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Old 07-23-2005, 10:42 PM   #1  
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Default Sub Crossover

i was just wondering what you guys had your sub crossover set on.
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Old 07-24-2005, 11:33 AM   #2  
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Quote:
Originally Posted by licher12
i was just wondering what you guys had your sub crossover set on.
I use 80 Hz, but that's what my system is designed for.... lower priced receivers (if you set your crossover there) have a 100 Hz setting, which is usually too high for most 5.1 designed speaker systems.
If you have good full range floor standing front left and right main speakers, you could set a sub crossover down into the 40-60 Hz range, about where your mains will begin running out of steam.
There are lots of variables to consider, like the effective frequency range of your main speakers, whether you feed your subwoofer from your receiver or pre-amp, or crossover directly from your main speakers.
If the crossover is variable you can experiment too for the best sound. You don't want to create a 'hole' but you want to avoid the bass being overemphasized in the mid bass region.
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Old 07-28-2005, 07:40 PM   #3  
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That setting should really depend on what your main speakers can do. I personally don't have a sub as my mains will go down to 18Hz. Tells us more about your system.
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Old 07-29-2005, 01:39 AM   #4  
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I have 15's for mains but my sub is a bad mofo, CWS-10, 650 watts so it over powers the mains.

I like loud base. 120 sounds great to me. I hardly ever hear it rumble below 100. My mains carry down to 40 but like I said they dont match the 650watt sub
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Old 07-29-2005, 02:44 AM   #5  
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Default Onkyo 701 - B&W setup

If your system has a specific output for your sub, and you use it, you should set your sub up to full range because the amp/receiver (or whatever) should output the true range that the sub should be handling via Dolby/DTS or the decoding system used.

Doing this allows the sub to handle the full reccomended range and crossover correctly according to the sound source. This appears to be even more correct if the set you are using to decode the sound is THX certified. From this point you may then need to fiddle with the sub 'volume level' or the source device 'db' output level to the sub to get the correct balance or comfort level of what sounds good.

If you don't have a specific sub output from the source, or you are driving your sub from the front speaker outputs, use 80Hz or thereabouts (THX reccomendation for Dolby or DTS decoding).

In either case, if you have the some kind of options setup on your source device, set your fronts to 'small' speakers (not because they are, but because it tells the amp not to pound them with base - let them handle midrange up at high power) and let the sub handle the base grunt. You can always fiddle with the phasing and the placement of your sub to get best effect.

I get a good effect by sitting my fronts and my subs on a thick sandstone tiles. This tends to dampen room resonance or vibration to some degree and puts more punch rather than boom into the base response.

Experiement, that is the best way. What is comfortable for me, may not be so for you.
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Old 07-29-2005, 07:30 AM   #6  
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i have mine set to 80 hz also, i have infinity speakers and SUB with Harman Kardon DPR 1001 receiver.
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Old 08-17-2005, 04:04 PM   #7  
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Default Sub Settings

I have mine set at 40. I have Rel Sub and Infinity Front Towers that have two sub's in each. 40 is the balancing point for me. Settings will depend on many things such as: Personal preference, room size, sub location, dimensions of room, type of flooring, type of front speakers and wife's tolerance level, just to name a few.
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