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Two LM3875 amplifier channels with two dual discrete rectifier boards.
fullcommentTwo LM3875 amplifier channels with two dual discrete rectifier boards.
Test mockup.
fullcommentTest mockup.
Size comparison for the 250VA transformer.
fullcommentSize comparison for the 250VA transformer.
Planning the layout.
fullcommentPlanning the layout.
Field points make for cheap spikes.
fullcommentField points make for cheap spikes.
Cabinet dyed and clearcoated; interior lined with aluminum flashing and tape.
fullcommentCabinet dyed and clearcoated; interior lined with aluminum flashing and tape.
The multitude of connections make for a mess.
fullcommentThe multitude of connections make for a mess.
Detail of right channel, bolted to a Pentium III heatsink
fullcommentDetail of right channel, bolted to a Pentium III heatsink
The paralleled 10W resistor and cap isolate the analog and earth grounds.
fullcommentThe paralleled 10W resistor and cap isolate the analog and earth grounds.
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Powered on.
fullcommentPowered on.
Powered on.
fullcommentPowered on.
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Detail of ventilation hole in top panel.
fullcommentDetail of ventilation hole in top panel.