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Post by doubledog on Apr 22, 2024 10:15:28 GMT -6
I originally had some patio bricks and sitting on my side racks, and some of the Rubbermaid shelf liner between and on top. it was pretty solid and worked pretty well. then I moved the bricks to add a couple 4u (felt covered wood) racks on top of each side rack and noticed things were not as solid. I had only the shelf-liner under one set of monitors, and some generic foam pads (with a slight angle) under the other. Let me just say these were absolute garbage and REW even showed worse performance (ringing).
Another forum mentioned the Iso-puck minis, but I ended getting some of the Auralex Pro Pod minis and putting it under my 2nd set (instead of the foam) and it made a difference in the sound (tighter lows). The other thing I noticed is that nothing is transmitting through the side racks and desk like it used to. So there is probably a connection (or really a disconnection - yes, it's isolated now!). I thought about getting another pair, but they were out of stock, so Sweetwater recommended the (RAB Audio) ProJax 40's. I put them under my main monitors and notice the same kind of results. I only used the base piece (there are options for different height, or angles). I'm going to try the extra pieces on my home stereo/bookshelf speakers!
anyway, definitely recommend using something - but not the foam pads; they suck.
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Post by Johnkenn on Apr 22, 2024 17:48:28 GMT -6
I bought some old Sound Anchor standds from eric...don't have anything under them...wonder if I should do that? |
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Post by notneeson on Apr 22, 2024 17:52:22 GMT -6
I have those Iso Acoustic stand things on cinder blocks, seems to work pretty well.
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Post by drumsound on Apr 22, 2024 17:57:02 GMT -6
I've got Primacoustic Recoil stabilizers on the cinderblock stack.
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Post by tasteliketape on Apr 22, 2024 18:13:57 GMT -6
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Post by wiz on Apr 22, 2024 18:16:00 GMT -6
I have those Iso Acoustic stand things on cinder blocks, seems to work pretty well. Me too sans cinder blocks mine are on wooden racks |
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Post by jeremygillespie on Apr 22, 2024 18:24:41 GMT -6
I've got Primacoustic Recoil stabilizers on the cinderblock stack. Same here. When they had the demo at AES the year they were released I couldn’t order a pair fast enough. I went as far as to crawl behind the rack because I though they had something electronically On for the A/B test. |
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Post by M57 on Apr 22, 2024 18:32:47 GMT -6
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Post by nick8801 on Apr 22, 2024 19:27:28 GMT -6
I had those primacoustic pads with the steel plate for the last several years. A few weeks ago I switched to some iso pucks. It’s an obvious improvement. I don’t get the smeary lows anymore. I actually ended up throwing those primacoustic pads under my sub. I think the more you can isolate the speakers from surfaces, the better they perform. At least in my small home studio.
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Post by Quint on Apr 22, 2024 19:34:11 GMT -6
I bought some old Sound Anchor standds from eric...don't have anything under them...wonder if I should do that? Sound Anchors here too. I also have the little blue Sorbothane pads under each corner of the monitor, between the monitor and the Sound Anchor platform it rests on. |
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Post by notneeson on Apr 22, 2024 20:26:27 GMT -6
Not the same thing, but I actually just put a couple appliance isolation pads under my Princeton as well. Can't hurt.
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Post by mcirish on Apr 22, 2024 21:00:34 GMT -6
My stands are filled with sand and weigh a lot. On top is a piece of neoprene rubber. The speakers sit on that. I had acoustic foam under a different set and honestly I don't know that it made any difference. As long as the stands have mass so they can't shake the floor, you're all set. I wouldn't overthink it. I already did. I tried many things and it didn't change the sweep tests. Solid stands are important though.
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Post by Johnkenn on Apr 22, 2024 21:03:46 GMT -6
I actually have my sub on those disc thingies. I absolutely can’t tell, but I am positive that I can tell.
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Post by svart on Apr 23, 2024 6:18:15 GMT -6
Just the shelf.
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Post by drumsound on Apr 23, 2024 7:59:57 GMT -6
I've got Primacoustic Recoil stabilizers on the cinderblock stack. Same here. When they had the demo at AES the year they were released I couldn’t order a pair fast enough. I went as far as to crawl behind the rack because I though they had something electronically On for the A/B test. I reviewed them for Tape Op and I got all 'scientific' and only put one speaker on one, and left the other on the stand on rubber erasers. I summed the CD player to mono and multed so I could go back and forth. I thought I'd do that for a half hour or so to finally hear the difference, instead after one song I put the second one under the speaker and never looked back. I bought the review pair. |
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Post by drumsound on Apr 23, 2024 8:01:44 GMT -6
I had those primacoustic pads with the steel plate for the last several years. A few weeks ago I switched to some iso pucks. It’s an obvious improvement. I don’t get the smeary lows anymore. I actually ended up throwing those primacoustic pads under my sub. I think the more you can isolate the speakers from surfaces, the better they perform. At least in my small home studio. I'm curious to know what you heard that was different. |
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Post by nick8801 on Apr 23, 2024 8:06:17 GMT -6
I had those primacoustic pads with the steel plate for the last several years. A few weeks ago I switched to some iso pucks. It’s an obvious improvement. I don’t get the smeary lows anymore. I actually ended up throwing those primacoustic pads under my sub. I think the more you can isolate the speakers from surfaces, the better they perform. At least in my small home studio. I'm curious to know what you heard that was different. Just a clearer picture of the sound. Like the speakers are more in focus. Especially as I turn up the volume. Stereo image is better, connection to the sub felt more cohesive. My primacoustic pads were angled so maybe that change helps too? Like maybe I'm not getting as much desk reflection. Plus, they look much neater and tidier. |
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Post by M57 on Apr 23, 2024 8:49:07 GMT -6
No question, the Iso Acoustics make a huge difference compared to when the speakers are just sitting on the desk. I have them angled up probably 10+ degrees, which I believe makes a difference with the highs with respect to desk reflections, but I doubt angling makes much if any difference in the lower frequencies.
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ericn
Temp
Balance Engineer
Posts: 16,087 
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Post by ericn on Apr 23, 2024 11:26:13 GMT -6
Absolutely nothing, but then the 1in ply cabinets makes the Quested’s pretty easy to mas couple vs isolate.
Every physical isolation device I have ever seen does a pretty good job in their bandwidth, the problem is I haven’t found any truely effective from 35HZ to 20K. You get above or more often below the effective range and you can hear all of them.
The other thing is the change in height/ Angle resulting from a lot of these devices probably is as responsible.
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Post by bubblejackets on Apr 24, 2024 12:52:11 GMT -6
Iso-pucks on cinder blocks, but haven’t compared to others. Seems to work good.
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Post by bowie on Apr 24, 2024 13:11:27 GMT -6
I just use mouse pads on top of 30" wooden stands I made using upright 2x4s so they aren't transmitting much sound. The thin, soft mouse pads keep them from rattling but aren't spongy enough to change the behavior of the monitors.
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