Question about Rockford Fosgate Car Audio & Video
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Posted on Jan 02, 2017
Ok.. Bridge the two sub into 4ohm than bridge to amp.
So. this how it goes.
sub1 + -
to | |
sub2 - +
amp (L) - + (R)- +
This will use the full potiental of RF 800a2 amp. I believe it like 1153 watts max out.
Posted on May 29, 2008
hows it going so you need it to be installed or you can install this yourself? well the best bet fund to get stuff done cheap is t get the stuf you will need to do an install like a install wiring kit and tools and post a installer help on craigslist.org iin your local area would be the cheapest way or just go to your local audio stereo shop thanks again and i hoope this help have any more questions please feel free to contact me if you need a step by step install i can help you in that and save you big bucks thanks again. always forward jcbproducts
Posted on Dec 03, 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
send the rockford to landis technical-they bought up all the parts to rockfords amps and will get them back to factory specs and recertify it for ya along with a new power certificate-look on rockfords website and snoop around and it will break it on down for ya and give you the address n stuff. i had to send my 1501bd mono amp in to get an overhaul and it came back throwin 1810watts rms so that was better than when i started -good luck.
Posted on May 01, 2009
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