odd, but glad you got it figured out.. the off button on the remote is nothing more than a stand by .. the power button as you know is on the rear of the 990. sometimes electronics need to be rebooted.. and that would mean a complete turn off.. not just in stand by. similar to restarting your computer.
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Outlaw Audio 990 pre amp
Adire Audio sub (SVS 12.2 driver)
CAL Alpha tube DAC
Parasound P/HP-850 2 CH pre
Pioneer PL-530 TT
Polk Audio SDA 2B
NAD 2600A amp
Danger Boy here