Ritm-304 1988
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Since 1988, the subscriber loudspeaker "Rhythm-304" has produced the Gomel software of plastic products. AG is designed to play local wired broadcast programs. Mounted on a horizontal plane or suspended on a wall. Group of complexity 3 (GOST 5961-89). Rated voltage, V 30 (15). The working frequency range of the sound is 160 ... 10000 Hz with uneven frequency response of the sound pressure of 15 dB. 35 dB volume control range. The average sound pressure of 0.25 Pa. The module of input resistance is 5000 Ohms. The distortion factor is 2 ... 5%. Time between failures 17000 hours. Dimensions 193x191,5x65 mm. Weight 1 kg. The body of AG consists of two parts and a decorative front grille made of impact resistant polystyrene. Loudspeaker 0.5GD-42. The TAG-SH-4 transformer and the SPZ-30a-68 kOhm resistor, which is a volume control output to the wall of the AG. The loudspeaker was produced in a very wide color range with the same or white color of the decorative grille.
Documentation:
Information from collection of Valery Khartchenko