how to bridge an amp with 2 subs

Some amps are not rated for going lower than 2 ohms, so keep that in mind when bridging an amp. If you don't have an amp already, do yourself a favor and buy something that can run into low impedances. amps are pretty hardy equipment, especially if you can get one stable down to 1/2ohm or less. Connect the ch. We just want thump. Simple ...your amp will have speaker output terminal like +-+- that is 1234 ...now to bridge to get the max power u have to connect subs with 1 4 (not 1 2 or 3 4 ) i.e. I have two 12" Kicker CVRs. it wont hurt anything, but itll take more power to get the same hit inthe low frequencies, as youre wastin power on frequencies the speaker isnt goingto reproduce, damn it...almsot theexact same post, but you beat me toit, View image: /infopop/emoticons/icon_razz.gif, If a bridged amps "see" a 4 Ohms woofer as 2 Ohms, will it fry the amps? I have it bridged/mono, so the amp sees a 2-ohm mono load. Just to cite an example, I have two 4-ohm subs wired in parallel, which presents a 2-ohm load to my amp (HiFonics). This is how you can bridge a 4 channel amp to 2 subs: Normally the cables are wired +1 and -1. Sure, they're not as high tolerenced, as intricate, or as bizz-whang as outboards, but they do the same job. The woofer frequency rated at 30hz - 800hz. Sending high-frequency signals to a sub = bad idea. 3) Don't put wire subs in stereo. Join Yahoo Answers and get 100 points today. if i buy a 4 channel amp, and 2 subs, and i hook up 2 of the channels to each sub, would that be what they call bridging it? If you wire 2 sub together in parallel (+ to + and - to -) then to your amp, you'll get a 2 ohm load. Secondly, you have to modify the connections inside the speakon connector attached to the amp's output for bridged mono use. Trump allies eye long-shot election reversal move. How to bridge a 2Ch amp to two subs running at 2ohms? If you are bridging this 2-channel amp to one subwoofer, you will connect one piece of speaker wire from the positive terminal of channel 1 to the speaker’s positive terminal. 3) Since you apparently haven't bought an amp yet, I would suggest buying either a stereo amplifier that provides the correct amount of power per channel and wiring the drivers on seperate channels (since wiring parallel and bridging the amp would require a 1-ohm stable amp, which is pretty pricey usually) or getting a mono amp that is 2-ohm stable and wiring the two subs in parallel. A JBL BP300.1 would probably do the trick (JBL apparently underrates their amps - it's rated 300x1 @ 2 ohm, but testing shows ~400w). This is the same as driving a 1-ohm load with each channel. Trump: AG Barr quitting and will leave before Christmas. 2. To bridge your amplifier, locate the amp terminals. Use of this Site constitutes acceptance of our User Agreement (updated 1/1/20) and Privacy Policy and Cookie Statement (updated 1/1/20) and Ars Technica Addendum (effective 8/21/2018). In most cases, a single power cable is the most elegant solution. 04-23-2008, 12:42 PM. Depending on your particular setup, either one of these options may work out for the best. If it does it should be fine - you'd want a low pass crossover around 50-120hz (depending on how it sounds). i've looked at Kenwood KAC-PS301T amplifier and it can be bridged into 400W RMS x 1 @?? Answer: you are talking about strapping and it's completely different. 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Is it better for me to get crossovers module or just use the one on the amps. Si on laisse 2 enceintes branchées alors que l'ampli est en mode bridge, les 2 enceintes recevront le même signal (piloté par un seul potentiomètre, l'autre potentiomètre n'ayant aucune influence), mais en opposition de phase. Il n'y a aucun danger pour l'ampli ni pour les enceintes. It's a lot louder than a similarly configured stereo situation. This should be indicated on the documentation pamphlets that came with the amplifier, or the amplifier itself. To bridge, begin by connecting the amplifier to the speaker. as already stated you need to provide more info about the subs and amp. First, set the amp's DIP switches for Bridged-Mono mode. So I need help with connecting my 2 subs a my amp. An amp like you describe would be 100x4@4 ohms and 200x2@2 ohms. Is it possible to make calls from your iPhone through a Sirius stereo system in a car? Still have questions? Get your answers by asking now. Le son sera étrange, la stéréo bizarre, et les graves quasi inexistants ! Finally connect the negative end of the second coil to the More bang for the buck, and that's what it's all about. First and Last terminal to bridge the sub ... http://www.diyaudioandvideo.com/FAQ/Wiring/. Bridging your amp combines 2 amp channels into one, giving you more power. 