 |
| Identical to |
CV4003
= 6189
= 12AU7WA
= M8136
|
| Similar
Tubes |
ECC82 (other class quality (otherw. equal))
12AU7 (other class quality (otherw. equal))
CV491 (other class quality (otherw. equal))
|
|
| Base |
Noval, B9A
|
| Was used by |
Military |
| Filament |
-: Indirect /
-: Parallel, (AC/DC) /
If: 0.3 Ampere /
Vf 6.3 Volts /
|
| Description |
Special Quality tube for critical applications.
|
| Literature |
- - Manufacturers Literature
|
|
|
|
|
|
RFJ
Roy Johnson
|
|
ARRL Handbook 1972
Michael Schlör
|
|
|
