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Bridging Hi..... Do you know how to bridge two monoblocks?

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If you build a small circuit like the Bridging Adapter For Power Amplifiers it's quite easy to do. Some more info on bridging can be found over here

Posted on Jan 14, 2008

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Posted on Jan 02, 2017

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1 Answer

How can i bridge a xt 2000d amp to 1 ohm


The amp is rated at 1000W across 1 ohm. Not sure what you want to accomplish but it is a MONOBLOCK amp, and therefore only has one channel (nothing to bridge).

May 15, 2015 | Car Audio & Video

1 Answer

I have Boss ar2400 4 channel amplifire.. I had connect two 15" kicker subs in bridge circuit. When i run the system it gets overheat in half an hour and goes into the protection mode. How can i solve this...


Problem is one of four things:
  • Impedance (ohm resistance) of the speakers you are using is below the amplifier's rating for operating in bridge mode;
  • You are driving the speakers at a volume exceeding the maximum power output of the amplifier;
  • The gauge of the wires you are using to connect the amplifier to the speakers is too small;
  • The gauge of the power supply wires is too small, and/or you are not using a large enough reserve capacitor at the power input
Possible solutions:
  1. If your Kicker subs are rated at 4 Ohms, and you are using them in monoblock configuration with the speakers wired in parallel (all + terminals to the + bridge output and all - terminals to the - bridge output), try either configuring your bridge circuit in a paired bridge, where a pair of amplifier outputs are bridged, each bridged pair driving a single speaker; or if your Kicker subs are rated at 2 Ohms, use a monoblock bridge driving the speakers in series (+ bridge output to + of one speaker, - of that speaker connected to the + of the other speaker, and = of that speaker connected to - of the bridge output);
  2. Turn the amplifier output down (but this is likely NOT the issue)
  3. Use speaker wire that is no smaller than 8 gauge for your application. 4 or 2 gauge wire would be slightly better but not worth the additional expense;
  4. Your power supply wire should be equal in size or larger than your speaker connector wire. Use no smaller than 8 gauge for your application. Also, use a capacitor no smaller than 2 Farads wired across the power supply input to the amplifier to compensate for pulse surges and car power dips. For your application a large capacitor will work better than an auxiliary battery or gel cell.

May 26, 2014 | Car Audio & Video

1 Answer

Hifonics colossus-ltd dual monoblock amp does not have much output, running a cerwin vega stroker dual 2 ohm sub wired 4 ohm load bridged


Bridge at 4ohms your only getting 600watts rms. You will need to bridge at 1ohm (parallel) and adjust the gain accordingly. This will give it 1600 watts rms. If you would of had a dual 4ohm sub, then you could of bridged it at 2ohms mono, but you can't you have to go either 1 ohm or 4ohm. I believe it's not getting enough power.

May 20, 2012 | Hifonics Colossus-ltd Dual Monoblock 3200w...

1 Answer

How do i bridge 2-4ohm dvc's to a mono block


If you have a DVC 4ohm speaker, and you are using both voice coils, the amp is seeing a 2ohm load.
If you bridge the amp, you CAN run both subs as long as the amp is Two Ohms Stable.
Wire each subs voice coils in parallel.(Positive to positve, neg to neg.) (2ohms) each.
Then wire the two subs in series.(Neg from amp to neg of sub one, pos of sub one to neg of sub two. then pos of sub two to pos of amp.

If it sounds too hard, leave it as you are already running the amp at two ohms.

Sep 13, 2009 | Car Audio & Video

1 Answer

HOLA, ME GUSTARIA SABER COMO CONECTO EN BRIDGE MI KENWOOD KAC X1R??


Es un monoblock amplifier, esto significa que el amplificador es de un solo canal, y este tipo de amplificador no se puede conectar en bridge.

Aug 11, 2009 | Kenwood KAC-X1R Car Audio Amplifier

1 Answer

I want to bridge my icbm 781 amp i dont know how to bridge them


it is already "bridged" it's a monoblock amp, 1 channel, if you're trying to get more power, lower your ohm rating..here's a guide to wiring subs for different ohms: http://www.crutchfield.com/S-vXEiF19AwhE/learn/learningcenter/car/subwoofers_wiring.html

Jul 31, 2009 | Performance Teknique ICBM-782 Car Audio...

1 Answer

Got a 12"kicker L74ohm sub and sony xm-D9001GTR mono amp


Hello juan_penaloz,

The Kicker L7 has an RMS power range of from 50-750 watts and a maximum power handling capability of 1,500 watts so your Sony amp will power it OK. A more powerful monoblock like the Alpine MRP-M1000 or the Kicker 08ZX750.1 would provide even more power and could operate safely at 2ohms.

You have the voice coils wired properly for the Sony amp. It's OK to have the sub impedance higher, but you definitely do not want it lower than the 4ohms the amp is rated at in bridged mode.

Hope this helps.

May 26, 2009 | Sony XM-1252GTR Car Audio Amplifier

1 Answer

I'm having problems getting full power to my sub.


you can only bridge it if your amp is made for it......the only other way is to have another of the same amp.......tell me what you come up with

Mar 05, 2009 | Bazooka 500-Watt Monoblock Amplifier...

1 Answer

Bridging to 12 inch kicker competition subs to my 1000 watt alpine 4 channel amp


I'm a bit confused. For Alpine amps, the "M" prefix is for monoblock (aka single channel) amps and the "F" prefix is for multichannel amps. The only M550 I find is an MRD-M550, which is a monoblock, not a 4 channel like you say.
Unfortunately, I can't give you accurate help until we know weather it's truly 1 channel or 4 channel. Then I'll be glad to help!

Mar 05, 2008 | Kicker 01C8VR4 Car Subwoofer

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