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Post by antonio on Apr 7, 2024 14:30:17 GMT
I'd be interested in what, if any, isolation you put under your amps, dacs ect. I'm not interested in turntable isolation.
Do you use something like silicon/sorbothane, spikes/cones or something different.
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Post by hifinutt on Apr 7, 2024 15:49:26 GMT
isopucks under nearly everything . occassionally black ravioli .
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Post by stevew on Apr 7, 2024 16:24:36 GMT
Funnily enough, I’ve been considering the same myself ( particularly under my speakers.)
Biggest success I’ve had is with Townshend isolation and pondering bars again.
However I may explore products from Audite after stumbling across this from a small dealer very nearby to me.
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Bigman80
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Post by Bigman80 on Apr 7, 2024 16:41:06 GMT
I'd be interested in what, if any, isolation you put under your amps, dacs ect. I'm not interested in turntable isolation. Do you use something like silicon/sorbothane, spikes/cones or something different. I put Hudson audio feet on all of my equipment except the TT. |
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Post by antonio on Apr 7, 2024 17:12:42 GMT
I'd be interested in what, if any, isolation you put under your amps, dacs ect. I'm not interested in turntable isolation. Do you use something like silicon/sorbothane, spikes/cones or something different. I put Hudson audio feet on all of my equipment except the TT. Thanks Oli, I've just looked on their website and they do a 'big foot' which they state is rubber. They also do 'isoblock' which they show as silicon, any preference between these two materials. The reason I ask, I can remember reading someone stating, "at least they are silicon rather than rubber" or words to that effect. |
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Post by rexton on Apr 7, 2024 17:42:34 GMT
Townshend pods under my Pre-amp and MM phonostage. Considering my Power amp but I don't think I have enough room 8-(
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Post by lurch on Apr 7, 2024 18:12:55 GMT
This has reminded me I need to list 2 sets (8) of Gaia iii that are languishing in my cupboard.
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Bigman80
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Post by Bigman80 on Apr 7, 2024 19:04:09 GMT
I put Hudson audio feet on all of my equipment except the TT. Thanks Oli, I've just looked on their website and they do a 'big foot' which they state is rubber. They also do 'isoblock' which they show as silicon, any preference between these two materials. The reason I ask, I can remember reading someone stating, "at least they are silicon rather than rubber" or words to that effect. The smaller ones are definitely silicone |
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Post by brucew268 on Apr 7, 2024 21:32:18 GMT
On power supplies I've generally used sorbothane hemispheres, making sure to get the right density and diameter for the weight of the component (shore 50 or shore 70). For DAC and pre-amplifier I've not found something that really works except an innertube barely suspending a board. But that's too fiddly, easy to get too much air and the air tends to leak out over a week or two and so needs air maintenance.
One thing to note well is that any item directly in contact with the underside of the component chassis also dampens the chassis often with greater effect on the sound than the actual isolation and by nature is not equal across frequencies -- the dirty secret of isolation products.
I may try my pre-amplifier with the stock feet sitting on a sorbothane, Isopuck mini, or Isoacoustics Orea.
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Post by antonio on Apr 8, 2024 4:29:08 GMT
@bruce268 " the dirty secret of isolation products."
That's interesting since I've just read a comment on another forum, he felt soft/squishy things sucked the life out of the music. Placing them under the feet of the component rather than chassis is definitely worth experimenting with.
Anyone using something like the Stillpoints products?
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Post by Bigman80 on Apr 8, 2024 6:57:33 GMT
On power supplies I've generally used sorbothane hemispheres, making sure to get the right density and diameter for the weight of the component (shore 50 or shore 70). For DAC and pre-amplifier I've not found something that really works except an innertube barely suspending a board. But that's too fiddly, easy to get too much air and the air tends to leak out over a week or two and so needs air maintenance. One thing to note well is that any item directly in contact with the underside of the component chassis also dampens the chassis often with greater effect on the sound than the actual isolation and by nature is not equal across frequencies -- the dirty secret of isolation products. I may try my pre-amplifier with the stock feet sitting on a sorbothane, Isopuck mini, or Isoacoustics Orea. The only time I can recall squishy feet taking things the wrong way was when I fitted some on my old 686. Sound went saggy and loose, LF went really bloated...which I didn't really believe was possible from just changing feet. The Reason I started fitting them was because I had metal and glass shelving that aren't clamped down very well, so I used them to stop any vibrations making actual noise from the rack. It was an odd moment to hear that, but I've never heard it happen on a DAC or a CDT etc. |
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Post by brucew268 on Apr 8, 2024 9:29:33 GMT
@bruce268 " the dirty secret of isolation products." That's interesting since I've just read a comment on another forum, he felt soft/squishy things sucked the life out of the music. Placing them under the feet of the component rather than chassis is definitely worth experimenting with. Anyone using something like the Stillpoints products? One thing to note well is that any item directly in contact with the underside of the component chassis also dampens the chassis often with greater effect on the sound than the actual isolation and by nature is not equal across frequencies -- the dirty secret of isolation products. I may try my pre-amplifier with the stock feet sitting on a sorbothane, Isopuck mini, or Isoacoustics Orea. The only time I can recall squishy feet taking things the wrong way was when I fitted some on my old 686. Sound went saggy and loose, LF went really bloated...which I didn't really believe was possible from just changing feet. The Reason I started fitting them was because I had metal and glass shelving that aren't clamped down very well, so I used them to stop any vibrations making actual noise from the rack. It was an odd moment to hear that, but I've never heard it happen on a DAC or a CDT etc. I don't think it's as simple as "sucking the life out" of the sound.
