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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: 1977/1978 | Category: Broadcast Receiver - or past WW2 Tuner | ||||
Semiconductors (the count is only for transistors) | 9: |
Main principle | Superheterodyne (common); ZF/IF 455/10700 kHz |
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Tuned circuits | 5 AM circuit(s) 7 FM circuit(s) |
Wave bands | Broadcast, Long Wave, Short Wave plus FM or UHF. |
Details | Cassette-Recorder or -Player |
Power type and voltage | Line / Batteries (any type) / 220 / 6 × 1,5 Volt |
Loudspeaker | Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical / Ø 10 cm = 3.9 inch |
Power out | 1.2 W (unknown quality) |
from Radiomuseum.org | Model: Derby Carrera 7.657.050 - Blaupunkt Ideal, Berlin, |
Material | Plastics (no bakelite or catalin) |
Shape | Portable set > 8 inch (also usable without mains) |
Dimensions (WHD) | 350 x 210 x 90 mm / 13.8 x 8.3 x 3.5 inch |
Notes | ICs: TA7137P, TA7208P. |
Net weight (2.2 lb = 1 kg) | 3.6 kg / 7 lb 14.9 oz (7.93 lb) |
Source of data | Handbuch VDRG 1977/1978 |
Mentioned in | -- Original-techn. papers. |
Model page created by Richard Winter. See "Data change" for further contributors.
All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim
Here you find 3229 models, 2899 with images and 2215 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.