Question about Concept CC-452 Car Audio Amplifier

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Bridging CC-452 or CC-752 amps.

I have a CC-452 and two CC-752 amps. I'd like to know how to bridge one of them. Usually it's the positive lead of one channel and negative lead of the other channel. I'm just not sure which are the ones I should use. Thank you.

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Either will work fine, as long as it's a + from one channel and a - from the other.

Posted on Jul 20, 2009

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Posted on Jan 02, 2017

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Bridging two12" subs and one 15" sub to my Rockford fosgate T 1500bd amp


assuming all 3 subs are 3-4 ohms, running all 3 in parallel (the 3 positive leads all attach to the amp positive terminal, and all 3 speaker negative leads connect to the amp negative terminal) will bring you at or above 1 ohm, which the amp is capable of handling. With 1500 watts, you will want to use 8 gague power leads for the amp, 12 gague speaker cables, and an inline 120 amp fuse between the amp and the battery, within 1 foot of the battery.

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I have everything hooked up right and system was playing fine. then the blue power button started flashing and subwoofer wont hit. the orange thermal light is also on. how can i fix it?


If your subs are dual voice coil, they will be tricky if you're not familiar with them. If you wire them in series ( a black and red together) and bridging them on the amp, you might be overloading the amp if it is not capable to handle it ( 1 ohm stable). Instead of bridging, try parallel series on the amp. A positive and negative will be wired together. The other postive will go to the positive of channel 1 and negative to the negative of chanel 2.

Or wire the speaker in parallel ( black with black- red with red) and you can then either bridge them on the amp or on their own channel

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AV860 is coming up with bupkus.

Bridging instructions are usually marked on the back. Typically, move a switch and connect the pair's positives to the speaker.

Mar 31, 2010 | Carver PM950 Amplifier

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95 model thunderbird, runs great until idle, cuts out no spark bike starts again when it feels like it. when idling engine randomly miss fires as if you were flicking the kill switch on and off quickly....


The pick-up coils fail sometimes but usually lead to a complete failure
Before just replacing parts u can eliminate some suspects ie kill switch,clutch switch & ignition switch by bridging
Also check that there isnt a spark jumping from an HT lead or plug cap

Ride Safe
Bike-Doc

Please mark as helpful(if it has been!!)

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1 Answer

I have a rockwood Amp-479X, need directions to install


Hello william_pric,

Look on the speaker output terminals to see if there is an indication, usually a line between the positive (+) on one to the negative (-) on the other, with the word "bridged". If the bridging terminals are not indicated, you can always try one of the positives and the other negative. If there's no sound, it must be the other two terminals. Just be careful that you don't short the terminals, and don't crank the volume up without the sub connected. Some amps don't like an infinite load.

For an input to the amp from a stock OEM radio, your best solution is to use a "line out converter", connected to the rear speaker wires. The PAC SNI-45T shown in the link is one such device. This one includes a "remote turn-on" lead for the amp. You could use a cheaper LOC and just run 12V from an accessory lead on the truck. In this case, the amp will turn on and stay on whenever the ignition switch is in the "on" or "accessories" position. If this is objectionable, mount a SPST switch somewhere convenient and wire the turn-on wire through it.

Hope this helps.

Apr 28, 2009 | Rockwood AMP-479 2 Channel Bridgeable...

1 Answer

On lucent amps you sometimes have to bridge two terminals together to make it work. i need to know what two need to be bridged.


I'm not sure if Lucent has a special bridging procedure, but on most if not all other amps, when you bridge you DON'T connect two terminals together. What you do is instead of using the plus and minus terminals on one channel to one speaker and the other +/- terminals to the other speaker, you will instead use the plus (+) terminal from one channel and the minus (-) terminal from the other channel to drive one speaker and the remaining + and - terminals remain unconnected. Be sure you use the + and - terminals that are marked for bridging. Please note, that when you bridge that your speaker load DOUBLES to EACH channel. In other words, what your amp saw as a 4 ohm speaker going to one channel alone, it now sees as a 2 ohm speaker on each channel when bridged. Be sure you know what you are doing before you bridge and fry your amp. In my experience, if after bridging your amp works fine for about a month and then fries then you bridged wrong and ended up with the wrong speaker load on each of the bridged channels. Be careful. Amps cost a lot to repair. Good luck.

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2 Answers

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Without looking up the individual specs of your speaker and amp, I'll offer a few basics when it comes to bridging an amp.
Most important...find out what impedance (ohm) that your amp can handle bridged!! If you go below this rating, you will run the risk and most likely eventually overheat and short circuit the amp. You must also know the impedance of your sub (which can come in a variety) to be able to match them. Depending on this impedance match-up, it may be less beneficial to bridge the speaker to this amp. For example if there is an impedance mismatch you'll either get less power from the amp or short circuit the amp. If you know these I can help you come up with the best solution.
If you know bridging is the best option, then you'll have to know which terminals on the amp to use in order to bridge. This is how it normally works. On a 2 channel amp...you would normally take the positive from one channel to the positive on the speaker, and the negative from the OTHER channel to the negative on the speaker...and this is how you bridge the amp. The other two channels would remain UNCONNECTED. BUT!!! you have to make sure you use the correct 2 channels...it varies from manufacturer. But take heed not overload the amp...and not to overpower the sub. There are a few different ways that you can configure the subs if you find it beneficial to bridge your amp, these would take long to explain and would depend on the impedance of your subs and specs of your amp...these wiring configurations is how you match the impedance of the speakers input to the amps output (and is very important to do correctly) Look up "parallel and series" wiring configurations. Let me know if this helps, or if you need further help. Find out the impedance of your subs and the specs of your amp and i'll be able to assist you more. Hope this helps.

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2 Answers

Wiring my subs to my alpine mrv-1000


did you read your instruction manual. does it says "it could be bridged to other amp"?. you can't make a bridge to amplifier that is not bridgeable. bridging an amp is a way which it is made through transistor type ampilfier by bridging more transistor inside and more voltage is required for bridging.
I don't know if we could do to an IC type amplifier. ask an experts about bridging IC types how to bridge maybe they know how.
and if you had an successful bridging, you may have a problem through your speakers, they may hit hard but you will experience some errors through your speakers and easy to worn.

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Your amp, being a 2-channel amp, should have 2 speaker connections with a negative sign(-) and 2 with positive signs(+)...Take your speaker wires (You will need 4 of them) and twist the ends of 2 of the together and put them into the negative spot on 1 side of your amp. Assuming you have 2 subs, connect them 1 to each sub and be sure they are on the negative sides of the subs or both are on the same side of the subs. Then do the same with the positive leads except to put them in the positive spot on the opposite side of the amp. So you will have the negatives from one side's outputs (or channel 1) and the positives from the other side's outputs (channel 2). Thus, your amp will be "bridged" across both channels. Hope this helps...just comment back if you need a diagram or something. And be sure to leave feedback please.

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1 Answer

Mtx 801d


ASSUMING that the amp is OK with a 2ohm load then you "set it up" by the configuration of the speakers you use. Two 4 ohm speakers if parallel will give you a 2 ohm load. However, if you are bridging the ouputs then a single 4 ohm speaker bridged between the two outputs will put a 2 ohm load on each channel. Be very careful if you are bridging the outputs that you know what you are doing. On average, when bridged wrong (too much load) the amp will last about one month before it fries. Get some help if you are bridging. Be sure not sorry.

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