Question about Car Audio & Video
I don't think you can. The model you have would help a lot. Depending on the model you can some times bridge a 4 into 2 but I don't think 1 channel is possible. On the older models there is a plastic plug on the bottom that can be removed and there was a switch under it for changing the outputs.
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Posted on Jan 02, 2017
SOURCE: Rockford Fosgate Punch 360.2
If the wires were touching then the amp overworked itself into a early grave..What happends when they touch is the amp goes from seeing a 4 ohm load to seeing a 0 ohm load. You can imagine why this would be bad for a amp...usually the amp should shut off to protect from damage and I would assume that Rockford would. Right now im having a similar problem..I suggest your call rockford and ask to talk to a technical advisor ( the name escapes me) and ask him what he thinks.
Posted on Mar 25, 2007
never attemp to bridge your amps specially this type of amps. this are too very complicated. you may blow your amp if you will attempt it again.
Posted on Jan 26, 2008
SOURCE: sony xplod 500w 4/3 channel
If the speaker is a 4 ohm DVC (two 4 ohm coils), you can't wire it to get a single 4 ohm load. Try connecting one coil to each of the two rear channels. It may not be as loud but the amp should operate without going into protection.
If the two 4 ohm coils are in parallel, the amp is driving a 2 ohm mono load. That's probably why it's shutting down.
Posted on Apr 26, 2008
Watts delivered is a function of the voltage times the current. If the amp was 100 percent efficient, it would need 33 amps at 12V for 400 watts. At 14.4V, it would only need 28 amps. Of course, amplifiers are NOT 100 percent efficient, only about 50-60 percent in many cases, but somewhat higher for monoblocks, maybe 80-90 percent. So you're looking at a fuse in the 60-80A range. In the absense of a specific fuse size from the manufacturer, I'd start the primary fuse at a 60A and if the amp blows it on power up/immediately/frequently, move up to an 80A.
All of the Rockford-Fosgate 2-channel bridgeables I've ever seen show using the left positive (+) and the right negative (-) for bridging. But if it's not shown right on the amp, I'd call or email RF for the correct connection. The new amps do show it.
Hope this helps.
Posted on Apr 28, 2009
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