| Country: Great Britain (UK) | Manufacturer/Brand: McMichael Ltd., Slough |
| Year: 1932 ? | Type: Radio or Tuner |
| Valves / Tubes | 4: 215SG HL2K HL2K PM22A |
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| Principle | TRF with reaction (regenerative); 2 AF-stage(s) |
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| Tuned circuits | 2 AM circuit(s); |
| Wave bands | Broadcast (MW) and Long Wave. |
| Power type and voltage | Batteries (storage and/or dry) / 2 / 126 Volt |
| Loudspeaker/pwr.out | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / 0.3 W / Ø 12.7 cm = 5 inch |
| from Radiomuseum.org | Model: Duplex four SMC |
| Material | Leather / canvas / plastic - over other material |
| Shape | Portable, e.g. Portable Radio (with or without mains > 8 inch). |
| Dimensions (WHD) | 390 x 220 x 380 mm / 15.4 x 8.7 x 15 inch |
| Notes | This is a leathercovered suitcase model. The lid of the case contains the frame aerial and the loudspeaker. |
This model was suggested by Walter Knutsen.
All listed radios etc. from McMichael Ltd., Slough
Here you find 127 models, 24 with images and 67 with schematics.
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Hits: 273 Replies: 0
mcmichael: SMC (S); Duplex four
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Claus Kunze
20.Jul.07 |
1
In der Zeitschrift "The Wireless & Electrical Trader" v.15.April 1938 wird die Mazda 220 als Endröhre angegeben |
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Konrad Birkner
20.Jul.07 |
2
Danke, aber bitte auf genaue Angaben achten. |