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RE: tweaking treble and bass to match room

You can spend less than $200 and get a calibrated microphone and realtime analyzer software. This will measure the response in your room to see what it actually is at your listening position(s). You can use this information to help you set up speaker positions, listening positions, speaker cross-over adjustments (if available) and ultimately equalization adjustments. I found this process very useful for integrating a sub woofer and getting smooth bass response in a small room. I adjusted the high frequencies by ear, putting some damping on the walls at reflection points and turning down tweeter controls in the cross-over.

If you play digital music and use a computer system you can do any equalization in software without requiring extra boxes. Note that simple treble and bass controls don't provide enough flexibility to adjust for room effects, which come about because of three different room dimensions, distances from six walls, etc. I ended up using three parametric equalizers to make finishing touches on bass EQ after adjusting speaker position and cross-over adjustments.


Tony Lauck

"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar


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