General Asylum

RE: Audio Note J's Boomy Bass - What to do?

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Peter Qvortrup

In Reply to: RE: Audio Note J's Boomy Bass - What to do? posted by Greg P on May 15, 2009 at 20:59:30

Dear Greg,

Can I ask you how close you have placed the speakers to side and rear walls?

Sincerely,
Peter Qvortrup

Follow Ups:

RE: Audio Note J's Boomy Bass - What to do? - jasonpatrickbrowne 11:00:33 10/20/14 (1)
okay, I have tried all possible ways to avoid boominess in my small 10x11 room with the AN J.
I have tried in the corners, not in corners but close to rear walls, 4 feet away from the back wall close to side walls, ECT
I have done all those test using ARTA and a soundcard and a MIC. No matter the position, I had a big peak at 50hz and a big dip at around 200hz. PLEASE NOTE that all my measurments was made from the listening position!
The only way ive acheived to remove the major peaks and dip in the bass is using HUGE 14 inch thick floor to ceiling bass traps place in the corners of the front wall. This is a lot of foam. for each corner, ive used one package of http://www.lowes.ca/sheet-insulation/roxul-r6-comfortboardtrade-insulated-sheathing-board_g1363092.html
Ive went from 12 db peaks and dips to reasonable 5 db paks and dip at the listening position. Im happy with that!
cheers
Ive attached my before and after measurments all at listening position.
the measurments where you see the yellow line with the big 50 hz peak is the one taken without bass traps. please forget about the other two lines.
Finally, my MIC limit is 50hz so all the response under 50hz cannot be measured.

Edits: 10/20/14
- RE: Audio Note J's Boomy Bass - What to do? - jasonpatrickbrowne 11:02:04 10/20/14 (0)
  the other measurments is left right speaker with bass traps in my room again at the listening position.
  as you can see, improvements are impressive and bass traps have been the only way to deal with the boominess of the an j in my room.
  The subjective improvements are as impressive as the measurments show.
  cheers
  
  Edits: 10/20/14

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