Antique radios, Old Time Radios
3B/850A
|
Country:
Great Britain (UK)
|
|
| Identical to |
3B/850A
= 4242A
|
| Similar
Tubes |
Normally replaceable-slightly different:
242A
; M-4242A
|
| Base |
Jumbo 4-pin bayonet (1918)
|
| Was used by |
Transmittertube (Radio) |
| Filament |
Vf 10 Volts / If 3.25 Ampere / Direct |
| Description |
STC proprietary code for 4242A transmitting triode. Thoriated-tungsten filament, 85 W plate power dissipation, 6 MHz full ratings.
Equivalent to 242A.
|
Dimensions (WHD)
incl. pins / tip |
x 204 x 59 mm / x 8.03 x 2.32 inch |
| Weight |
160 g / 5.64 oz |
| Information source |
- - Manufacturers Literature STC 1947 catalog, 1945 data sheet
Babani, International Radio Tube Encyclopaedia p-.172 & 173
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
|
|
3B/850A: Fin Stewart
Fin Stewart
|
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 |
|
|
|
