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Subwoofers How low can you go? Discuss everything from setup to placement to EQ and beyond.

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Old 08-31-2007   #1
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Default is there a good way for a beginner to calibrate a sub?

I really dont know what the crossover point should be for my speakers, so I just tweak it till it sounds good to me. Louder during the day, quiet in the evenings and off at night so I dont bother then neighbors.

is there a reliable way to "properly" set up a sub without calling in a pro or getting complicated software and a microphone?
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Old 09-01-2007   #2
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Default Re: is there a good way for a beginner to calibrate a sub?

Revel and Sunfire both have great solutions to their EQ system for subs.

Very easy to do. The hardest part is moving the sub.
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Old 09-24-2007   #3
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Default Re: is there a good way for a beginner to calibrate a sub?

Go online and download the manual for your speakers. If they are satellite speakers the manual should include a suggestion for a crossover point. In your receivers setup menu you should be able to set your crossover for all speakers in your surround setup. After the crossover is set correctly go to the delay setting. This allows you to set the distance from each speaker and the sub to the listening position. The last step would be to get an SPL meter from radio shack, the least expensive being the analog version. Send the test tone from your receiver through each speaker, and using the SPL meter make sure that each speaker has the same Sound Pressure Level at the listening position, this includes the sub. This is about as much as you can do to calibrate a sub to your system before getting into more expensive solutions like equalization and room correction processors.
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Old 09-24-2007   #4
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Default Re: is there a good way for a beginner to calibrate a sub?

Neil Peart,

I have not yet used the Integra 9.8 you have, but you might find some help with it. First off, you need to properly position the sub for your room. An old and reasonably helpful way to quickly do this is put the sub in your listening position and run a test tone, then walk around the room to find where it has a good sonic balance (sounds even across the frequencies). Then try the sub in that spot.

I agree with the above posts about checking your speakers manuals etal, but find sometimes crossover points are off by this method. Many speaker makers quote the lowest reproduced frequency (especially when not accompanied by +- dB indicators!) the speaker can do, so you might need to raise the crossover in this case. Some represent the other way due to extreme integrity, and you would need to lower the crossover of your sub to mate with these speakers.

How do you know what is right??

Your ears will tell you! I personally like to use MC audio to setup subs as it gives me a reference, movies are difficult to truly 'know' what they should sound like, but zI know what a drum should sound like.

This is a good start for sub balance, EDA is right, unless the 9.8 has room correction (I think it does have Audessy??) then I would use that as well.

KT
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