Wiring Schematic diagram

Short schema protection, 94dB supply rejection ratio, thermal protection, S/N ratio in excess of 100dB, Open loop gain typically 90dB and 70mA quiescent current, LM1875 is great enough to give you good audio performmance. This power IC will amplify the audio signal up to 30W output power.

Component part list

R1 _____________ 1K R2 _____________ 1M R3 _____________ 22K R4 _____________ 10K R5 _____________ 180K R6 _____________ 1R IC1 ____________ LM1875

C1 _____________ 1uF 50V C2,6 ___________ 100nF C3 _____________ 22uF 63V C4 _____________ 0.22uF C7,5 ___________ 220uF 50V Miscellaneous: Fuse holder & cover 2 amp fuses

Visit this 25W Power Amplifier page for detail explanation