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Placement of subwoofer - some disappointment

alexpen, muokattu 6 Vuodet sitten.

Placement of subwoofer - some disappointment

Padawan Viestejä: 27 Liittymispäivä: 15.9.2014 Viimeisimmät viestit
Hello,

genelec step-by-step setup guide mentions if I use subwoofer I have to move the monitors at least 1,1 meter away from the front wall .



Being not quite new to room acoustics, I'm a little bit disappointed by this statement.
Could you clarify please? I suppose, my interpretation of the picture is just wrong.


Thanks and regards
Alex

Liitteet:

ilkka-rissanen, muokattu 8 Vuodet sitten.

Re: Placement of subwoofer - some disappointment

Yoda Viestejä: 2564 Liittymispäivä: 23.3.2009 Viimeisimmät viestit
Hi Alex,

Please see http://www.genelec.com/answers-library -> I am not getting enough bass, do I have a back wall cancellation?

When using a subwoofer, the back wall cancellation dip should be pushed below the crossover frequency which means that the speakers should be placed further than 1.1 meter distance from the backwall. This is of course ideal situation which may not be possible depending on the dimensions/size of the listening space.

The second best cure is to placing the monitor very close to the wall. The distances below 20 cm (8") from the wall yield the monitor response unaltered (the cancellation dips are at or above 430 Hz). The resulting low frequency boost can be compensated with room compensation adjustments.
alexpen, muokattu 8 Vuodet sitten.

Re: Placement of subwoofer - some disappointment

Padawan Viestejä: 27 Liittymispäivä: 15.9.2014 Viimeisimmät viestit
Thanks a lot Illka!

will experiment with both approaches.