What I've noted through repeated experimentation is that most (prob. every) chassis has certain resonant properties that can affect the frequency response of the entire system's output, perhaps through the circuit common/ground. Also, most rooms have certain acoustic interactions with the speakers so that certain frequencies are diminished and others accentuated. For both of these reasons, the electrical and electronic properties of the HiFi are not the sole determinant of the resulting sound.
So whenever you add something to the surface of a chassis, it changes the resonant frequency interaction of that chassis, putting more focus on one frequency band and taking focus away from another frequency band. That may be euphonic or disphonic (?) or not noticed but it seems to happen in most cases. The added focus in one area often gives a sense of better sound, but down the road you may notice that there are now less than ideal resulting sound in another part of the spectrum.
Because of this interaction, I notice that the sound changes depending on the diameter of the feet I put on a component, and the distance from the corners/edges, and the density/hardness of the feet. This also applies to Silent Coat, Bitumen, and other magic pucks put on the top of a component.
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Post by jandl100 on Apr 8, 2024 9:46:42 GMT
@bruce268 " the dirty secret of isolation products." That's interesting since I've just read a comment on another forum, he felt soft/squishy things sucked the life out of the music. Placing them under the feet of the component rather than chassis is definitely worth experimenting with. Anyone using something like the Stillpoints products? I generally find that squashy footers under electronics makes the sound go squishy as well. .... reduced dynamic envelope, contrast and speed. It just makes the sound bland ime. Interesting comments about the Hudson silicon pads. I've ordered a set. I use Hudson rubber feet under my speakers, very beneficial effect imo. Used on top of an Auralex foam speaker platform to induce a Townshend-like wobble. |
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Post by brucew268 on Apr 8, 2024 10:13:04 GMT
I put Hudson audio feet on all of my equipment except the TT. Interesting that Hudson's hemispheres and dots are Shore 20. That is well softer than anything I've found elsewhere and might help more with micro resonances, though they offer no chart on hemisphere diameter vs weight recommendation. |
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Post by hifinutt on Apr 8, 2024 12:01:15 GMT
i recall years ago finding a sonority design isolation platform in the stockroom of a local hifi dealer . he said try it , the rep forgot it was here , i put it under my cd player [ leema ] to amazing effect . so much so i had Steve make some stands for my B&w 804 speakers . www.sonoritydesign.co.uk/platforms/ |
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Post by bencat on Apr 8, 2024 12:07:05 GMT
Phil are they only available directly or can they bought from dealers ? Lots of detail on the web site but no prices or how to order them .