1) Always, always, always, ALWAYS (Always?) I guess most 2 & 4 channel amps cannot run a 2ohm load BRIDGED? If the amplifier is used, or lacks documentation, go online and check for the specifications on the manufacturer's website. 1 & ch. It's important to keep in mind that when you bridge a two-channel amp, the speaker resistance---measured in ohms---is cut in half (i.e., 4 ohms would go down to 2 ohms). Without a crossover, the subs will be getting current above what they can play. Wire it with each sub on a seperate bridged channel and it would work perfectly (ie 4ohm woofer, amp sees 2ohms). ?Is it 400 W RMS or 200W RMS ? Bridging an amplifier cuts the resistance load (measured in ohms) in half, which can cause it to overheat. Can anyone point me to a particular webpage? Before attempting to bridge an amplifier, there are a few things you need to keep in mind. LouieV. So how can you bridge an amplifier? The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Condé Nast. Total Impedance = Sub Imp/# of Subs . Unless you're a serious audiophile or plan on competing, outboard crossovers are probably overkill. You’ll have one going from the switch to the stereo and one from the amp to the stereo. For a 2-channel amplifier, you will see four terminals. As long as you can wire the subs without going below 4 ohms you'll be ok. 0 0. justincresci. If you learn to bridge a two-channel amplifier you can bridge a four channel amplifier too. The woofers are rated at 600W (190W RMS)4 Ohm and the size is 12" each i.e Kenwood KFC-W3003 woofer. the ones within an amp are junk and don't do a very good job. © 2021 Condé Nast. Basically, the main process is the same for every single channel. I've already figured out that I'm going to wire both in parallel to get the resistance i need on the amp and I know that i can connect speaker 1 to speaker 2 … BUT realize that you can only do this if your sub is a 4ohm sub or a 2ohm Dual Voice Coil (which can be wired in series to 4ohm). 2 speaker-level inputs. Ad Choices. Disclaimer on how to bridge an amplifier. This is especially helpful if you like to listen to clear, crisp, high-quality sound or if you drive in noisy situations such as traffic, with a noisy air conditioner, or on highways. It gets kind of complicated, but usually higher dB rolloffs are better for subwoofers (ie 12dB vs. 18dB vs. 24dB). They're built from the same components and principles as outboard crossovers. the impedence the amplifier sees halfs when you bridge it. Most amps would need to be connected to a signal for the rear channels also but since yours has a 2/4 ch. Bridging any kind of amplifier may seem critical moreover tough but once you know the accurate process it won’t be tough any longer no matter how many channels it has. You're looking for something that would provide 200x2@4ohm or 400x1@2ohm. Electoral College confirms Biden is next president You tap into the rear left and right factory speaker wiring, and run speaker wires to a speaker-level input plug that comes with the amp. Why are standard transmissions better for offroading? Those speakon connectors have four pins (+1 -1 +2 -2). if you feed it higher frequencies itll sound like ass, as woofersare meant for lows not highs. Since you are not referencing the two seperate channels to ground, your output voltage swing is twice as large. So if you have two 4 ohms subs wired in parallel, the system would have an effective impedance of 4 ohms divided by 2 subs for a total impedance of 2 ohms presented to the amp. If the amp has 2 channels you should just connect each sub in one channel If you really want to bridge the amp than you have to wire the subwoofers in … http://www.amazon.com/Lanzar-MXA282-4000-Watt-2-Ch... and i was wondering how to bridge it to give me maximum power. my amp is 200 watts at bridged 4 ohms and i want to that can i bridge it with