Antique radios, Old Time Radios
1A3
| Country: |
United States of America (USA) |
|
Brand: |
Common type USA |
| |
Tube type: |
Signal Diode - one single system Detector |
|
Tube ID = 4088 |
 |
| Identical to |
1A3 = DA90
|
|
| Base |
Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Za)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 1.4 Volts / If: 0.15 Ampere / -: Indirect / -: Series, AC/DC / |
| Description |
Used as detector tube in portable FM receivers and in portable high-frequency measuring equipment. Heater volts ac/dc 1.4, amperes 0.15.
|
| Tube prices |
0 Tube prices (visible for members
only)
|
| Literature |
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
|
|
|
| |
|
| |
Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
|
|
|
|
collection JR
Jacob Roschy
|
|
Telefunken Werkstattbuch
Wolfgang Bauer
|
|
Telefunken Taschenbuch 1971
Anonymous 15 Collector
|
|
|
| Usage in Models (calculation each 25th of the
month) |
1= 1943?? ; 1= 1951?? ; |
| Number of Models at Radiomuseum.org with
this tube (valve, valves, valvola, valvole,
válvula, lampe): 2 |
|
| No further Information
for |
1A3 |
|
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