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Thread: Lighter counterweight for an SL1200 arm

  1. #1
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,564
    I'm Kevin.

    Default Lighter counterweight for an SL1200 arm

    Can anybody advise if there is there a different model Technics counterweight weighing in at around 75 to 80g that will fit an SL1200 arm?
    Rather than having to add mass to the head, this will give me options for lighter cartridges.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  2. #2
    Join Date: Aug 2012

    Location: Denver, Colorado

    Posts: 458
    I'm Jim.

    Default

    Can you not adjust it to proper tracking with the current weight? Having the weight closer to the pivot is regarded as beneficial - to the end that in the manual for my Graham it is suggested to use the aux (additional) weight for the counterweight if possible within the range of adjustment, to keep the polar momentum to a minimum, as the heavier weight will be closer in.
    SP-10Mk2a, Graham 2.2 tonearm. SL-1200, Graham 2.2 tonearm, AT-150mlx, Benz-Scheu Glider. Jim & Ken Super DC PSU, Oil well bearing, Acromat, Isonoes, strobe lamp switched. Pass Labs Pearl 2. Aleph J amplifier. F6 Amplifier. Nelson Pass Burning Amplifier BA-3. Pass BA-PP linestage, miniDSP 4x10, Linkwitz Labs LXmini speakers, Sony SS-M7 speakers.

    DIY In progress - Syclotron Red Light district valve amp, ZenMod "Iron pre" autoformer jfet preamp, SYclotron 'His Master's Noise' valve phonostage. And about 2-3 other projects in various states at any time.

  3. #3
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,564
    I'm Kevin.

    Default

    I need the extra 3g on the headshell to get close to (but still under) the recommended tracking force, with the weight butted right up against the stop closest to the pivot.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  4. #4
    Join Date: Aug 2012

    Location: Denver, Colorado

    Posts: 458
    I'm Jim.

    Default

    Perhaps take the stock weight to a machinist and have it lightened or made smaller?
    SP-10Mk2a, Graham 2.2 tonearm. SL-1200, Graham 2.2 tonearm, AT-150mlx, Benz-Scheu Glider. Jim & Ken Super DC PSU, Oil well bearing, Acromat, Isonoes, strobe lamp switched. Pass Labs Pearl 2. Aleph J amplifier. F6 Amplifier. Nelson Pass Burning Amplifier BA-3. Pass BA-PP linestage, miniDSP 4x10, Linkwitz Labs LXmini speakers, Sony SS-M7 speakers.

    DIY In progress - Syclotron Red Light district valve amp, ZenMod "Iron pre" autoformer jfet preamp, SYclotron 'His Master's Noise' valve phonostage. And about 2-3 other projects in various states at any time.

  5. #5
    Join Date: Apr 2013

    Location: Manchester

    Posts: 25
    I'm Matt.

    Default

    There's a Technics cartridge spacer available that adds 3g, or Isokenetic do a rather good version, but you need to glue that to the cart so its not for everyone (works a treat with a Denon 103R thou imho). Both available on fleabay,
    Notts Analogue SpaceDeck, Jelco 250, Ortofon SPU #1E / Zu Denon 103 - Allnic H-1201 - Lyngdorf TDAI-2170 - Mac Mini - Martin Logan Electromotion ESL

  6. #6
    Join Date: May 2012

    Location: Toulouse, France

    Posts: 6,564
    I'm Kevin.

    Default

    Thanks for the suggestion.
    I have the 3G cartridge spacer. I need more to keep the original counterweight and maintain the recommended VTF.
    Kevin

    Too busy enjoying the music....

    European loan coordinator for Graham Slee HiFi system components..

  7. #7
    Join Date: Jan 2011

    Location: Eastern, US

    Posts: 1,869
    I'm afesteringvinylphile.

    Default

    I thought a poster on this forum made bespoke counterweights? Shuggie??

    EDIT: Or maybe it was "Speedy Steve"?

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  8. #8
    Join Date: Oct 2013

    Location: Wrexham

    Posts: 1,058
    I'm Darren.

    Default

    This is what I have going on:

    IMG_4105.jpg
    Darren.
    Listening Room.
    UNDER CONSTRUCTION
    Turn Table. Garrard 401, Reso Mat, 2 Tier Slate Plinth, DIY Hadcock GH242, Nick G modded Lentek, Denon DL-103.
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    Front Speakers. DIY Baby Celestion Ditton 66. Surround Speakers. Celestion Ditton 11. Subwoofer. BK Electronics P12 300SB PR.

    Old Gallery. http://theartofsound.net/forum/showt...-of-the-70%92s

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