Antique radios, Old Time Radios
PD220_Mazda
|
Country:
Great Britain (UK)
|
|
| Identical to |
PD220_Mazda
|
| First Source
(s) |
22.Nov.1935 : Wireless World (The), London (WW, 79)
|
| Base |
British-7-Pin, old (M7A)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 2 Volts / If 0.2 Ampere / Direct / Battery = |
| Description |
Designed for class B operation. With Va=100 and -Vg=0, Ia=1mA and Gm=0.9mA/V.
|
Dimensions (WHD)
incl. pins / tip |
45 x 110 x mm / 1.77 x 4.33 x inch |
| Information source |
- - Manufacturers Literature 1938 data sheet.
History of the British Radio Valve to 1940 p. 149 & 167
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
|
|
PD220_Mazda: own collection
Peter den Boer
|
Just Qvigstad
|
PD220_Mazda: own collection
Peter den Boer
More ...
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3
Collection of
|
|
|
|
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 |
|
|
|
