Audio power ics st tda2030av hi fi audio power amplifier 18w output power 8r load impedance class ab amplifier class 6v to 36v supply voltage pentawatt case the tda2030 provides high output current and has very low harmonic and cross over distortion further the device incorporates an original short circuit protection system comprising an arrangement for automatically limiting the dissipated power so as to keep the working point of the output transistors within their safe operating area