 |
| Identical to |
CV491
= B329
= ECC82
|
| Similar
Tubes |
12AU7 (Heater different)
7AU7 (Heater different)
CV4003 (other class quality (otherw. equal))
M8136 (other class quality (otherw. equal))
|
|
| Base |
Noval, B9A
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.15 Ampere /
Vf 12.6 Volts /
|
| Description |
Tapped heater also permits operation at 6.3V 0.3A.
Text in other
languages (may
differ)
|
| Dimensions (WHD) |
22 x 57 x mm / 0.87 x 2.24 x inch |
| Weight |
14 g / 0.49 oz |
| Literature |
- - Manufacturers Literature
- - -
- - -
- - -
|
|
|
|
|
|
ARRL Handbook 1972
Michael Schlör
|
|
|
