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I have an auto amp with no crossover for subwoofer. i am wanting to know if i can hookup a passive crossover for sub speakers through amp to speakers say from radioshack or other home speaker system? i cannot afford an electronic crossover and my system sound rotten with no low end frequency.

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You could go with a type of passive crossover, and that should allow you to also control gain as well as the bass input, and you can also go with a low pass filter as well. These are quite inexpensive at Wal-Mart and other places, and just run in-line with the wiring. There is no real cutomizability with the latter option, but it could be a means to get better sound while you save for a stronger crossover.

Posted on Sep 28, 2009

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How do i set up my subwoofer sawm40


Sounds like you have a passive subwoofer, you run speaker wire from 'front speaker receiver out' to the subwoofer, the 'subwoofer out' to your front speakers. Seem like your sub has a crossover that grabs the bass frequencies and passes off the rest to the front speakers

If you have a 'subwoofer line out' on your reciever and a 'line in' on you subwoofer then just use that single wire, this would be for a powered sub. You know that you have a powered sub if your sub has a power cord attached to it.

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Im tryin to hookup aftermarket subs but the lineout converter isnt working, it sounds like alot of treble comin outt of the subwoofers. is there anyway to find a low frequency wire to tap into for the subs


instead of finding a low frequency line to attach to your LOC (line output convertor) use the built in crossover on yours subwoofer amp or an external crossover to limit the frequency range going to the subs

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I use a Mackie 1604vlz board. I have Passive EV Speakers that I use a QSC power amp for. I want to add one Powered Subwoofer to this. How can I hook up without buying a crossover? Can I run out frome the...


You can, but I would not suggest it. Depending upon the input design of the powered sub, the highs might not get filtered out. Many subs assume that they are only receiving the lows. You are better off using a crossover between the mixer and the amp for highs and the powered sub for the lows. Please note that the crossover will give you much more control over the sound quality.

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I need to know how to wire this to my amp i have never wired a 3 way system and i need to know if i do any thing different


Typically on these units there is only one hookup for the amp or a left and right hookup. The crossovers are already inside the speaker box and will send the highs to the tweeters and the lows to the subs. Make sure that if you amp has an adjustable crossover that it is set to full so that all frequencies go to the speaker box.

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it is not reccomended to daisy chain passive subs with main speakers, because there is no crossover unit involved. you want a sub to have a crossover frequency around 100hz, so that only frequencies lower than this go through the subs, and not in the main speakers.

you could get away with 1 sub plugged into the mono output on the front, subs dont have to be stereo. you would need a self popwered sub, or an additional amplifier+crossover for passive subs. your best bet would to be to get a powered sub and hook it up to the front panel mono out. powered subs usually already have the crossover built--in.

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1 Answer

I would like to know I have 2 subwoofer with amp how can I connect it the best way thank you


first, you will need a passive crossover, i do not believe that the mono out of the mixer has a crossover., if the amp does not have a crossover. you could use the "mono" output, and split the signal, with an adapter, to both channels of the crossover, then run both of the low outs to the 2 channels of the amp. or, you could hook the crossover to the main laft and right outputs of the board. send the 2 low outs, left and right, to the subs' amp, and send the two high outs, left and right, to the main speakers' amp.

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1 Answer

My redceiver gives me a message saying "protect" when i turn the volume up. this started after i hooked up a subwoofer, why is this happening?


You should consult the manuals for the receiver and the subwoofer to make sure you haven't connected the sub improperly. If the amp was working normally before you connected the sub, I would look at the sub hookup first. If the sub is a passive type, and you have connected it in parallel with your main speakers, the amp may not be able to handle the extra load. You may have to get another amp to drive the passive sub. If you have an active sub, you may not be using the right input/output connections between the amp and the sub inputs. Or, you may have hooked the sub up in a way that causes the amp to become unstable. Check the manuals. If you can't resolve it, come mback here with a lot more detail about your gear.

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How do i connect my pv2600amp to my peavey subs and top speakers, i have the leads but what do i do?


Line outs Left and Right from mixer to power amp Left and Right inputs,
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From Subs then to Main spkrs. Make sure power amp is set in stereo mode using this way.

Alternative: You will need at least a 2-way stereo crossover unit inline after mixer and before power amps if the subs don't have a built in passive crossover. Most of them do have passive crossovers in the subs these days. Then separate amps or one channel would drive the subs and the other the main speakers. True stereo would require at least a 2 way crossover and two stereo power amps if hooking them up this way.

There is another option as is common with many sub setups. Send the signal to the mains using L/R outputs from mixer and a separate Mono output to the subs only. Putting only bass/kick and low frequency outputs in this send would help too.

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