How low does it go ? (Off Topic)

by Bert , Wednesday, December 12, 2007, 10:21 (5974 days ago) @ PeterSt.

Hi Peter,

Because -somehow- when albums really are about showing off sub lows they
do that so excessively that nothing can be heard and only be felt. So,
either when it's about a 4 minute track that goes humpf humpf all the time
for a "rythm", or has constant tones in the inaudible area, it's about
shaking the house only. Besides that, any humpf for a rythm is so "slow"
for decay (the house needs a couple of 100 of ms to die out) that this is
not about music anymore.

I think that this is a problem at your place, your room/house is too weak for its size and therefore highly sensitive to frequencies close to room modes and construction (in a way the walls/ceiling change into speakers...). I do not have real problems with the inaudible so called "humpf" which in my case do add nice effects to the sound. The reveberation time of the low frequencies in my room is pretty short, even organ feels very "natural"....

Besides all it really is dangerous. "The house is shaking" is no joke. It
really happens, and with powers unheard. Also note that with constant - or
slighly vibrating tones, the whole lot can go into a resonance being GC
times stronger than the base SPL.

Yes, this is the room/house/construction doing that and can be pretty dangerous. Now you know why I only use 30Watt for the subs...

If you would set your subwoofer at a certain frequency (say 16Hz at 80dB outside in free field) and place it back in your room then it will probably play 110dB or even more if that frequency supports room modes. Put the same subwoofer at the same level in my room then it will probably play 92dB at the most and therefore more clean (less fake) and presented as real sub frequencies...

Bert

--
BD-Design - Only the Best!

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