The 30W Amp OTL by TDA2030 +Transistor TIP41 + TIP42 or
TIP31 + TIP32 or BD907 + BD908 is easy to build, and very inexpensive.
To use Power Supply 24V at 2A.
IC TDA2030 and Transistor :BD908, BD907 must be mounted on heatsink.
Can be directly connected to CD players, tuners and tape recorders.

Circuit 30W Amp OTL by TDA2030 +Transistor

PCB 30W Amp OTL by TDA2030 +Transistor

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