bass boost circuit
Source: InternetPublisher:newrudeman Keywords: Power supply other power supply circuits operational amplifiers Updated: 2021/06/20
The speaker's poor bass response is compensated for using an external series RC circuit between pins 1 and 5 and the op amp's internal 151K resistor in parallel. If the resistor is 15K, and the minimum value for stable operation is 10K, you can get 6 decibels of effective bass enhancement.
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