Acoustic transducer STC-H721.02, CVAU.468739.045 is a product with a preamplifier, made in a sealed metal case for professional non-domestic use. It is designed to convert air sound vibrations into electric current vibrations and to amplify the electric signal modulated by sound for its transmission through a two-wire cable line to the line inputs of audio equipment.
Power supply of the built-in preamplifier of the STC-H721.02 product is carried out by direct current voltage of 12±2V from an external power supply.
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