tone control
- a manual control used to adjust the relative responses of an amplifier to high, low, and intermediate audio frequencies.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
tone control
- a device in a radio, etc, by which the relative intensities of high and low frequencies may be varied
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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