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In Reply to: RE: Passive preamp RCA output to SUB amp? Question on current configuration posted by bullethead on June 30, 2017 at 03:40:12
when only it is connected? That might be hard to judge, but you should be able to tell if there is a large difference. Completely disconnect the main amp, play sub alone. If you think it's loud enough by itself, you may need to reduce the gain of your power amp or increase its input impedance.
Or you can connect the power amp single-ended, which will reduce level by 6db. That could be done with a simple balanced/SE adapter or by altering the balanced IC's to run SE.
Peace,
Tom E
berate is 8 and benign is 9
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