Gem 904
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Breville; Sydney: Gem 904 [Radio] ID = 2477487 1400x1050
Select picture or schematic to display from thumbnails on the right and click for download.
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| Year: 1951 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 4: 1R5 1T4 1S5 3V4 |
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| Main principle | Superheterodyne (common); ZF/IF 452 kHz; 2 AF stage(s) |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast only (MW). |
| Details | |
| Power type and voltage | Dry Batteries / 67.5 & 1.5 Volt |
| Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) |
| Power out | |
| from Radiomuseum.org | Model: Gem 904 - Breville; Sydney |
| Material | Bakelite or Plastics (type unknown) |
| Shape | Portable set > 8 inch (also usable without mains) |
| Dimensions (WHD) | 9.25 x 6.5 x 5 inch / 235 x 165 x 127 mm |
| Notes | Case in Burgundy, Cream & assorted pastel colours. Battery types used: (A) 1.5V Eveready 742 or Diamond 3742 & (B) 67½V Eveready Mini-Max 467 or Diamond 3467.
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| Net weight (2.2 lb = 1 kg) | 7 lb 8 oz (7.5 lb) / 3.405 kg |
| Price in first year of sale | 25.25 AUS £ |
| Circuit diagram reference | Australian Official Radio Service Manual Vol. X |
| Literature/Schematics (1) | Australian Official Radio Service Manual AORSM (Volume 10, 1952, Page 83.) |
Model page created by Stuart Irwin. See "Data change" for further contributors.
All listed radios etc. from Breville; Sydney
Here you find 452 models, 169 with images and 167 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
