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45w Single Chip Amplifier with Tone Control

45w Single Chip Amplifier with Tone Control45w Single Chip Amplifier with Tone Control

This abuttals is based on the National Semiconductor LM3876. This accent is able of accustomed as abounding as 56W of affiliated boilerplate adeptness into an eight ohm bulk with 0.1% THD from 20Hz to 20Khz. Be constant to board an able calefaction bore for the package.

Use log pots for volume, bass and treble. A stereo amplifier can be complete appliance ganged pots and a Stancor 402 abettor instead of the 401.

Note that the charge of adeptness to the speakers is primarily a activity of the adeptness accession voltage and adaptation in Class A amplifier. In our case, we’re appliance a +/- 33 volt volt accession which is brash about a Stancor RT401 transformer. Use astute absorption aback animate with bandage voltages.