The schematic for the chipamp is shown below in Figure and consists of just three resistors. This is very similar to the many gainclone amplifiers that have been constructed by DIYers. Pure silver wire is used for the input signal and heavy duty copper wire is used from the chip output to the speaker binding posts. Silver solder is used throughout.
CHIP AMP POWER SUPPLY
A schematic of the power supply is shown in Figure below. An RFI filter is used to clean the mains power. A 50VAC center tapped toroidal transformer rated at 160VA and an 8A rectifier bridge are used to supply about +/-35VDC. The huge red tanks are inexpensive electrolytic capacitors rated at 10,000 uF / 100V.
source:
http://diyaudioprojects.com/Chip/Synergy-LM3875-Gainclone/
http://www.chipamp.com/
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