Auralex Gramma

P

philthyanimal

Guest
I have a wooden floor and a downward firing sub.
I dont have it too loud.
I've heard people saying you should put subs on one these.
Would it make a differance in sound?
 

Pulsar

Well-known Member
Hi,

I can't rate mine highly enough. I use a Velodyne SPL 1200 which is a forward firing beast on a laminated wood floor. The Gramma stopped 95% of room and floor vibrations, and seemed to tighten up the bass.

I am not sure how effective they are on a downward firing sub? Good luck.

Rob
 

mw3cdj

Standard Member
Don't know if the Gramma is any good for downward firing subs,
I use a 25mm thick slab of marble and it made a big difference.
Would be interesting to find out if it is suitable for a downward firing sub though.
Regards
Daran.

PS I'm a huge fan of AURALEX brand of products, dose exactly what is says on the tin
:D
 

Ian J

Banned
One of the reps said that he didn't think they would be much use on downward firing subs and I have no reason to disbelieve him
 

mw3cdj

Standard Member
Thought so ,
Thanks Ian.
 

Smurfin

Distinguished Member
Originally posted by Ian J
One of the reps said that he didn't think they would be much use on downward firing subs and I have no reason to disbelieve him

Why? I don't quite understand why this doesn't hold up, or am I being stupid? In my experience downward firing subs transmit just as much resonance as front facing ones? Or is it something to do with the gramma deadening the bass itself? :confused: :confused:
 
P

philthyanimal

Guest
thanks.
I'll find something else to spend money on then;)
 

SamirP

Active Member
Gramma' s do work just as well with downward firing subs,

Adzman is using one with his Mackie with good results. :)
 

dunkyboy

Novice Member
I tried one under my [downfiring] ATC Concept 4 sub (great big £2K beast of a sub), with my suspended wooden floor, and it definitely cured all the vibrations and rumblings that plagued my room. Can't say for sure if it improved the sound though. I thought it was maybe a bit tighter and cleaner, but it was subtle enough that it could've been all in my head. :)

Dunc
 

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