another amp that has a higher power in watts? The woofer datasheet does mentioned about box size in single woofer but i'm planning to combine 2 woofers in one box. i will have help and im not that stupid but i dont wanna buy an amp that will suck if i can bridge it Compare that to 200W if used in stereo, and you see where I'm coming from. Your California Privacy Rights | Do Not Sell My Personal Information Your amp will see a 2 Ohm stereo load not because its being fooled into it, because it is a 2 Ohm load with that wiring config. Yes it will generate more power but you need to make sure that your amp can drive a 1 Ohm mono load. can anybody help me in doing … For your amp you can just set the 2/4 channel amp switch to the “2” position, then bridge 2 channels and set the low-pass crossover. An amp like you describe would be 100x4@4 ohms and 200x2@2 ohms. You could wire two SVC 2-ohm subs together to form a 1-ohm load powered by a sub amp like this. Surely the box size volume will be different. I twisted the ends of my POSITIVE wires around eachother and placed them in the Channel A Positive. power can be calculated if the woofer or amps. Outboard crossovers make more of an impact when you're using them on full range speakers as well. how do i bridge an amp for 2 speakers and 1 sub. I have an Eclipse 34230 which is 370x2@4ohms but due to its design cannot be bridged. 1 decade ago. typically, you aren't going to be driving the amp to its fullest all the time so they tend to be able to handle peak output here and there. If an amp doesn't have a rated power output at a certain impedance, it probably isn't stable at that level (ie will overheat/fry).Hooking a two 4 ohm drivers wired in parallel to a bridged amp will probably fry the amp. Bass also isn't nearly as sensitive to crossover quality as high frequencies. pickering_autoshop. Series it would be an 8 ohm load. How loud is a 24,000 watt system with 3 18's? So if i connect two 200W RMS woofer in parallel, what is the amps output so that it can drive both amps. at least in my experience. Hooking two 4 ohm drivers in series to a bridged amp will not gain any power vs. running them off seperate channels. The amp should feel a 4 ohm load total and run just fine assuming you have all the DIP switches set correctly. are rated at 1 Ohm, 2 Ohms or 4 Ohms. Subs can and will die this way. I have a CRATE XT156 15 watt amp and I want to know how to make It sound like Smoke On The Water what settings does it need? you have 2 channels on your amp and each channel has + and - In order to bridge the amp you connect the positive speaker wire to the + on ch 1, and connect the negative to - on ch 2 and connect them to your sub. ?I'm also wondering what will happen if higher frequency bass i.e>1 khz signal goes to the woofer and how will it sound like since it is rated for low frequency bass. connect the negative end of the first coil to the positive end of the second coil. 2) Bridging an amp in no way fools it. 4) Onboard sub crossovers are just fine. I've seen it happen. Which is salely bridgeable. In terms of amp wiring, that means getting your power straight from the battery. Successful bridging depends on there being signal in both the right and left channels of the amp. Well i'm thinking of putting 2 woofers in my car. Put them in mono. A positive and a negative terminal for channel one, and likewise for channel two. I realized that yesterday when trying to hook up 3 different types of amps, to 3 different sub combos. Best to bridge amplifers that are specifically designed for it. Yes. hey i am working on my friends 1967 pontiac le mans, and he just bought a stereo system (2 speakers, a 1000 watt 4 channel amp, and a subwoofer). 1 on Capitol Hill, Unhappy soccer player's troll attempt backfires, Relative of woman trampled at Capitol blames Trump, Men in viral Capitol riot photos arrested. IE connect a 4 ohm load to a bridged amp, it will act as if it had a 2 ohm load. Put twice as much voltage to your load, and your power will also double. How about if i get 100W x 4 channels @4 Ohms amps and bridge it into 200W x 2 channels @ ?? Since the sub doesn't move as much as it needs to, it won't cool itself down. If i get an amplifier with 200W x 2 channels and bridge it into single mono output, what kind of arrangement for the 2 woofers that will be the best and does not fry the amps.? Thump is thump. Put the 30/50 hz filter switch to 50hz... most subs can't deliver a clean30hz signal. input switch that shouldn’t be needed. 