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alternative name
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Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934) | ||||
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Brand |
Rotstern | ||||
Year: 1969/1970 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
Semiconductors (the count is only for transistors) | 10: AF106 BF243 BF243 AF121 AF126 AF126 BC108 AC151 AC153 AC176 |
Main principle | Super-Heterodyne (Super in general); ZF/IF 460/10700 kHz |
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Tuned circuits | 7 AM circuit(s) 11 FM circuit(s) |
Wave bands | Broadcast, (BC) Long Wave (LW), 2 x SW and FM or UHF. |
Details | |
Power type and voltage | Dry Batteries / 6 × 1,5 Volt |
Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch |
Power out | 2 W (unknown quality) |
from Radiomuseum.org | Model: Derby de Luxe 7.659.700 - Blaupunkt Ideal, Berlin, |
Material | Modern plastics (no Bakelite or Catalin) |
Shape | Portable set > 8 inch (also usable without mains) |
Dimensions (WHD) | 281 x 193 x 79 mm / 11.1 x 7.6 x 3.1 inch |
Notes |
Bei Betrieb über Autohalterung HV580 oder HV600 aus 12-V-Autobatterie beträgt die Ausgangsleistung 3 W; |
Net weight (2.2 lb = 1 kg) | 2.8 kg / 6 lb 2.7 oz (6.167 lb) |
Price in first year of sale | 265.00 DM |
Collectors' prices | |
Source of data | Handbuch VDRG 1969/1970 / Radiokatalog Band 1, Ernst Erb |
Literature/Schematics (1) | -- Original-techn. papers. |
All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim
Here you find 3141 models, 2797 with images and 2130 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.