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The average audible frequency range is 20 to 20000 hertz but the value may vary from indiviual to indiviual. Young kids may have exactly this audible range but some elder peopâ¦le have lesser audible frequency range.
The Mid Range The Mid Range band of frequencies covers two octaves from 500 Hz to 2 kHz. This range can give a horn-like quality to instruments (500 Hz to 1 kHz) and a tinny sound (1 kHz to 2 kHz) or a telephone-like quality (all of the range). Equalization usually centers around 800 Hz and 1,.5 kHz.overing about 1.5 octaves, from 80 Hz to 250 Hz, this range of frequencies determines the fatness and fullness of the instrument's sound. Equalization is usually applied centered around two frequencies, 100 Hz and 200 Hz. For guitars and bass, the 100 Hz range tends to add body and fullness.