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New furniture and PSUs |
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Richardl60
Senior Member Joined: 04 Nov 2014 Location: Yorkshire Status: Offline Points: 1468 |
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I did suffer bad hum when I first bought my PSU which was located on th3 floor. Why?
Cable management of the long cables which were in very close proximity to my speaker cables at the time. Cable length was an issue |
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RichieCactus
Regular Joined: 18 May 2017 Location: Surrey Status: Offline Points: 47 |
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Thats interesting... my Accession's PSU IS on the floor ... ... but mainly because I've run out of rack space. My Rega TTPSU is sited as far from my turntables as possible - as directed by Rega. I've always understood this was to minimize electro-magnet interference with the sensitive TT cartridges. ? (hence my "shielding" suggestion previously) thanks RC |
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Rega RP8/Cartridgeman MM3/Thorens TD166/AudioMods VI/Accession/Croft RIAA/Arcam A85/Quad 21L
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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Your understanding is correct. |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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IntempestaNocte
Regular Joined: 28 Mar 2016 Location: Stoke Status: Offline Points: 51 |
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I was just pondering this very issue when I saw this thread. I read in a random thread somewhere the other day that it is a bad idea to sit PSUs on carpet. That was the first time that I had heard of this issue and I was concerned as I have had two PSU1s sitting on the carpet under my hifi cabinet for nearly a year now. So I started thinking that I should get something to put underneath them to allow free movement of air between the casing and the carpet. I was thinking of some sort of trivet-like affair and so I ended up looking at some things that are essentially two parallel pieces of wood with doweling connecting them to form a rack. I was just about to buy a couple when I read Graham's comment about vibration and now I don't know what to do. Would this be an issue with such an arrangement?
The vibration should pass through the wooden dowels into the wooden sides and from there be absorbed by the carpet, I think... or would the casing rattle against the dowels creating an audible rattle. Anybody got any ideas. Incidentally Ifor, I've got the exact opposite problem to you as I have a really pretty but critically overfilled hifi cabinet . It is so impractical I should really replace it with something purpose made but it is the best looking piece of furniture I own.
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Scott
AT150MLX > Audiomods Series V Standard > Rega RP6 > Accession MM > Marantz PM6005 > KEF Q100 / Solo UL > HD540II. Voyager, Bitzie, AgSat90. |
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Richardl60
Senior Member Joined: 04 Nov 2014 Location: Yorkshire Status: Offline Points: 1468 |
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Wood may be bad but unless graham has changed it has a brilliant wooden rack with several PSUs in it so suspect it would be fine otherwise he would have them all vibrating at once!
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Drewan77
Senior Member Joined: 25 May 2013 Location: Chester,England Status: Offline Points: 1544 |
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Catching up with the forum for the first time in a while (back yesterday from 6 weeks visiting the family in America) - most of my various PSU1s are on the carpeted floor but the one powering both Accession & Majestic is on a small shelf hooked on the side of the main system rack.
Reading Grahams earlier post, I guess this is just about the worst place for vibration so I will move it to the floor before I power the system up again (I turn the PSU1s off for these extended trips; when in the UK, I leave the GSP gear permanently on).
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Older than I once was, younger than I'll be
............................. Andrew |
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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I made two wooden "caddies" carrying 4 PSU1s each for the road shows to save time in setting up. They are fitted with RS 4-way IEC distribution units and the mains input leads shortened to suit.
Rather than taking the PSU1s back out I left them in the caddies and I use one to power equipment in the workshop rack, stood on the tiled floor. I haven't noticed any degradation to the sound. |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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