car radio amplifier

elektor electronics november 1985 by J Barendrecht car radio amplifier Since most of the popular types of car radio, many of which are combined with a cassette player, sadly lack in output power, there has been a growing demand for a reasonably priced power amplifier that can be fitted easily in most cars. The unit proposed here is a stereo amplifier that can deliver up to 2x13 watts true r.m.s. 46 A power amplifier designed for use in cars can, of course, not be compared with a domestic hi-fi unit, because the environ- ments in which they are used are totally dif- ferent. Space, of course, plays a large part in this: after all, most living rooms offer rather more space for a music unit than cars. Moreover, the noise level inside a car - even medium-priced models - is con- siderably higher: this is particularly noticeable during the quieter music passages, or when the radio announcer drops his or her voice (which they always do) to tell you about the next item. What power? The p...