Downloading...

Two LM3875 amplifier channels with two dual discrete rectifier boards.
mediumlargefullcommentTwo LM3875 amplifier channels with two dual discrete rectifier boards.
Test mockup.
mediumlargefullcommentTest mockup.
Size comparison for the 250VA transformer.
mediumlargefullcommentSize comparison for the 250VA transformer.
Planning the layout.
mediumlargefullcommentPlanning the layout.
Field points make for cheap spikes.
mediumlargefullcommentField points make for cheap spikes.
Cabinet dyed and clearcoated; interior lined with aluminum flashing and tape.
mediumlargefullcommentCabinet dyed and clearcoated; interior lined with aluminum flashing and tape.
The multitude of connections make for a mess.
mediumlargefullcommentThe multitude of connections make for a mess.
Detail of right channel, bolted to a Pentium III heatsink
mediumlargefullcommentDetail of right channel, bolted to a Pentium III heatsink
The paralleled 10W resistor and cap isolate the analog and earth grounds.
mediumlargefullcommentThe paralleled 10W resistor and cap isolate the analog and earth grounds.
mediumlargefull
mediumlargefull
Powered on.
mediumlargefullcommentPowered on.
Powered on.
mediumlargefullcommentPowered on.
mediumlargefull
Detail of ventilation hole in top panel.
mediumlargefullcommentDetail of ventilation hole in top panel.