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<blockquote data-quote="Chaos1187" data-source="post: 7726426" data-attributes="member: 639925">Equipment Used:320 Amp Mechman Alt (Voltage set to run 14.8 when hot @ 2k rpm)Factory BMW Sealed Lead + XS Power D3400KnuKoncepts 0 Guage Wire ThroughoutRF bd1000.1 (SUBS) and RF 450.4 (DOORS)New RCAs throughoutAlpine HUFirst Problem Under acceleration to take off from a stop, the door speakers cut out for a second. Then turn right back on. Only under acceleration. I have checked voltage and for a split second here and there it does &quot;spike&quot; and hit into the 15 volts for like a split second. Didnt know if maybe the amp is just hitting protect because of it. Reason i say that is once the car is hot it tends to stop doing it. (I recently went back in and set the voltage to run 14.8 when hot, I changed it because I noticed once the car was hot voltage would read only like 14.3 or so)Second Problem I have set my gains with the SMD DD-1 distortion meter (HU and AMPs) So I know my system begins to distort once I hit volume 30 so I use 28 as my peak. Well at around volume 20 to 24 which sounds pretty good my subs cut out. This weekend I was hammering on them. I noticed a little sound tapping, slapping noise from one sub under close observation of sub, amps, etc. Amp does not go into protect when this occurs only sub cuts out.</blockquote>

[QUOTE="Chaos1187, post: 7726426, member: 639925"] Equipment Used: 320 Amp Mechman Alt (Voltage set to run 14.8 when hot @ 2k rpm) Factory BMW Sealed Lead + XS Power D3400 KnuKoncepts 0 Guage Wire Throughout RF bd1000.1 (SUBS) and RF 450.4 (DOORS) New RCAs throughout Alpine HU [B]First Problem[/B] Under acceleration to take off from a stop, the door speakers cut out for a second. Then turn right back on. Only under acceleration. I have checked voltage and for a split second here and there it does "spike" and hit into the 15 volts for like a split second. Didnt know if maybe the amp is just hitting protect because of it. Reason i say that is once the car is hot it tends to stop doing it. (I recently went back in and set the voltage to run 14.8 when hot, I changed it because I noticed once the car was hot voltage would read only like 14.3 or so) [B]Second Problem[/B] I have set my gains with the SMD DD-1 distortion meter (HU and AMPs) So I know my system begins to distort once I hit volume 30 so I use 28 as my peak. Well at around volume 20 to 24 which sounds pretty good my subs cut out. This weekend I was hammering on them. I noticed a little sound tapping, slapping noise from one sub under close observation of sub, amps, etc. Amp does not go into protect when this occurs only sub cuts out. [/QUOTE]

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