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Thread: Cartridge repairs by Northwest Analogue

  1. #1
    Join Date: May 2011

    Location: Preston, UK

    Posts: 926
    I'm Dominic.

    Default Cartridge repairs by Northwest Analogue

    For anyone interested, I am expanding my business to include cartridge repairs.

    The rebuilding extends to most cartridges. This obviously depends on
    each individual cartridge, and I will need to see the cartridge and
    examine what can be done.

    I have managed to do a deal with Fritz
    Gyger for their FGII, and FG S styli, not cheap but certainly one ,if
    not the best styli available.
    I will be able to re-tip existing cantilevers, or replace with solid ruby cantilevers, cartridge dependant of course.
    Plus I can replace suspension, tension wire, re-wind coils etc.
    This is incredibly intense work as you can imagine and as such will not be cheap.
    If a cartridge is in good order, just needing a new spherical or
    elliptical tip to the existing cantilever, this should cost around 60.
    If the cantilever is damaged and needs replacing, this can in most cases
    be replaced with a ruby cantilever and either a Fritz Gyger II, or S
    stylus, FGII with ruby cantilever 330, FG S with ruby cantilever 350.
    FG II retip to existing cantilever 130, FG S retip to existing cantilever 150
    If the cartridge has damaged suspension or coils, I will quote on an idividual basis.

    Bear in mind, the ruby cantilever and FG stylus will be a dramatic upgrade.
    I must add, there is another very important factor concerning mainly MC
    cartridges which never seems to be discussed elsewhere, that is
    missalignment due to use. What I mean is not everyone uses the
    lift/lower device on their arms, prefering to do the job by hand. This
    can cause tremendous strain on a cartridges suspension and in a lot of
    cases altering the suspension or even twisting the cantilever/coil
    assembly. I have examind many used and even brand new styli only to find
    azimuth issues and on used carts stretched suspension. Rubber
    suspension dampers are pretty hardy, but tension wires are not.
    Skewed cantilevers are a common sight on used carts. This is usually a result
    of a kink in the suspension wire. This is very difficult to remedy, not
    impossible. Some cantilevers are obviously bent, but this usaully means
    the wire is bent also, so it is not a great idea to try and bend it back
    yourself.
    Another notion going around is old carts have duff
    suspension, mainly going stiff over time. I have yet to find one that
    just needed a re-alignment of the azimuth and re-tension of the damper
    to be perfectly fine.

    For those interested, I will examine styli for wear, plus re-align coil and suspension for 70 plus return postage.
    If the stylus has excessive wear and no further work is appropriate, this will cost 25 plus return postage.
    Cartrides have always held a particular fascination to me, and now I have the means to do this rewarding and delicate work.

    In the background, I will be experimenting with at least one, maybe more,
    new cartridges of my own design, plus some tonearm and headshell idea I
    have. Watch this space!

    If anyone has any duff cartridges knocking
    about they no longer need, can you please get in touch with me with a
    view to forwarding them on for experimentation and knowledge purposes.
    Thank you.
    Dom
    www.northwestanalogue.weebly.com

    Goldring G800 in pieces showing its construction


    G800 after re-tip


    Close up of G800 tip


    Denon DL110


    DL110 with new hand made cantilever and Shibata tip


    Supex coil formers being hand made


    Hand winding the coils

  2. #2
    Join Date: May 2008

    Location: A Strangely Isolated Place in Suffolk with far away trains passing by...

    Posts: 14,560
    I'm David.

    Default

    I have a practically new Koetsu Black with no more than a few hours use on it. It tracked superbly and sounded great until a channel went. It's sat in its box for years until last weekend or so, when I finally dared to carefully remove the bottom cover, held in place by a flexible adhesive. One of the coil wires has indeed fractured, around 2mm behind the coils proper (roughly in line with the adjusting screw). I don't have huge funds at present, nor the inclination to want to use this as a main cartridge, but without re-winding the coils, could the broken wire be spliced somehow?
    Tear down these walls; Cut the ties that held me
    Crying out at the top of my voice; Tell me now if you can hear me

  3. #3
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,365
    I'm InSpace.

    Default

    Hi Dom,

    I have an Audio Technica ART-1 that I wouldn't mind having inspected/serviced or maybe even retipped if it needs it. Are you interested in taking it on?

    I'll have a look around for any deceased cartridges I might have lurking around... if I can find any you're welcome to them!

    Cheers...
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  4. #4
    Join Date: May 2011

    Location: Preston, UK

    Posts: 926
    I'm Dominic.

    Default

    Hi, the Koetsu will need a re-coil I'm affraid. It is impossible to splice the wire.
    The wire will be around 30 micron diameter and will have an enamel coating. Even if it were possible to connect the wire, there would be a channel imbalance due to the solder joint and the impedance would also suffer.
    Sorry for the bad news. If you require a re-coil, this will cost around 300, but bear in mind the sonics may change. I do tend to specialise in Supex and Koetsu's are very similar.

  5. #5
    Join Date: May 2011

    Location: Preston, UK

    Posts: 926
    I'm Dominic.

    Default

    Hi Mike, I can certainly look at the ART for you and advise what needs doing. I will however charge a small fee for inspection.
    Drop me an email if you wish me to inspect the cart.
    Dom

  6. #6
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,365
    I'm InSpace.

    Default

    Quote Originally Posted by Dominic Harper View Post
    Hi Mike, I can certainly look at the ART for you and advise what needs doing. I will however charge a small fee for inspection.
    Drop me an email if you wish me to inspect the cart.
    Dom
    Hi Dom,

    No problem with that... is your email address on your website?

    Cheers...
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  7. #7
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,365
    I'm InSpace.

    Default

    Found it and email sent!
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  8. #8
    Join Date: May 2011

    Location: Preston, UK

    Posts: 926
    I'm Dominic.

    Default

    Hi Mike, yes it is, but here it is anyway,
    northwestanalogue@hotmail.co.uk

    Cheers,
    Dom

  9. #9
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,365
    I'm InSpace.

    Default

    Beat ya too it!
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

  10. #10
    Join Date: Feb 2008

    Location: North East UK

    Posts: 6,365
    I'm InSpace.

    Default

    PS. You have a PM.

    Cheers...
    Shian7
    --------------------------------------------------------

    Kudakutemo
    kudakutemo

    ari mizu-no tsuki

    Though it be be broken -
    broken again - still it's there:
    the moon on the water.

    - Choshu.

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