Question about Car Amplifiers
I have a 774 4 chanel amp performance teknique the red light go on wen i plug da amp in.
Posted on Oct 28, 2008
Ok guest, one of the best, easiest, quality products out there for that type of project is made by Scosche, And is avail. at your local Wal Mart for around sixteen bucks. It's a small blue box with a set of RCA's and a set of screw-down wire terminals. It's really easy, locate the closet halfway point where you can access your factory speaker wiring, one left, one right, so long as both are on same "fade (ie: both front or rear) tap into those wires with a razor cut into the insulation abou ta half inch and wrap a new wire tightly around the factory one. Now you have "tapped" your L+R channels WITHOUT losing the use of those original speakers! Simply route your new wires to the terminals on the scosche unit and it provides adjustment of the voltage to the RCA's to either compensate a weak head unit, or protect the amp from a powerful input! read the instructions on tuning the unit and you'll have a great sounding "stealth" system in no time!
Posted on Dec 20, 2007
Hey i bought a new headunit only to find out that there is no rca out i wanna set up subwoofer ...how is it possible? thanks
Posted on Dec 19, 2007
I don't know of a surefire test, but i had an ov2-400 gothic amp that i bought used and it had the same issue, or at least very similar. first thing to do is hook it directly to a known good source, if that fails, use the high inputs.
the fix for mine was to disconnect the amp completely, open the case, and spray everything down heavily with CRC QD Electronic Cleaner, it costs about 5 bux at any autozone and is extremely handy. this fixed the issue, i then sprayed the connectors down with rid-ox and used an rca adapter as a cleaner (ie inserted it into each socket while wet and rotated it a few times), also installed a new set of rca cables just to be on the safe side.
in my case the amp was stored in a trunk and had something either spilled or condense in it, a good cleaning of the board took care of the problems and it has been working now for the past 4 months.
hope this helps,
Posted on Nov 15, 2007
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