Catalog > Semiconductors > Integrated Circuits TCA740 IC D.C. Treble AMD Bass Stereo Control Circuit Part No: TCA740 64.40 ZAR inc for 1 Each (Quoting) Add to Cart Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Upply Voltage: Typical 15 V (range 13.5 V to 16.5 V) Supply Current: Typical 35 mA Control Range: ± 16 dB boost and cut for bass (at 40 Hz) and treble (at 16 kHz) Total Harmonic Distortion: 0.1% typical at 1 V output Channel Separation: 70 dB typical Operating Temperature: -30°C to +80°C