Question about Infinity Reference 1300a Car Audio Amplifier
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Posted on Jan 02, 2017
2 things to try, one. run your RCAs on the opposite side of the car as the positive wire. if you still hear the thumping try changing your RCAs. if you still hear the thumping, try a different anp or head unit. if you still hear the thumping, your subs are blown. best of luck
Posted on May 11, 2009
SOURCE: 1300a, no sound, protect light
if u have the amp bridged un bridge it. chack an see wat the ohms are on the subs an make sure the amp is stable to carry the ohm load..if u have 4ohm subs one sub per channel then u shud be fine that wud make the amp see 4ohms but if u have dual voice coil subs it cud be the configuration of the subs..here's a link on how to wire subs hope this help..http://mobile.jlaudio.com/support_pages.php?page_id=145
Posted on Jan 12, 2010
The possible area is definitely in the stanby switching circuit. A damage to the relay drive has made the power to be continuously on without the remote switch. You can have two solutions, one you can ignore the fault for the time being and connect a second relay fromt the system to trigger the relay and subsequently switch the amplifier main power. Or you must open the set and look in the remote switching area for a jammed relay, a faulty transistor drive or activation of the bias to the relay drive by a faulty component. Check this out with a good multimeter and you will solve the issue. I hope my advice helps. Good day
Posted on Jul 23, 2010
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