Isolating Genelecs

Druboogie · 12th July 2007, 04:29 AM

Evenin' fellow gearslutz...

Hate to start a new thread on this, but I had no luck searching for threads .

pair of Genelecs 8050's
pair of American Recorder (ART) speaker stands:

Im in the 2nd floor of a house, and my landlord directly below my speakers hears more of my bass than I do.

The stands can be filled with sand, how can I reduce the amount of bass radiating beneath my floor? I might just be S.O.L..

I moved into this place a while ago and this is a new problem. Unfortunately as well, the speakers are in the corners....

Anything else I can do in addition to filling the stands with sand?

tINY · 12th July 2007, 10:04 AM

Hang some chunks of boiler plate from the ceiling with bungee cord and put your speakers on them.

-tINY

muziekschuur · 12th July 2007, 10:08 AM

put the stands on pins. to reduce the contact surface

el cochino · 12th July 2007, 11:00 AM

Decoupling the speakers from the floor is the only way, so you need to place the stands on spikes and possibly the speakers, too. Or you could get the Auralex MoPads to put underneath your speakers.

tINY · 12th July 2007, 06:48 PM

Spikes don't do much for decoupling.

You need mass and you need squish.

Those stands are a good start - lead shot is heavier than sand, so use that. Then, you need some thick neoprene, rubber, sorbothane, or some other lossy material.

These look interesting too: Vibration Mounts eStore Cylindrical Rubber Anti Vibration Mounts Rubber Neoprene Urethane Sorbothane Silicone Gel Ring Mounts

-tINY

Druboogie · 12th July 2007, 07:11 PM

Thanx guys, I'll give this a shot. The genelex come with their own bottom pads, maybe i need to put some neoprene or something between them and the stands. The stands come with the spikes, i just have to install them.

Im such a dope for posting this in a guitar forum. ugh

clownjuggles · 12th July 2007, 09:22 PM

Dru

YOu should also check out some Sound Anchors. They do a great job isolating speakers. Sound Anchors.

clownjuggles · 12th July 2007, 09:25 PM

also if you don't like sound anchors check out Cascade audio control products. Cascade Audio

clownjuggles · 12th July 2007, 09:28 PM

the waffle tabs would work. Typical application is to deaden lower end sound spectrum noises from motors etc.

lostinmusic · 12th July 2007, 10:15 PM

This might sound like a joke but... as a last resort you could always try hanging them from the ceiling. A producer buddy of mine who makes some very fine electronica from his domestic setup has his speakers hanging from chains - using the chains like a cradle for the monitors. Purely born out of necessity of working from home...

tINY · 13th July 2007, 12:17 AM

Quote:

Originally Posted by lostinmusic

This might sound like a joke but... as a last resort you could always try hanging them from the ceiling. A producer buddy of mine who makes some very fine electronica from his domestic setup has his speakers hanging from chains - using the chains like a cradle for the monitors. Purely born out of necessity of working from home...

That was my first comment. Attaching the speakers to the ceiling makes the mechanical waves travel farther before they can couple into the room below.

-tINY

Druboogie · 13th July 2007, 12:39 AM

Quote:

Originally Posted by lostinmusic

This might sound like a joke but... as a last resort you could always try hanging them from the ceiling. A producer buddy of mine who makes some very fine electronica from his domestic setup has his speakers hanging from chains - using the chains like a cradle for the monitors. Purely born out of necessity of working from home...

Thats a good way to go, but im in a rental, no drilling.

I lost the god damned speaker spikes that came with these stands...I've turned the place upside down looking for them...What if I put the stands on custom made concrete blocks in addition to putting sand in the stands? 12x12x5 blocks? Will that help keep some of the bass from going downward?

The Genelecs already come with their own waffle tabs...big balls of rubber holding the round speaker up...

clownjuggles · 13th July 2007, 02:54 AM

I know genelecs come with their own. I own a pair. I was suggesting putting those onto the bottom of your current stands to isolate the bass a bit more.

Druboogie · 23rd July 2007, 11:43 PM

Quote:

Originally Posted by clownjuggles

I know genelecs come with their own. I own a pair. I was suggesting putting those onto the bottom of your current stands to isolate the bass a bit more.

ClownJ, I heeded your advise and found a solution. Auralex "Gramma isolation riser".

Put 'em under the stands, and they reduce the vibration. I have some technical testing to do to see if they actually work.

I also could have made them myself from the materials from a place that looks like they supply Auralex. The products are identical. They are half the price.....they could also be an imitation as well.

