Subscriber loudspeaker "Derbent".
Subscriber loudspeakers.DomesticSince 1989, the subscriber loudspeaker "Derbent" has been produced by the Derbent plant "Radioelement". The subscriber souvenir loudspeaker "Derbent" is designed to work in radio transmission wire networks, with a voltage in the line of 30 V. AG consumes power of 150 mW. The frequency range is 250 ... 4000 Hz. The AG has a volume control included at the input of the transformer. The plant produced AG - "Derbent" in several design options.
