40-150hz/crossover help - AVS Forum
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post #1 of 16 Old 05-02-2012, 02:44 PM - Thread Starter
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just got a subwoofer but i feel as though it doesnt help me much, ive got wharfedale zaldek which have good woofers, i wanted a subwoofer anyway.
now ive got the ability to choose from 40-150hz, i was told to put it on 40hz from one guy and from another 150hz, i was also told to play around with crossover on my receiver, my question is.
what should i put my subwoofer on for the cleanest bass.
atm its to boomy and my zaldeks perform better.
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post #2 of 16 Old 05-02-2012, 03:06 PM
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Max out the xover on the sub and 80 on the receiver
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post #3 of 16 Old 05-02-2012, 05:55 PM
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+1 to maxing out the crossover on the sub itself and setting the crossover on the AVR to 80Hz (at least for starters).

Also, if you haven't done so already, do the sub crawl to find two or three good locations for your sub. Try it out in all those locations and leave it in the one where it sounds the best. It's possible that the spot you have it in currently is more prone to "boominess" or "muddiness" than another comparably-good spot in your room might be.
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post #4 of 16 Old 05-02-2012, 11:21 PM - Thread Starter
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does maxing mean putting it at 150 or 40?
and can i put it on my bed where i watch from to test?, it wont matter if its sitting on a bed then on a floor?
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post #5 of 16 Old 05-02-2012, 11:22 PM
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Quote:
Originally Posted by soler37 View Post

does maxing mean putting it at 150 or 40?

150 if that is as high as it will go.

What kind of sub is it and what kind of receiver are you workin with?
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post #6 of 16 Old 05-02-2012, 11:52 PM - Thread Starter
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receiver yamaha rx v371
sub: westra maestro 10"
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post #7 of 16 Old 05-02-2012, 11:59 PM
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Quote:
Originally Posted by soler37 View Post

receiver yamaha rx v371
sub: westra maestro 10"

Make sure your speakers are set to "small" in the receivers speaker settings.

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post #8 of 16 Old 05-03-2012, 12:02 AM
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I also agree with other folks on maxing out the crossover control on the sub (150Hz) and setting the crossover point on the AVR to 80Hz, assume that your other speakers can go down to 80Hz or lower (preferably 70Hz or lower).
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post #9 of 16 Old 05-03-2012, 12:03 AM
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Your receiver should have automatic calibration software to set up your speakers correctly.called YPAO I believe. Read your manual and learn how to do this correctly and it will answer all your questions. Usually you can find user made guides for this online as well which offer tips and tricks to get better results. Good luck and if you have already done this then still look up the user guides because it will explain all these tips you are getting in this thread but it will tell you why to set it up this way as well.
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post #10 of 16 Old 05-03-2012, 01:07 AM - Thread Starter
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i have that ypao control, should i use it?
also i wanted to know if i set the sub on my bed and then crawl around the room would that still work? what way do i face the woofer? is it ok that its sitting on something soft rather than a hard floor?
thanks
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post #11 of 16 Old 05-03-2012, 03:10 AM
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Quote:
Originally Posted by soler37 View Post

i have that ypao control, should i use it?
also i wanted to know if i set the sub on my bed and then crawl around the room would that still work? what way do i face the woofer? is it ok that its sitting on something soft rather than a hard floor?
thanks

Doesnt matter the direction or what is sits on as long as the sub is not moving when bass hits. If the box moves because it is not secured correctly then you will actually lose sound. Google "subwoofer crawl" for more info but basically put the sub where you normally sit and play a bass heavy song while crawling around the room and wherever it sounds the loudest then that is where you locate it. If you have a corner that is diagonally from the listening position then just put it there because 90% of the time that will be the best spot for it.
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post #12 of 16 Old 05-03-2012, 03:54 AM - Thread Starter
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Quote:
Originally Posted by Mpray1983 View Post

Doesnt matter the direction or what is sits on as long as the sub is not moving when bass hits. If the box moves because it is not secured correctly then you will actually lose sound. Google "subwoofer crawl" for more info but basically put the sub where you normally sit and play a bass heavy song while crawling around the room and wherever it sounds the loudest then that is where you locate it. If you have a corner that is diagonally from the listening position then just put it there because 90% of the time that will be the best spot for it.

i have a corner like that, thats where im putting it atm but im getting to much boom bass, on my wharfedale woofers i get really good accurate bass.
i kinda regret getting a sub but i couldnt hold myself
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post #13 of 16 Old 05-03-2012, 09:24 AM
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Well how big is your room?
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post #14 of 16 Old 05-03-2012, 10:37 AM
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post #15 of 16 Old 05-03-2012, 03:09 PM
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Quote:
Originally Posted by Mpray1983 View Post

Doesnt matter the direction or what is sits on as long as the sub is not moving when bass hits. If the box moves because it is not secured correctly then you will actually lose sound. Google "subwoofer crawl" for more info but basically put the sub where you normally sit and play a bass heavy song while crawling around the room and wherever it sounds the loudest then that is where you locate it. If you have a corner that is diagonally from the listening position then just put it there because 90% of the time that will be the best spot for it.

I agree with everything except the bolded part. Placing it where is sounds "loudest" is probably placing it where it excites the most room modes. I would look for the spot where it sounds the smoothest, with the best articulation of the different bass notes. This would likely be the spot where the fewest modes are excited, or excited the least.

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post #16 of 16 Old 05-03-2012, 06:16 PM
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Quote:
Originally Posted by Mpray1983 View Post

Doesnt matter the direction or what is sits on as long as the sub is not moving when bass hits. If the box moves because it is not secured correctly then you will actually lose sound. Google "subwoofer crawl" for more info but basically put the sub where you normally sit and play a bass heavy song while crawling around the room and wherever it sounds the loudest then that is where you locate it. If you have a corner that is diagonally from the listening position then just put it there because 90% of the time that will be the best spot for it.

In my room it does matter, unfortunately, which way the sub faces. If I face the subs towards me I get a big null at 50hz, turn it sideways firing parrallel to the wall and the null disappears. I like the subs facing forward so it's a bit frustrating that I have that room interaction - but so it is.

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