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Sub Integration

Here's my system...
NAD C375BEE integrated amp
PSB Imagine B speakers
2 Klipsch 10" powered subs
Outlaw ICBM Bass Management
For 2 channel music only (not HT)
My listening room is 15' X 20' with plaster walls and carpeting. I have experimented with moving the subs at different locations and sub output volume .The Outlaw crossover is set at 80 Hz to handle lows below the PSB capability (52 Hz). While the mains still sound good the bass from the subs still sounds what many would say is "boomy". I do not have an SPL or any room correction equipment.
Any suggestions as to what I may try next?

jrpnde
willemj
1,036 posts
 
Did you measure the response? This does sound like room modes. See the thread on room acoustics: https://forum.audiogon.com/discussions/room-acoustics-10
However, you may also have set the crossover frequency (much) too high. With my main speakers (Quad 2805) I have the crossover at 33 Hz and with my little Harbeth P3ESR mini monitors the optimum was 45 Hz.
Did you also try to omit your external crossover and just use the low pass on the subs (at a lower frequency?).
Maybe you need room equalization like the Antimode 8033. It worked a treat for me.
yogiboy's avatar
yogiboy
5,655 posts
 
Are the Klipsch subs ported?  If they are ported then that is why they sound boomy! You are always better off with a sealed sub for a 2 channel music only system!
erik_squires
16,042 posts
 
You kind of answer your own question. If money were no object, you need bass traps and an EQ. Make sure you are cutting off your main speakers above 80 Hz.

Good free software is Room EQ Wizard (Google it), but there is also Audio Tools for android + a $27 imm6 microphone from Dayton:

http://amzn.to/2yJi0VH

You'll probably also need mini to RCA cables for the test signal.

Best,

Erik
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