| Country: United States of America (USA) | Manufacturer/Brand: Interocean Radio Corp., Zenith Radio Corp |
| Year: 1939 ?? | Type: Radio or Tuner |
| Valves / Tubes | 4: 6E7 6D7 43 25Z5 |
|---|
| Principle | TRF without reaction (non reg.dir.receiver); 1 AF-stage(s) |
|---|---|
| Tuned circuits | 2 AM circuit(s); |
| Wave bands | Broadcast only (MW). |
| Power type and voltage | AC/DC-set / 105-115 Volt |
| Loudspeaker/pwr.out | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) |
| from Radiomuseum.org | Model: 204 |
All listed radios etc. from Interocean Radio Corp., Zenith Radio Corp
Here you find 19 models, 1 with images and 19 with schematics.