+ Reply to Thread
Page 2 of 6 FirstFirst 1234 ... LastLast
Results 11 to 20 of 58

Thread: Equipment Cones, Spikes, Feet and Pads.

  1. #11
    Join Date: Sep 2009

    Location: Derbyshire

    Posts: 7,653
    I'm Josie.

    Default

    Hmm.. it can be confusing. Even some manufacturers don't seem to know the difference either.

  2. #12
    Join Date: Oct 2008

    Location: Glasgowshire

    Posts: 6,685
    I'm availableforweddingsAndBarmitzvas.

    Default

    Hit your equipment with a sock covered hammer whilst hooked up to an oscilloscope.
    Any changes?


    Good info Geoff in your first post.
    Last edited by Gazjam; 17-02-2018 at 18:36.

  3. #13
    Join Date: Apr 2009

    Location: Melbourne

    Posts: 153
    I'm Alex.

    Default

    Made some cast iron feet to put under my valve amplifier. There was an audible difference to the overall sound.
    Attached Images Attached Images
    Last edited by maxrob200; 22-02-2018 at 02:11. Reason: typo

  4. #14
    Join Date: Apr 2015

    Location: Central Virginia

    Posts: 1,008
    I'm Russell.

    Default

    Microphonics on tubed equipment is a known source of distortion. However small it may be. Back in the 50ís the tubed electronics in the nose of jet planes were going haywire due to the vibrations of the plane. Readouts in the dash were jumping all over the place, so they invented dampened, spring loaded mounts for the electronics to stop this problem. And it worked. Hopefully your stereo isnít jumping like a jet plane! But it does prove that it is possible for air born vibrations to affect your sensitive gear.

    Russell

  5. #15
    Join Date: Apr 2009

    Location: Melbourne

    Posts: 153
    I'm Alex.

    Default

    The great thing is that the DIY feet made more improvements than some expensive isolation cones that I had from a previous system. I read about the dampening properties of high carbon cast iron (which is the cheapest cast iron type). Cast iron plates are used to dampen vibrations in factory machinery and some high end stands and isolation device vendors are now using cast iron in their components.
    Being a cheapskate I used some cast iron trolley wheels, removed the bolts and they became feet! The wood discs are furniture castors.
    All up Aud$20 for a worthwhile experiment

  6. #16
    Join Date: Apr 2016

    Location: Bishops Stortford

    Posts: 586
    I'm Chris.

    Default

    Quote Originally Posted by Macca View Post
    There's a bloke who did test this by measuring the output of amps, DACs and transports while subjecting them to vibration. There was no change in the output whatsoever.
    But we all know that many qualities of sound cannot be measured, merely heard and enjoyed.
    SW1X Universal Music Server UMS I Signature with Power Supply Unit PSU I Signature
    SW1X USB I Signature
    SW1X DAC II Special
    Passive Volume Control
    Ron Welbourne DRD 45 monoblocks improved by SW1X
    SW1X Open Baffle Speakers containing vintage alnico drivers - Grundig tweeters, Saba Greencone midrange and Altec VOTT 416 bass.
    Silver mains cables, interconnects and speaker cables by SW1X

  7. #17
    Join Date: Jan 2009

    Location: Sheffield - UK

    Posts: 5,982
    I'm Mark.

    Default

    A friend once designed a valve phonostage that was so microphonic you could hear people speaking in the same room! However, as with a lot of valve gear, it was the valves themselves that were microphonic, changing what it was sat on didn’t stop this and they were picking up vibrations directly from the air. Of course, most valve gear is nothing like as microphonic as this.

    100% Analogue

  8. #18
    Join Date: Oct 2017

    Location: Ontario, Canada

    Posts: 465
    I'm Svend.

    Default

    Quote Originally Posted by maxrob200 View Post
    The great thing is that the DIY feet made more improvements than some expensive isolation cones that I had from a previous system. I read about the dampening properties of high carbon cast iron (which is the cheapest cast iron type). Cast iron plates are used to dampen vibrations in factory machinery and some high end stands and isolation device vendors are now using cast iron in their components.
    Being a cheapskate I used some cast iron trolley wheels, removed the bolts and they became feet! The wood discs are furniture castors.
    All up Aud$20 for a worthwhile experiment
    Great tip on the trolley wheels Alex. Thanks for sharing that.

  9. #19
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 20,761
    I'm Martin.

    Default

    Quote Originally Posted by bumpy View Post
    But we all know that many qualities of sound cannot be measured, merely heard and enjoyed.
    The more I get into this hobby the more I think that probably isn't true. I mean we can all tell a poor sounding system from a good one. But once the sound is good it starts being more a matter of personal choice and psychology. A lot of psychology. The one exception to that is imaging. Some good systems image absolutely unbelievably well, and some don't. But I think the reasons for that are verifiable and have nothing to do with whether or not you have isolated your laptop with stillpoints.

    I go to the odd show and you see these systems with racks costing several grand, isolation platforms and feet under everything, cable lifters, the works. And the sound is poor. Then you go in another room where they have used none of that, just plonked it all on a table and hooked it up. And it sounds great.

    I should have added valve components to my list of things that will benefit from isolation from vibration, bit of an oversight on my part there. When I had a valve phono stage I did use some Audio Technica sprung feet under it. Although I couldn't tell the difference and if I didn't already have the feet (part of a job-lot eBay purchase) I wouldn't have gone out and got any.
    Martin



    Current Lash Up:

    Technics SL1200P CD Player * NVA P90SA passive pre / Krell KSA50S Power amp * JM Lab Electra 926 loudspeakers *


    'This is the sort of music I'd be listening to if I was going shopping for a training bra.'

  10. #20
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 35,309
    I'm Geoff.

    Default

    I know what you mean. You can tour a Hi-Fi show and hear lots of set-ups that sound accurate, detailed and revealing with no nasties. But occasionally you visit a stand or room where the music comes to life. The difference is very obvious and few displaying makers seem to achieve this. Amongst others, I recall experiencing this at displays by Avant Garde, Spendor, C R Developments and of course Tannoy (even though the TD series I heard years ago was a bit grim.

+ Reply to Thread
Page 2 of 6 FirstFirst 1234 ... LastLast



 

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •