Antique radios, Old Time Radios
U77
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Country:
Great Britain (UK)
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| Identical to |
U77
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| Similar
Tubes |
Normally replaceable-slightly different:
5AR4
; GZ34
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 1.9 Ampere / Direct |
| Description |
<1.5kV PIV, <750mA peak each anode. <60µF reservoir Capacitance.
With 400-0-400 rms input Vout=430 at 250mA maximum.
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Dimensions (WHD)
incl. pins / tip |
38 x 86 x mm / 1.50 x 3.39 x inch |
| Information source |
- - Manufacturers Literature April 1961
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| Tube Tester Data |
Avo CT160 |
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Just Qvigstad
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| Data Compliance |
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