Antique radios, Old Time Radios
U77
|
Country:
Great Britain (UK)
|
|
| Identical to |
U77
|
| Similar
Tubes |
Normally replaceable-slightly different:
5R4
|
| Base |
Octal (Int.Octal, IO) K8A, USA 1935
|
| 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.
|
Dimensions (WHD)
incl. pins / tip |
38 x 86 x mm / 1.50 x 3.39 x inch |
| Information source |
- - Manufacturers Literature April 1961
|
|
|
|
Just Qvigstad
|
|
|
|
|
|
You reach this tube or valve page from a search
after clicking the "tubes" tab or by clicking a tube
on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
| Data Compliance |
More Information |
|
|
|
