So how do you set up a subwoofer

mjs

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Aug 18, 2007
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Never mind all this move it around the room to find the best spot,what do those dials/switches on the back do e.g slope frequency cut off 12/24dB etc How should I trim these?
 

mjs

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I have Denon 1930/PS3 connected to Sony 3200ES
Speakers KEF 2005.2 with KEF sub PSW2010. In a 7.1 arrangement
 

Andrew Everard

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May 30, 2007
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OK here we go:

Music/Cinema switch to Cinema

Level control to max

Crossover to 140Hz

Phase to 0

Slope to - well, it doesn't matter, as I'm about to explain

Power to Auto

Ground switch position depends on whether or not the subwoofer hums with it in the IN position. If so, switch it to OUT. Or indeed vice versa.

Set the sub up like this and run the automatic set-up on the Sony receiver. The receiver will then be taking over the subwoofer level and crossover functions from the controls on the sub itself, which is why everything is set to max and and the slope switch doesn't matter.

What the slope switch does, by the way, is adjust how fast the sub rolls off sound level at the chosen crossover frequency, should you be using the internal filtering. It's in decibels per octave, and the 24dB position gives a much sharper roll-off than the 12dB.

But since the receiver's internal crossover is doing all that now, rolling off the sound to the main speakers at a lower frequency than the 140Hz at which you've set the sub's control - in fact probably around 80-100Hz given the HTS2001.2 satellites' characteristics - these settings are irrelevant.

Hope that helps...
 

mjs

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So just what hours do you work? You seem to post replies both early in the morning and late at night.Is it really always you??
 

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