4/25/2023 0 Comments Audio power amplifier design![]() The major load for a power Amplifier is the Loud Speaker. In case of Audio Amplifier system, the load and the load driving capacity of the amplifier is an important aspect in construction. Also, in some cases, where tone control is needed, the tone control circuitry is added before Power Amplifier. ![]() Generally, before Power Amplifier, the signal is corrected using Pre Amplifiers and Voltage controls amplifiers. Generally, the Sound Amplifier system uses below topology shown in the block diagramĪs you can see in the above block diagram, Power Amplifier is the last stage which is directly connected to the load. In an amplifier chain system, the power amplifier is used at the last or final stage before the load. ![]() We will use an Operational Amplifier and two additional power transistors to deliver the 10 Watt output across the output load In this tutorial, we will build a 10W amplifier with an 8 Ohms impedance speaker connected to it.
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