Leo1103 Posted July 21, 2015 Report Share Posted July 21, 2015 get a volt meter before you buy anything else I have more than one volt meter, what makes you assume I didn't have one? you haven't posted what voltage you charge at, what you drop to, and at what voltage the amp protects 2002 Honda CR-VAlpine 9887My BuildRebuilding... Second Skin Damp 4 DC XL 15's 2 DC 5ks Singer 320 amp 6 cap banksSky High wire 2 VM-1's OM-1 all under window line Team DC Audio Obama has a law he's trying to pass right now, trying to ban Leo for being a threat to children everywhere.EDIT: Not in a JP kind of way. I thought I was going to die from all the jizz filling my ears. Link to comment Share on other sites More sharing options...
jbeez Posted July 21, 2015 Author Report Share Posted July 21, 2015 I don't know what these zapco amps are factory set to for going into protect on low volt. I believe I charge at 14.3v, when you say charge at, this is just the general electrical system voltage while idle and driving around? Or would I measure directly on the alternator terminal? The drop I saw up front was 13.5v, I still need to measure on the amp. I'll get these tonight if its not storming Link to comment Share on other sites More sharing options...
jbeez Posted July 22, 2015 Author Report Share Posted July 22, 2015 Took some measurements when I got home, hooked dmm to zapco power inputs 13.71v car off 13.90v car on set dmm to store lowest voltage on screen, put on a known problem track and put vol max undistorted (Gold Dust - Flux Pavillion Remix - DJ Fresh) 13.27v car off 13.75v not really what I wanted to see, 13.27 is hardly a voltage for a low volt cutoff for an amp. at least a low voltage situation is easy to fix. fwiw I set my gains on the sub amp @-5.2db overlap I think this should be pretty safe, maybe not, or maybe my amp is just old and fucked up :| Link to comment Share on other sites More sharing options...
reedal Posted July 22, 2015 Report Share Posted July 22, 2015 Did it cut off when it was measured at 13.27v? You didn't say... you said it cut out when you rolled the windows down in the OP. Window motors pull a lot of current. Just turn it down when you roll them up or down and you won't have that issue again SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
firebirdude Posted July 22, 2015 Report Share Posted July 22, 2015 Low voltage protection on just about any amp isn't going to be above ~11V. Plus you said that you're usually fine.... but all of a sudden the amp starts cutting out? An electrical system upgrade should not be where your head's at. Something's up. And way for other SMDers to tell him to just start buying alts and batts.... Link to comment Share on other sites More sharing options...
Leo1103 Posted July 22, 2015 Report Share Posted July 22, 2015 howd you set the amps gain? 2002 Honda CR-VAlpine 9887My BuildRebuilding... Second Skin Damp 4 DC XL 15's 2 DC 5ks Singer 320 amp 6 cap banksSky High wire 2 VM-1's OM-1 all under window line Team DC Audio Obama has a law he's trying to pass right now, trying to ban Leo for being a threat to children everywhere.EDIT: Not in a JP kind of way. I thought I was going to die from all the jizz filling my ears. Link to comment Share on other sites More sharing options...
reedal Posted July 22, 2015 Report Share Posted July 22, 2015 When it doesn't happen until he applies extra load (a load that is large on every vehicle with automatic windows), yes, electrical is more than likely the culprit. SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
firebirdude Posted July 22, 2015 Report Share Posted July 22, 2015 When it doesn't happen until he applies extra load (a load that is large on every vehicle with automatic windows), yes, electrical is more than likely the culprit. Because he has never rolled down the windows before?! I'm saying there's obviously a problem here and not just "his electrical system isn't up to the task. He should upgrade." Link to comment Share on other sites More sharing options...
Kyblack76 Posted July 22, 2015 Report Share Posted July 22, 2015 Could be impedance... low volt on most amps is like 9v or some shit...... and its measured on the turn on, not the large gauge incoming. if your low protecting your amp, id expect a bat light, alt light, hell, the entire dash may light up with odd shit ABS, seat belt shit, kinda like when you just insert your key.. but, im not there. SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold Link to comment Share on other sites More sharing options...
Kyblack76 Posted July 22, 2015 Report Share Posted July 22, 2015 put your meter on MIN MAX and duplicate what makes the amp turn off... ill bet your probably not seeing 9.4v or your fuel pump would probably not even work..... SMD SUPER SELLER The Burban Build Blazer Build sold Acura trunk build sold Link to comment Share on other sites More sharing options...
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