Join Date: May 2016
Location: House on East Coast
Mentioned: 7 Post(s)
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Its one thing when its your own equipment and you have somewhat of an idea of what your doing, as many things as OP has tried it seems possible that he may have by accident set something wrong?? I know if it were me I would have read and reread owners manuals on equipment to make absolutely sure everything was hooked up correctly and its possible he did but I do not know?? Now if the Denon was used its possible something could be wrong which would explain lack of sound out of sub pre outs.
Okay another idea!! Try doing a firmware reset check your manual on my Denon turn unit off then turn it on while pressing info and back sometimes that helps. Another idea but turn volume down it maybe the sub preouts are faulty I would unplug the preout from sub1 on avr and plug it into another preout but make sure you disconnect whatever speaker you have hooked to it. Example if you use front left disconnect speaker wire from back of Denon then plug mini into FrontLeft preout instead of sub out. I figure if that works and you get normal sound then its stands to reason sub preouts may be faulty.
Denon AVR-4520 LCR BIC PL89ii's w/ 2 SX2400 amps, Volt6 front height w/nu3000, Volt6 rear height w/EP-2000, BIC DV84's w/EPX2800
Infinity1262's in Quad Opposed box w/ nu6000,SI DS4's in 2 sealed Marty Cube w/ IT 8000, 2 SI HST18's in Dual Opposed w/ A14K