645
DeWald Radio Mfg.: 645 [Radio] ID = 2429040 1400x1049
Select picture or schematic to display from thumbnails on the right and click for download.
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Pierce Airo | ||||
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| Year: 1939 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
| Valves / Tubes | 5: 6A7 6D6 6Q7G 25L6G 25Z5 M49F |
| Main principle | Superheterodyne (common); ZF/IF 456 kHz; 2 AF stage(s) |
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| Tuned circuits | 6 AM circuit(s) |
| Wave bands | Broadcast and Short Wave (SW). |
| Details | |
| Power type and voltage | AC/DC-set / 110-125 Volt |
| Loudspeaker | Electro Magnetic Dynamic LS (moving-coil with field excitation coil) / Ø 12.5 cm = 4.9 inch |
| Power out | |
| from Radiomuseum.org | Model: 645 - DeWald Radio Mfg. Corp., |
| Material | Wooden case |
| Shape | Tablemodel without push buttons, Mantel/Midget/Compact up to 14 |
| Dimensions (WHD) | 335 x 203 x 160 mm / 13.2 x 8 x 6.3 inch |
| Notes | BC (540-1725kHz) and SW (6.0-18.5MHz) bands. Dial lamp: #51 mazda (7.5V/0.22A). |
| Net weight (2.2 lb = 1 kg) | 3.8 kg / 8 lb 5.9 oz (8.37 lb) |
| External source of data | Ernst Erb |
| Source of data | Collector's Guide to Antique Radios 4. Edition |
| Circuit diagram reference | Rider's Perpetual, Volume 9 = 1938 and before |
| Mentioned in | The Radio Collector's Directory and Price Guide 1921 - 1965 |
| Literature/Schematics (1) | Machine Age to Jet Age II |
| Literature/Schematics (2) | Table Top Radios Vol. 4 Stein 2003 |
All listed radios etc. from DeWald Radio Mfg. Corp., Pierce Airo Inc.
Here you find 424 models, 191 with images and 327 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
