NaO Electronic Crossover
Original single ended crossover, with modified Sultzer regulated power supply.
Fully balanced version, built 5/2005.  Note there are separate PCBs for the Noninverted and Inverted signals for both L and R channels.
Detail of the I/O connectors and new calibrated woofer level controls.  Note that the low pass section has only single ended outputs - I'm using a modified Hafler DH-220 amp for the bass.  Click here for details of that amp.
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