Been here for ages!
- Jul 16, 2014
- Reaction score
- Eindhoven, the Nnetherlannds
John M said:debra said:. . . You can also try to find out which note resonates the most through the floor and use an equalizer to dampen that note. (When I have time to set up I always look for that and eliminate the problem with the Bose Tonematch engine.) . . .
[font=Tahoma, sans-serif]I have a question on setting up the equalization on the Bose Tonematch. I am trying to reduce resonance at A2 = 110 Hz. I am Selecting Para EQ band 1.[/font]
[font=Tahoma, sans-serif]1st, I rotate the Level control to -12 dB[/font]
2nd , I rotate the Freq control to a center frequency of 110 Hz
3rd , I press the Freq control to switch to Width and set the bell curve width to 0.2 octave
I can hear the “cut” in output. My question is: How can I tell afterward, that I have set a -12 dB cut at the center frequency of 110 hz? If I rotate the Freq control from 50 Hz to 16 kHz, all the frequencies show a -12 dB cut. I thought I would see the “bell curve” drop off with a peak at 110 Hz and a drop off to 0 dB at +/- 0.1 octave.
Easy: when you rotate the freq control you are changing the frequency at the center of the "bell". You cannot see how much other frequencies are actually being cut off. Typically what I use is a setting of -6db and 0.5 octave. There is no miracle cure to cut out just one frequency and a very narrow band may have distortion as side-effect (I remember this from my days of configuring analog electronic filters).
My experience is that with -6db and 0.5 octave I don't notice the "cut" but I can up the volume a bit more without feedback.
Miracles to not exist, especially not when you are pointing speakers towards the microphone, but as I would like to continue enjoying listening to music for a few more decades I don't need to up the volume to a point where my hearing will not last more than just one gig...