Antique radios, Old Time Radios
UM81
|
Country:
Europe
|
|
| Identical to |
UM81
= 19DA5
|
| Similar
Tubes |
Normally replaceable-slightly different:
UM80
|
| Predecessor Tubes |
UM34
|
|
Successor Tubes
|
UM84
|
| Base |
Noval, 9 pin miniature (USA pico-9) B9A
|
| Filament |
Indirect / Specified current AC/DC ~ = (Series working) |
| Tube prices |
2 Tube prices (visible for members
only)
|
|
UM81: RTT Schwandt
Günther Stabe † 19.8.20
|
Just Qvigstad
|
|
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11
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 |
|
|
|
