Tasel

Very small amplifier witch can provide 7W/4Ohm output. This circuit, although have small output, but capable to produce output with low total harmonic and cross-over distortion and work at 20Hz to 20kHz. The circuit using IC TDA2003 as main component.

Circuit Parts
R1________________470R
R2________________47R
R3________________100R
R4________________1R
C1________________1822pF
C2________________100nF-63V
C3________________100nF-63v
C4________________10uF-25V
C5________________470uF-25V
C6________________1000uF-35v
C7________________1000uF-35V
IC1_______________TDA2003

[source:ExtremeCircuit]