| Ultra Coronation Twin | |
| Built 1953 |
| An AC/DC mains/battery powered AM superhet in a Bakelite/plastic cabinet measuring 195mm x 305mm x 135mm. | ![]() |
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| Wavebands : | Long Wave | 1160m-2000m | |
| Medium Wave | 190m-550m | ||
| Valves : Mazda | |||
| 1C2 | 1F3 | 1FD9 | 1P11 |
| Oscillator & Frequency Changer |
IF Amplifier | Detector, AGC & 1st AF |
AF Output |