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Post by antonio on Apr 8, 2024 13:02:28 GMT
i recall years ago finding a sonority design isolation platform in the stockroom of a local hifi dealer . he said try it , the rep forgot it was here , i put it under my cd player [ leema ] to amazing effect . so much so i had Steve make some stands for my B&w 804 speakers . www.sonoritydesign.co.uk/platforms/I can remember reading good things about these quite a few years ago, most probably a bit pricey for me but I'd be interested to know a price as well. |
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Post by Bigman80 on Apr 8, 2024 13:08:38 GMT
Phil are they only available directly or can they bought from dealers ? Lots of detail on the web site but no prices or how to order them . They are mega money. I went to listen to Steve setup with Jimbo many years ago. His listening room was spectacular. Those shelves (which don't decouple) seemed to be based on turning energy (vibration) into movement. I've heard equipment on them, but not compared to them being off them. If you really want to remove vibration, silicone feet or Townshend platforms are the way to go IMHO |
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Post by brucew268 on Apr 8, 2024 13:20:45 GMT
i recall years ago finding a sonority design isolation platform in the stockroom of a local hifi dealer . he said try it , the rep forgot it was here , i put it under my cd player [ leema ] to amazing effect . so much so i had Steve make some stands for my B&w 804 speakers . www.sonoritydesign.co.uk/platforms/I've used roller designs for years, still have them between my speakers and stands. One thing I found was that roller designs isolate horizontally but couple vertically, especially if the component sits directly on it rather than with a shelf sandwiched in between. The vertical coupling really emphasizes certain frequencies that give amazing detail but unbalanced and led to listening fatigue for me, so I always used separate vertical isolation in addition to the roller bearings. If the mass shelf below the Sonority bearings has some absorption properties in it, that could be a good combination. The speaker platform looks nicely done. |
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Post by bencat on Apr 8, 2024 13:22:09 GMT
According to details a set of three cones are about £139 which is an okay price . Troubles is as I say there is no details of how to find out prices etc .
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Post by antonio on Apr 8, 2024 13:29:03 GMT
@bruce268 " the dirty secret of isolation products." That's interesting since I've just read a comment on another forum, he felt soft/squishy things sucked the life out of the music. Placing them under the feet of the component rather than chassis is definitely worth experimenting with. Anyone using something like the Stillpoints products? I generally find that squashy footers under electronics makes the sound go squishy as well. .... reduced dynamic envelope, contrast and speed. It just makes the sound bland ime. Interesting comments about the Hudson silicon pads. I've ordered a set. I use Hudson rubber feet under my speakers, very beneficial effect imo. Used on top of an Auralex foam speaker platform to induce a Townshend-like wobble. I'm assuming when you say pads you mean these www.hudsonhifi.com/collections/sound-isolation/products/thindotAre they just to experiment with your electronics Jerry? |
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Post by hifinutt on Apr 8, 2024 13:34:51 GMT
Phil are they only available directly or can they bought from dealers ? Lots of detail on the web site but no prices or how to order them . sonority on PFM is the guy who makes them . no idea if he still does a place in Brierly Hill sonoritydesign.co.uk/index.php/contact/ |
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Post by antonio on Apr 8, 2024 13:35:45 GMT
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Post by brucew268 on Apr 8, 2024 13:37:40 GMT
For components without moving parts, my suspicion is that 90% of "isolation" is actually damping and only 10% is isolation effect.
In one of the other forums, some DIYers were calculating the spring rate required for a given weight in order to get the isolation frequency low enough to work properly and then were sourcing parts and building damped spring systems to do the job properly. Townshend and roller bearing designs seem to be the only ones actually attempting that sort of isolation on any plane. But they charge dearly for it.
Of course, someone on Stereophile tested a scientific labratory isolation platform 30 years ago that left everything else in the dust... but it seems they were $2000 even then.
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Post by jandl100 on Apr 8, 2024 13:45:05 GMT
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Post by sq225917 on Apr 8, 2024 21:51:46 GMT
Nothing on electronics. Traffos in power amps are glued to 15mm neoprene foam sheets, no thru bolts. The Yammies have 30mm felt pads under them.
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Post by antonio on Apr 9, 2024 4:13:16 GMT
I contacted Hudson Audio and they came back with a quick reply, both the feet and the isoblocks are made from the same material, rubber silicon.
We have a spare set of Stillpoints so I'm going to give them a whirl in a couple of days, still getting used to the Eversolo A8.
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Post by Bigman80 on Apr 9, 2024 7:30:05 GMT
I contacted Hudson Audio and they came back with a quick reply, both the feet and the isoblocks are made from the same material, rubber silicon. We have a spare set of Stillpoints so I'm going to give them a whirl in a couple of days, still getting used to the Eversolo A8. How are you finding it Dave? |
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Post by antonio on Apr 9, 2024 10:23:30 GMT
@bigman80 Excellent. Is the streamer section any better, honestly don't know but the internal dac certainly is. I probably won't bother comparing the two streamer sections, the A8 will be used in the uk and the A6 Cambodia.
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Post by optical on Apr 9, 2024 11:27:16 GMT
Have to agree, the A8 is excellent, the DAC section is very, very good.
Only thing that stopped me swapping 3 boxes for it was that I made the mistake of trying the aqvox with it via it's digital output.....
I'd love to have it just for the streaming aspect but couldn't quite justify the outlay using it with an additional outboard DAC.
A really nice product.
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