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Thread: Cleaning CDs, to do or foo?

  1. #1
    Join Date: Oct 2011

    Location: Glasgow/Italy

    Posts: 866
    I'm Drew.

    Default Cleaning CDs, to do or foo?

    Hi

    While looking at Art du Son cleaning fluid for vinyl I noticed they also make a cleaning fluid for CDs. Now, while cleaning vinyl is clearly a must, I realised that I have never cleaned any of my CD collection- some of which are at least 25 years old- unless a blotchy print led to skipping etc. I suppose I've always thought if the laser is able to read a CD the sound will remain consistent unless the disk is subject to serious manhandling, deep scratching etc whereby it becomes unreadable i.e all or nothing. So...are there any possible sonic benefits to be gained by a good clean with an appropriate product or is it just unnecessary (and expensive) foo as I imagined?

  2. #2
    Join Date: Apr 2011

    Location: Surrey

    Posts: 4,162
    I'm Mike.

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    Picked up some Russ Andrews Relees on Ebay for not a lot

    Seems to work, but I'm too lazy to use it
    TAD CD / DAC / Pre, Technics 1210, MCRU PSU, Mike New Bearing & Platter, Stillpoints LP1 weight, Speedy Steve Ebony armboard, Fidelity Research FR64FX arm, Ortofon SPU. Aurorasound VIDA Phono Pre Amp, TAD Power Amp, TAD E1 speakers. Coherent RTZ 3 Grounding box, Coherent grounding cables, Creaktiv racks. Coherent Mains Cables. SR Blue Fuse. Interconnects : Coherent and Yannis 223.5 Connect Litz. Coherent speaker cable. Audio Magic Transcendence Conditioner. Coherent mains socket. Mains Filters : , PS Audio Harvesters, Russ Andrews Purifiers, Tacima, Vertex. Black Ravioli and RDC supports. Electric Beach S1NX platforms for TAD CD and Technics. Ferrite chokes everywhere except the above. Ears, brain

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  3. #3
    Join Date: Oct 2011

    Location: Glasgow/Italy

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    I'm Drew.

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    Work in what way ?

    Quote Originally Posted by MikeMusic View Post
    Picked up some Russ Andrews Relees on Ebay for not a lot

    Seems to work, but I'm too lazy to use it

  4. #4
    Join Date: Feb 2013

    Location: W Lothian

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    I'm Grant.

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    I usually use a dry soft lens wipe cloth
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  5. #5
    Join Date: Feb 2008

    Location: http://www.homehifi.co.uk

    Posts: 6,288

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    You only need to worry about cleaning things like finger print marks.

  6. #6
    Join Date: Oct 2011

    Location: Glasgow/Italy

    Posts: 866
    I'm Drew.

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    Quote Originally Posted by StanleyB View Post
    You only need to worry about cleaning things like finger print marks.
    Ok... but why? Assuming the cd continues playing, do fngerprints really affect sound quality/ reproduction??!
    Last edited by da2222; 28-09-2018 at 05:17.

  7. #7
    Join Date: Aug 2009

    Location: Staffordshire, England

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    I'm Martin.

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    Quote Originally Posted by da2222 View Post
    Ok... but why? Assuming the cd continues playing, do fngerprints really affect sound quality/ reproduction??!
    No. It will either play perfectly or it will skip or audibly glitch.
    Current Lash Up:

    TEAC VRDS 701T > Sony TAE1000ESD > Krell KSA50S > JM Labs Focal Electra 926.

  8. #8
    Join Date: Oct 2011

    Location: Glasgow/Italy

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    I'm Drew.

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    Quote Originally Posted by Macca View Post
    No. It will either play perfectly or it will skip or audibly glitch.
    What I thought... So foo it is?

  9. #9
    Join Date: Mar 2010

    Location: Sheffield

    Posts: 2,898
    I'm Simon.

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    Yup, if it's not audibly skipping then the error correction is working and the error recovery mechanism in cd is mathematically perfect, it simulates the exact data that was missing. If it skips or glitches then you have unrecoverable errors and a wipe might help.
    Kuzma Stabi/S 12", (LP12-bastard) DC motor and optical tacho psu, Benz LP, Paradise (phonostage). MB-Pro, Brooklyn dac and psu, Bruno Putzeys balanced pre, mod86p dual mono amps, Yamaha NS1000m

  10. #10
    Join Date: Mar 2014

    Location: West Wales

    Posts: 843
    I'm malcolm.

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    Small marks and dust should have no audible effect but larger ones and crud on the disk can lead to the error correction programs kicking in. One effect of this is to cause difficulties in frequencies above 22k which may be aliased down to audible levels thus causing 'noise', oversampling is used to reduce this.

    I've always been of the opinion that anything done to reduce errors 'seen' by the player is a good thing.

    I'm a fan of washing CDs with good old soap and water...I use a drop of washing up liquid.
    Audiophile Tosher

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