.74 x 16.22 x inch |
| Weight |
900 g / 31.75 oz |
| Information source |
- - Manufacturers Literature
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Collection of
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