With the aid of newly developed circuits that make it possible to control frequency, quality factor and gain independently, a universal frequency equalizer has been developed. With low distortion and good signal to noise ratio, with which any desired frequency characteristics in the range of 5 Hz to 64 kHz can be obtained.

Authors: Watari, Kiichiro; Ishii, Shinichiro; Takahashi, Kenichi
Affiliation: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD., STEREO DIVISION, OSAKA, JAPAN
AES Convention: 52 (October 1975) Paper Number: 1077
Publication Date: October 1, 1975

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