 |
| Identical to |
CV4024
= M8162
|
| Similar
Tubes |
ECC81 (other class quality (otherw. equal))
CV455 (other class quality (otherw. equal))
12AT7 (other class quality (otherw. equal))
|
|
| Base |
Noval, B9A
|
| Was used by |
Military |
| Filament |
-: Indirect /
-: Parallel / series AC/DC /
If: 0.15 Ampere /
Vf 12.6 Volts /
|
| Description |
Special Quality version of the 12AT7. Heater is centre-tapped to permit operation in series at 12.6V or parallel at 6.3V. Designed for long life and shock resistant up to 500g and bulb temperatures up to 200 deg C.
|
| Literature |
-- Original-techn. papers.
|
|
|
|
|
|
Timo Tuunanen
|
|
ARRL Handbook 1972
Michael Schlör
|
|
|
