60W Guitar Amplifier

  
This design adopts a well established circuit topology for the power amplifier, using a single-rail supply of about 60V and capacitor-coupling for the speaker(s). The advantages for a guitar amplifier are the very simple circuitry, even for comparatively high power outputs, and a certain built-in degree of loudspeaker protection, due to capacitor C8, preventing the voltage supply to be conveyed into loudspeakers in case of output transistors` failure.
60W Guitar Amplifier - schematic

Bass, Treble, Harmonic modifier and Brightness controls Output power: 40W on 8 Ohm and 60W on 4 Ohm loads The preamp is powered by the same 60V rails as the power amplifier, allowing to implement a two-transistors gain-block capable of delivering ab



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