Loudspeaker construction kit.

Radio and electrical constructors, sets.Sound reproductionSince 1986, the Loudspeaker design set has been produced by the Nalchik semiconductor device plant. The construction kit is intended for the development of working and radio amateur skills in children of secondary school age. On the basis of a set of plastic housing parts and accessories, you can assemble a working subscriber loudspeaker. Characteristics of the assembled loudspeaker: Nominal voltage supplied to the input (plug) of the loudspeaker is 30 V. Input impedance is 6 kOhm. The range of reproducible sound frequencies is 250 ... 5000 Hz. Loudspeaker dimensions 56x100x200 mm. Weight 0.6 kg. SOI 5%. The length of the connecting wire is 1.6 m. The constructor was produced in several versions of structural and external design.