Radios antiguas y Radios de Colección
1681
|
País:
Estados Unidos
|
|
| Idéntica a |
1681
|
| Válvulas similares |
Other class quality (otherwise equal):
6AQ5
|
| Fuente principal
(es) |
1950 : Tube Lore (I)
|
| Fin producción |
1952 |
| Usada en |
Technology / Measurement |
| Filamento |
Vf 6.3 Volt / If 0.45 Ampere / Indirect / Specified voltage AC/DC |
| Descripción |
Beam power amp., modified 6AQ5. Had special control grid and tungsten heater wire in place of "Dowmo". Tested for zero-bias plate current, cutoff, shorts, and life. Sold only to IBM. Intro. 1950; withdrawn 1952. (IBM reportedly got better quality w/ GE and TS tubes.) Tubes were to be etched "6AQ5," and branded w/ "IBM" and probably w/ IBM part no. 300706. [Information by L. Sibley]
|
|
1681: ARRL Handbook 1972
Anónimo 10 Coleccionista
|
|
|
|
|
|
|
[rmxtube-en]
| Cumplimiento de datos |
Más información |
|
|
|
