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Entries found for search: HX/HX pro

HX/HX Pro : Headroom eXtension. A special circuit developed by Dolby Labs to reduce the tendency in cassette recorders toward self-erasure. In magnetic tape recording, loud, high frequencies in the signal look like bias to the tape which will tend to erase the signal as it is being recorded. The effect is called high frequency compression. The HX Pro system senses the level of high frequencies and reduces the level of bias dynamically. hybrid amplifier



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