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The Tonika-305 cassette recorder (USM-12) has been manufactured by Vilma Vilnius Instrument-Making Plant since 1975.
The tape recorder is made on the basis of the Vilma-303 tape recorder.
In contrast, it has a built-in 1GD-40 loudspeaker, a slightly larger output power, nominal 1.5, maximum 3 W, and when working with an external speaker, 3 and 5 W, respectively.
CVL has a detonation coefficient of 0.4%.
The operating frequency band of the recording and playback channel is 63 ... 10000 Hz.
Powered by AC.
Power consumption 30 watts.
The dimensions of the tape recorder are 360x210x110 mm, and its weight is 4 kg.