My new computer needed a compact amplifier to drive the PC loudspeakers. After some thought, I came up with a design to compliment my Audax mini-monitors using the LM4780.
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Front view of the finished amplifier and outboard power supply
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A closer look at the amplifier...
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...and the power supply
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This "stacked" view showing they are almost the same size as a CD
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This rear view shows how the amplifier connections are hidden
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A closer look at the rear panel connectors and the power cable
In-depth project details
- Circuit design - Implementing the LM4780, including a thermal shutdown feature.
- Construction - Pictures of the point-to-point wiring and details of the enclosure.
- Power supply construction - More constructional pictures.
- Sound quality and conclusions - This little amp sounds pretty good!
- Full Schematic - Complete circuit details.