Sorry, this page is not translated yet. Automatic translation used.
The radio constructor "Start-7175" (Amplifier of tape recorder playback) since 1984 was produced by the Kamenets-Podolsk plant "Elektropribor". RK 'is intended for children of senior school age and for radio amateurs. It allows you to assemble a playback amplifier for a stereo tape recorder, which is designed for frequency correction and amplification of the signal coming from the reproducing head to a value sufficient to be fed to the line input of a low frequency power amplifier. The amplifier can be used in the manufacture and modernization of tape recorders of various classes. With the use of an amplifier, you can also assemble a tape recorder. Technical parameters: Sound frequency range at a speed of 19.05 cm / s - 40 ... 18000 Hz. Nonlinear distortion 0.2%. The nominal output voltage at a frequency of 1 kHz with a input voltage of 1 mV is 250 mV. The noise level is -56 dB. The supply voltage is 12 ... 18 V. The dimensions of the board are 40x80x130 mm. Weight 150 g