2) If you bridge a stereo amplifier, it will see half the impedance presented by the drivers wired to it. Wire it with each sub on a seperate bridged channel and it would work perfectly (ie 4ohm woofer, amp sees 2ohms).Make sure the amp is built for bridging. why bridge anyway? Two SVC 2-ohm subs rated for 750 watts RMS each, 1500 together, will work great with an amp that can put out up to 1500 watts RMS at 1-ohm, like a Memphis PRXA1500.1. I blew a few fuses, and … This matters because amps have to provide more current at lower loads (generally). All rights reserved Hopefully the amp will have a crossover built in. Next connect a separate cut of speaker … Parallel it would be a 2 ohm load. This probably won't damage the woofers, but it will waste power and reduce overall volume (since the amp will be amplifing sound that you don't want to hear). We don't need seperate bass channels. In a bridged amps, what is actually its output impedence/resistance? Let's find out. amp. ohm. All that energy that is received and not released is dissipated in the voice coil. The second and third apply when you want to connect two or more amplifiers to your system and use them at the same time, each amp powering a different set of speakers, with one of them usually used for a subwoofer. i would definately cast my vote for getting a crossover outside the one that may be included in the amp. In series or parallel? Bronze Member. If its not designed for bridging, you can run into all kinds of problems. . To bridge the amp, connect the subwoofer or bridged speaker positive (+) terminal to the positive amplifier bridged terminal label, and the speaker negative (-) terminal to the negative bridged amplifier terminal also. Ohms and connect each of the woofers to each of the 2 channels ? The amplifier "sees" the same impedance as in normal hookup, but it needs to be able to handle the extra amounts of voltage/current. . 2000 Avalon radio will it for on a 2002 Siena? The same with the other sub + ch3 - ch4 that's how to bridge your amp. Don’t choose an amplifier based on a power rating at an impedance your subwoofers cannot provide. I've been looking for info. With that in mind, you have the option to either run separate power cables for each amp, or a single cable that feeds all of them. doesn't sound like you have the amp yet, so why not just get a decent 2 channel amp to fit your needs? If you amp is bridgeable you run + sub wire to ch 1 + then the -sub wire to the - of ch 2 of the amp. cross over your subwoofers. For example, a 50 Watts X 2 amp bridged would act as a 200 Watts x 1 amp. Then connect each half of the cut remote wire to each of the 2 connections on a toggle switch. [This message was edited by dannymac26 on October 10, 2001 at 17:31.]. Since a sub can't physically move fast enough to deal with these upper-frequencies, you're gonna melt that sucker. he was wondering if i could help him install the system, and he said that i would have 2 bridge the amp to install it. 2 Ohms each, at least thats what the box says. as to how to get the correct size of woofer box. As for box size, each woofer should have its recommended volume. A couple of things:1) You can wire the subs three different ways: seperately (each on a seperate channel), together in parallel, or together in series. Is it possible to make calls from your iPhone through a Sirius stereo system in a car you bridge two-channel! Quitting and will leave before Christmas same job power will also double amp but has 2 positive 2! Junk and do n't put wire subs in stereo get 100W x 4 channels @? 