Check this:
sound proofing and deadening foam products, acoustic insulation, home studio soundproofing,

PMoshay · 24th July 2007, 05:14 AM

I use 2 med. hard rubber dog bones under each speaker.
after spending lots of time trying things, they worked great for only $15.
Also you have minimal contacts with the surfaces.
your mileage may vary.

nosebleedaudio · 24th July 2007, 11:40 AM

You want the stands to be heavy, and decouple the speakers from the stands...
Use Sorbothane for the decoupling.
Mount a steel plate on the bottom of the stand, you want the weight to be as low as possible.
Have done it this way many times for clients and makes a huge difference.

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12th July 2007, 04:29 AM	#1
Druboogie Gear interested Join Date: Oct 2005 Posts: 22	Isolating Genelecs Evenin' fellow gearslutz... Hate to start a new thread on this, but I had no luck searching for threads . pair of Genelecs 8050's pair of American Recorder (ART) speaker stands: Im in the 2nd floor of a house, and my landlord directly below my speakers hears more of my bass than I do. The stands can be filled with sand, how can I reduce the amount of bass radiating beneath my floor? I might just be S.O.L.. I moved into this place a while ago and this is a new problem. Unfortunately as well, the speakers are in the corners.... Anything else I can do in addition to filling the stands with sand?

12th July 2007, 10:08 AM	#3
muziekschuur Gear addict Join Date: Nov 2004 Location: Stavenisse Posts: 407	put the stands on pins. to reduce the contact surface __________________ I use BAGEND SPEAKERS. you should hear em too.

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12th July 2007, 10:04 AM	#2
tINY Lives for gear Join Date: Jul 2004 Location: Orygun Posts: 6,067	Hang some chunks of boiler plate from the ceiling with bungee cord and put your speakers on them. -tINY

12th July 2007, 11:00 AM	#4
el cochino Lives for gear Join Date: Jul 2003 Location: Austria Posts: 777	Decoupling the speakers from the floor is the only way, so you need to place the stands on spikes and possibly the speakers, too. Or you could get the Auralex MoPads to put underneath your speakers.

12th July 2007, 06:48 PM	#5
tINY Lives for gear Join Date: Jul 2004 Location: Orygun Posts: 6,067	Spikes don't do much for decoupling. You need mass and you need squish. Those stands are a good start - lead shot is heavier than sand, so use that. Then, you need some thick neoprene, rubber, sorbothane, or some other lossy material. These look interesting too: Vibration Mounts eStore Cylindrical Rubber Anti Vibration Mounts Rubber Neoprene Urethane Sorbothane Silicone Gel Ring Mounts -tINY

12th July 2007, 07:11 PM	#6
Druboogie Gear interested Join Date: Oct 2005 Posts: 22	Thanx guys, I'll give this a shot. The genelex come with their own bottom pads, maybe i need to put some neoprene or something between them and the stands. The stands come with the spikes, i just have to install them. Im such a dope for posting this in a guitar forum. ugh

12th July 2007, 09:22 PM	#7
clownjuggles Gear nut Join Date: Mar 2007 Location: Celebration, FL Posts: 149	Dru YOu should also check out some Sound Anchors. They do a great job isolating speakers. Sound Anchors.

12th July 2007, 09:25 PM	#8
clownjuggles Gear nut Join Date: Mar 2007 Location: Celebration, FL Posts: 149	also if you don't like sound anchors check out Cascade audio control products. Cascade Audio

12th July 2007, 09:28 PM	#9
clownjuggles Gear nut Join Date: Mar 2007 Location: Celebration, FL Posts: 149	the waffle tabs would work. Typical application is to deaden lower end sound spectrum noises from motors etc.

12th July 2007, 10:15 PM	#10
lostinmusic Gear maniac Join Date: Jun 2007 Location: London Posts: 160	This might sound like a joke but... as a last resort you could always try hanging them from the ceiling. A producer buddy of mine who makes some very fine electronica from his domestic setup has his speakers hanging from chains - using the chains like a cradle for the monitors. Purely born out of necessity of working from home...

13th July 2007, 02:54 AM	#13
clownjuggles Gear nut Join Date: Mar 2007 Location: Celebration, FL Posts: 149	I know genelecs come with their own. I own a pair. I was suggesting putting those onto the bottom of your current stands to isolate the bass a bit more.

24th July 2007, 05:14 AM	#15
PMoshay Gear addict Join Date: Oct 2005 Location: NY Posts: 350	I use 2 med. hard rubber dog bones under each speaker. after spending lots of time trying things, they worked great for only $15. Also you have minimal contacts with the surfaces. your mileage may vary.

24th July 2007, 11:40 AM	#16
nosebleedaudio Lives for gear Join Date: Jun 2005 Location: Birmingham, AL Posts: 1,525	You want the stands to be heavy, and decouple the speakers from the stands... Use Sorbothane for the decoupling. Mount a steel plate on the bottom of the stand, you want the weight to be as low as possible. Have done it this way many times for clients and makes a huge difference.