Subscriber loudspeaker '' Tula ''.

Subscriber loudspeakers.DomesticThe subscriber loudspeaker "Tula" has been produced since 1949 by the Tula plant Oktava. Tula operates on a 15 or 30 volt broadcast network. Its main difference from other subscriber receivers of this type is the loudspeaker itself, all the mechanical and electrical part of which is located inside the diffuser. The loudspeaker reproduces a frequency range of 150 ... 4500 Hz with an input power of about 100 mW and develops a sound pressure of 3 bar. Distortion factor 7%.