Auralex Gramma Log Out | Topics | Search
Moderators | Register | Edit Profile

Alembic Club » Miscellaneous » Archive through April 26, 2011 » Auralex Gramma « Previous Next »

Author Message
Username: murray

Post Number: 39
Registered: 7-2007
Posted on Tuesday, March 08, 2011 - 8:29 am:   Edit Post

Anyone tried these acoustic platforms for bass? Are the reviews hype? - About 40 in UK and there is a gig bag for an extra 37. Glynn
Senior Member
Username: lbpesq

Post Number: 4773
Registered: 7-2004
Posted on Tuesday, March 08, 2011 - 8:53 am:   Edit Post

I've got one I've used with a guitar amp. I suppose it works but, truthfully, I've never noticed a huge difference. I can't imagine that you'd need a gig bag for it, though. It's one piece, light, has a handle, and no moving parts.

Bill, tgo
Username: cje

Post Number: 71
Registered: 5-2009
Posted on Tuesday, March 08, 2011 - 10:03 am:   Edit Post

In our studios, we put one under the Genelec subwoofer, but eventually removed it, as it didn't do much for the room. We were using them to troubleshoot a problem in the low frequency range, but we eventually realized that it was some open rack spaces behind the engineer that was trapping the bass.

What do you want to use it for?
Intermediate Member
Username: xlrogue6

Post Number: 179
Registered: 8-2002
Posted on Tuesday, March 08, 2011 - 10:31 am:   Edit Post

I find them primarily useful on overly resonant stages, sometimes also on large concrete pads. My main amp these days is as Mesa Walkabout Scout 12, so having the downfiring passive radiator doubtless colors my perceptions.
Username: murray

Post Number: 41
Registered: 7-2007
Posted on Tuesday, March 08, 2011 - 2:49 pm:   Edit Post

Yes- the feel coming through so far is OK but....! Carpeted rooms aka some pubs and restaurants would probably achieve same. G
Advanced Member
Username: eligilam

Post Number: 312
Registered: 2-2006
Posted on Friday, March 11, 2011 - 1:34 pm:   Edit Post

Are these things of any use for soundproofing? I was thinking of getting one as a bass amp riser in my under-construction soundproof room. Currently my rig (rack and 4 x 10 cab) is on wheels. We just put in a "floating floor" (rubber isolation feet between the base slab and the floor joists, topped with double plywood separated with acoustic glue) so this Gramma may be somewhat redundant...
Advanced Member
Username: thumbsup

Post Number: 295
Registered: 7-2008
Posted on Friday, March 11, 2011 - 7:58 pm:   Edit Post

I built some sound proof rooms in hospitals years ago. 1" thick lead back drywall..1" space..3 1/2" insulated wall ...
then other side wall...1" space.....1/2" sound board and 5/8" drywall.
It was sound proof!
Senior Member
Username: sonicus

Post Number: 1685
Registered: 5-2009
Posted on Friday, March 11, 2011 - 8:21 pm:   Edit Post

1" thick lead ! now were talking brother !

Topics | Last Day | Last Week | Tree View | Search | Help/Instructions | Program Credits Administration