A transistorized car radio built by Blaupunkt for 12-volt negative-earth vehicle systems, featuring multi-band reception and compact dimensions.
Overview
The Blaupunkt Sultan Model 2320 is a car radio manufactured by Blaupunkt. It operates on a 12 V DC power supply with negative earth, designed for installation in automobiles of the period. The unit supports reception across longwave, mediumwave, and shortwave bands, using a combination of built-in ferrite rod and telescopic aerials. With dimensions of 180 mm wide, 130 mm high, and 150 mm deep, and weighing 2.5 kg, it reflects the transition from valve-based to solid-state automotive electronics.
Specifications
| Frequency range | LW 150-350 kHz, MW 520-1600 kHz, SW 5.95-6.2 MHz, 9.5-9.775 MHz, 11.7-12 MHz |
| Power supply | 12 V DC, negative earth |
| Dimensions | 180 mm wide, 130 mm high, 150 mm deep |
| Weight | 2.5 kg |
Design
The radio uses 8 transistors and 5 diodes in its solid-state design. It includes a built-in ferrite rod aerial for longwave and mediumwave reception, and a telescopic aerial for shortwave bands.
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