This is a design circuit for transducer amplifier circuit diagram. Here’s the figure of the circuit;
In this circuit, Pins 9 and 15 are not connected. Connect the other pins as shown. Capacitors on the supply (470uF and 0.1uF) need to be close to the IC. Keep in mind that the electrolitic capacitors have polarity (see top one). Although the amp outputs and speakers have polarity as well, it does not make a difference how you connect them, as transducers are on separate areas anyway, so do not cancel. The 1uF input coupling capacitors make a high-pass filter with the output amplifier’s 30k input resistance at about 5Hz.
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