History of the manufacturer
Pacific Radio Exchange; San Francisco, CA
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| Name: | Pacific Radio Exchange; San Francisco, CA (USA) |
| Abbreviation: | pacif-raex |
| Products: | Model types |
| Summary: |
Pacific Radio Exchange In a November 1922 Radio magazine advertisement they offered a line of individual box sets that could be strung together to form a complete radio. |
| History: |
Some models:
| Country | Year | Name | 1st Tube | Notes |
|---|---|---|---|---|
| USA | 34 | Spero Super | 58 | Push-pull af output stage. |
| USA | 34 | Spero Four | 58 | |
| USA | 22 | Paradex Audio Frequency Amplifier | UV201 | Pacific Radio Exchange offered a line of little "box" sets that could be strung together t... |
| USA | 22 | Paradex Radio Frequency Amplifier | UV201 | Pacific Radio Exchange offered a line of little "box" sets that could be strung together t... |
| USA | 22 | Paradex Tuner | Pacific Radio Exchange offered a line of little "box" sets that could be strung together t... | |
| USA | 22 | Paradex Detector | Pacific Radio Exchange offered a line of little "box" sets that could be strung together t... | |
| USA | 20 | Paradex Compass Coil |
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| Data Compliance | More Information |