Antique radios, Old Time Radios
DD_Philips
|
Country:
Netherlands
|
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| Identical to |
DD_Philips
|
| Similar
Tubes |
Normally replaceable-slightly different:
D-III
; D3
; NERAS
|
| Production stop |
1920 |
| Predecessor Tubes |
NERAS
|
|
Successor Tubes
|
D-III
|
| Base |
Telefunken base 4 pin
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 3.5 Volts / If 0.5 Ampere / Direct / Battery = |
| Description |
This tube is probably a pre-production tube for the D-III (1920).
Anode 25-30 Volt.
|
Dimensions (WHD)
incl. pins / tip |
31 x 72 x 28 mm / 1.22 x 2.83 x 1.10 inch |
| Weight |
27 g / 0.95 oz |
|
DD_Philips: Funk, 1924 Heft15
Trev Levick
|
Just Qvigstad
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Collection of
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| Data Compliance |
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