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Two LM3875 amplifier channels with two dual discrete rectifier boards.
smalllargefullcommentTwo LM3875 amplifier channels with two dual discrete rectifier boards.
Test mockup.
smalllargefullcommentTest mockup.
Size comparison for the 250VA transformer.
smalllargefullcommentSize comparison for the 250VA transformer.
Planning the layout.
smalllargefullcommentPlanning the layout.
Field points make for cheap spikes.
smalllargefullcommentField points make for cheap spikes.
Cabinet dyed and clearcoated; interior lined with aluminum flashing and tape.
smalllargefullcommentCabinet dyed and clearcoated; interior lined with aluminum flashing and tape.
The multitude of connections make for a mess.
smalllargefullcommentThe multitude of connections make for a mess.
Detail of right channel, bolted to a Pentium III heatsink
smalllargefullcommentDetail of right channel, bolted to a Pentium III heatsink
The paralleled 10W resistor and cap isolate the analog and earth grounds.
smalllargefullcommentThe paralleled 10W resistor and cap isolate the analog and earth grounds.
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Powered on.
smalllargefullcommentPowered on.
Powered on.
smalllargefullcommentPowered on.
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Detail of ventilation hole in top panel.
smalllargefullcommentDetail of ventilation hole in top panel.