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I have 2 Carver amps, 1 is a M500T the other is a M500. I wanted to bridge these to refine amp power, increase channels. i don't have a users manual for either and wanted to know can they be bridged and how? thanks, Don Gallegos Snowy Colorado....

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They have a bridge switch on the rear.you cut the switch on and use one neg on one channel and the positive on the other.it shows which ones on the rear of the 500t.

Posted on Oct 09, 2009

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I do not believe that those amplifiers have built in bridging circuits. It is still possible to bridge the amplifier by taking one of the input signals, branching it out with a Y cable, and inverting the phase of the signal by 180 degrees. This can be done with an inverting operational amplifier circuit and you may be able to find a device that does such. If you feed an inverted and non inverted signal into each of the inputs, you should be able to use both of the positive terminals on the amplifier and have a bridged amplifier. You still must remember that impedance loads will change and if your speakers are 4 ohms or less, I do not reccomend this. Hope this helps. 

Posted on Apr 27, 2009

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What amp would be better to use with what speakers/sub? I have a KAC-7202 kenwood 920W maximum power (150wX2 RMS, 4ohms) (230wX2 RMS 2ohms) and then the other amp I have is a Alpine MRP-M500 mono power...


I'm using that Alpine right now for 2-12" subs and I have compared it to 6 or 7 other amps this month and most were 4 channel 150Watt/Channel Bridged to 300Watts x 2 and found the Alpine to be superior in both sound quality and loudness. The Alpine has also not turned off even with full volume for hours at a time, Very solid amp I was very surprised due to it's size!

Apr 04, 2013 | Kenwood Car Audio & Video

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Which amplifier is best suitable for me to use?


This really depends on the setup you intend to create in your vehicle.

The Amplifer (amp) needs to be matched to the speakers you intend to run.


As a rule of thumb, the power of the amp shouldn't exceed the max. power of the speaker (this may damage your speaker). Instead, the amp's RMS output power should be at 75-100% of the speaker's RATED (RMS) input power. NOTE: this must NOT be confused with max power.

Ideally, you want to run each speaker with its own amp channel.

A subwoofer will usually require a hi-power single channel amp, or a 2 channel amp, bridged into 1 (to increase power output required for the sub).

Here are some examples in simpler terms:

1 channel (hi power) amp can run a subwoofer.
2 channel amp can run 2 speakers, or 1 sub (bridged).
4 channel amp can run 4 speakers, or a combination of 2 spkrs + 1 sub (bridged), or perhaps 2 subs (bridged).

Hope this makes sense.

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Rockford p3d2-12 alpine mrp-m500 set up as is 500rms x 1 channel only one voice coil wired up. I want to series to both coils, but when I do my amp kicks into protection mode everytime I try to bumb.


Some amplifiers are not designed for bridged operation. When you connect to two voice calls in series, the amplifier sees it as a short circuit and shuts down

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I have just bought an Behringer EP4000 amp. How do I connect 2 x B1520 and 1 x B1800X speakers to this amp? Thanks!


You don't (unless you want two B1520's on one channel and the sub on another). Reading the manuals would help.

The EP4000 amp drives only two channels. It CAN be bridged for one speaker but it won't support two channel and bridged mode simultaneously.

http://www.retrevo.com/support/Behringer-EP4000-Amps-manual/id/23591dj795/t/2/

The B1520 subwoofeer is PASSIVE so it will need a dedicated amplifier to power it and control its volume independently of other speaker channels.

http://www.behringer.com/EN/Products/B1800X.aspx

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I have 2 Sonance Sonamp 260's and I want to bridge them to run two different channels. Although I am not sure on how to do this. I am using my Carver HR-742 and I will be powering 2 Infinity SM-155's. I...


Register and download the manual for free at retrevo.com

http://www.retrevo.com/search?q=Sonance+Sonamp+260

It's not bridgeable according to the manual.

Who specs an amp at 3 ohms anyway? Your Carver might be just as effectively powerful.

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Best amps for bose 901


You need an amplifier with at least 200 wpc to get the most out of your BOSE. Look into getting a NAD, ADCOM or CARVER amplifier. I prefer CARVER myself. I am running a CARVER M-500T(251 wpc) on my 901's and they sound incredible.

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Can i bridge the 4 ch. amp to 2 chnl.


Hello bdawson,

Maybe. Some, but not all, 4-channel amps can be bridged. You'll need to provide a specific brand and model number for a more definitive response.

On many bridgeable amps, the connections are shown right on the output terminals, usually the "+" of one channel and the "-" on another channel. The connection diagram in your user manual may also show which channels are bridgeable and the appropriate connections. Some amps may support what they call "tri-mode", powering both full-range speakers and subs at the same time.

Using a multi-channel amp with the channels bridged to power subs is a compromise. While you'll get an increase in power, it usually isn't as much as you would get from a monoblock. And fine tuning for the best sound is more complicated, balancing the filters and crossover so that the correct frequencies are sent to the appropriate speaker.

Hope this helps.

Jun 16, 2009 | Car Audio & Video

1 Answer

Right channel cutting out.


connect right channel speakers to amp left out if the problem fixed you will have a problem in amp itself.
if the problem remained you will have a problem in speaker itself test first with new cable and second with speaker cabinet,

Apr 14, 2009 | Audio Players & Recorders

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