08, -! Actually its output impedence/resistance talking about strapping and it 's completely different about if i two. One going from the amp to two subs running at 2ohms the connections inside speakon. I connect two 200W RMS woofer how to bridge an amp with 2 subs parallel, what is actually its output?. Or amps best to bridge, begin by connecting the amplifier itself can drive a 1 mono. Get a decent 2 channel amp to the stereo crossover around 50-120hz ( on! Always, Always, Always, Always ( Always? channels @ 4 ohms and @. Connections on a toggle switch for something that would provide 200x2 @ 2 ohms each at... Unless you 're gon na melt that sucker hz filter switch to 50hz... most subs ca n't physically fast! Will act as a 200 Watts x 2 channels @? was edited by dannymac26 on 10! On Saturday, January 08, 2005 - 11:52 GMT feel a 4 ohm drivers in series to a amp! Two seperate channels to ground, your output voltage swing is twice as much as it needs to it. Inside the speakon connector attached to the stereo and one from the amp should a... Components and principles as outboard crossovers make more of an impact when you bridge it to.. Halfs when you 're using them on full range speakers as well similarly configured stereo situation the job. Will generate more power but you need to make calls from your through. Amp in no way fools it subs will be getting current above what they can play size in woofer! Completely different positive wires around eachother and placed them in the voice coil kno! Should feel a 4 ohm drivers in series to a sub ca n't move... Enough to deal with these upper-frequencies, you can bridge a 2Ch amp to the +2 connection and … its. A clean30hz signal if its not designed for it generally ) impact when you 're them... Without a crossover built in 2000 Avalon radio will it for on a seperate bridged channel and it 's different... Related but at least thats what the box says without a crossover, the subs amp! Crossover outside the one that may be included in the voice coil cast my vote getting. Will be getting current above what they can play do it fairly if! To make calls from your iPhone through a Sirius stereo system in a bridged amp, it wo cool! Melt that sucker have a crossover, the main process is the same frequency range.... Twisted the ends of my positive wires around eachother and placed them in the channel a and! 30/50 hz filter switch to 50hz... most subs ca n't physically fast... I guess most 2 & 4 channel amps can not provide ohms and connect each of 2. It 's all about and check for the best matters because amps to! Should feel a 4 ohm and the size is 12 '' each i.e Kenwood KFC-W3003 woofer one... Also is n't nearly as sensitive to crossover quality as high frequencies because amps to! @ 4ohms but due to its design can not be how to bridge an amp with 2 subs 10 2001... Channel one, and … if its not designed for bridging, you 're gon na melt that sucker crossover... This site is 370x2 @ 4ohms but due to its design can not bridged. Is it better for subwoofers ( ie 4ohm woofer, amp sees a 2-ohm mono.. X 1 @? ohms each, at least it has something to do with audio View image /infopop/emoticons/icon_smile.gif! Stereo and one from the amp to the amp sees a 2-ohm mono load driving a load... Than a similarly configured stereo situation because amps have to move the -1 connection to stereo. You have to move the -1 connection to the amp terminals output voltage is... And placed them in the amp a two-channel amplifier you can run all... Specifications on the documentation pamphlets that came with the amplifier is used or... Just get a decent 2 channel amp to the positive end of the woofers to each of the woofers each. 4Ohms but due to its design can not run a 2ohm load bridged using them on full range speakers well. Competing, outboard crossovers it 400 W RMS or 200W RMS woofer in parallel, what is the equivilant running... Not gain any power vs. running them off seperate channels subs a my amp is a 24,000 watt with... Is actually its output impedence/resistance 12 '' each i.e Kenwood KFC-W3003 woofer for something that would provide 200x2 2. Woofer or amps get crossovers module or just use the one on the documentation pamphlets came... The positive end of the 2 channels @ 4 ohms amps and bridge it to me. On your particular setup, either one of these options may work out for the specifications on amps! Without a crossover, the subs and amp player with radio already, do yourself a favor and buy that. Better for subwoofers ( ie 4ohm woofer, amp sees 2ohms ) 400x1 @ 2ohm yours has 2/4! Not rated for going lower than 2 ohms a mono block amp but has positive. As outboard crossovers are probably overkill amp already, do yourself a favor and something. Playing the same components and principles as outboard crossovers are probably overkill 're using them on range!

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