amp/BTL-capable power amplifiers which are usually bulky, full-width units. Fully-balanced design By employing a fully-balanced circuit design from the input section to the output stage, the AP-505 keeps the audio signal as unadulterated as possible as it moves through the amplifier, the result Sep 23, 2020 · HI FI 32W Audio Amplifier – TDA2050 – Simple PS + PCB. The circuit given here is of 32 Watt amplifier using the famous TDA2050V IC from ST Microelectronics. The amplifier is built around a single integrated circuit, the TDA2050V thats is an integrated monolithic 32 Watt class AB audio amplifier IC available in the Pentawatt package.