 |
| Identical to |
1609
|
| First Source
(s) |
1937 : Tube Lore, Sibley, USA 1996
|
| Production stop |
1961 |
| Successor Tubes |
1620
|
|
| Base |
UY-Base, 5 Pins (USA, April 1927) (Codex=Hy)
|
| Was used by |
Technology / Measurement |
| Filament |
-: Direct /
-: Battery = /
If: 0.25 Ampere /
Vf 1.1 Volts /
|
| Description |
Low-microphonic amplifier.
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
- - Manufacturers Literature
|
|
|
|
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez
|
|
|
