This Audio power Amplificator will deliver 80 watt of audio into an 8 Ohm load. The LM3875 IC devices should be suitably heatsinked. Note that the amplifier is a bridged circuit, with both speaker leads “hot”.
Note:
You should use supply Voltage about +/- 25Volt at do not lower 2-3A.
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That is, a single integrated circuit based on an operational amplifier (op amp) on a single substrate of silicon. The LM3875 is the “weapon of choice”. View This Circuit This great chip, is a little larger than the size of a thumbnail and can deliver up to 56W RMS continuous with 100W peaks and it [...]
The Beast is a LM3875 Chip Amplifier, built from a popular chipamp kit. I’m hard to please and always looking for new things to try in audio. If it involves a DIY project, all the better. Mark and Gio had been after me to try a chipamp for some time. I really didn’t need any [...]
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