- capacitor C1 regulates the low frequencies (bass), as the capacitance grows, the low frequncies are accepting louder.
- capacitor C2 regulates the college frequencies (treble), as the capacitance grows, the college frequencies are accepting quiter.
- this is a chic B amplifier, this means, that a accepted charge breeze through the end transistors, alike if there is no arresting on the input. This accepted can be adapted with the 500? trimmer resistor. As this accepted incrases, the complete of the amplifier gets better, but the end transistors are added heating. But if this accepted decrases, the transistors are not heating so much, but the complete gets worse