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Trichord Clock mods for FREE

Discussion in 'Home Cinema Building DIY' started by Nic Rhodes, Nov 24, 2002.

  1. Nic Rhodes

    Nic Rhodes
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    Trichord Clock mods

    Well much has been said about SPDIF / DACs in recent weeks. It seems to me that many people are under the mistaken belief that if all the 00010101 are correct then everything will be hunky dory. Well in order to enlighten at least a few more people here I am prepared to give away one, possibly two Trichord clock 2 circuits with fitting instructions. They are for players with Philips 7220 digital filters (11.289 MHz). This will include many players from 1990 to 1997 era based on Philips technology. IT IS NOT SUITABLE FOR ALL PLAYERS.

    Suitable players include:

    Arcam Alpha
    Arcam Alpha 5
    Arcam 70.2
    Arcam 170 and 170.3
    Arcam Delta 70
    Arcam Delta 270
    Marantz CD10
    Marantz CD52 / SE
    Marantz CD72 / SE
    Micromega Leader
    Mission PCM 7000
    QUAD 66 / 67
    Rotel 965 BX / Discrete

    or any other Philips SAA 7220 equipped player.

    The circuit is simple to fit (three wires) and will need a couple of components removing (which are replaced by ones the new circuit board). Most competent DIYers will have NO problem but I cannot accept any responsibility if you cock it up.

    The circuits are left over from my thick end of 15 years ‘playing with jitter’. They can be improved with the Trichord dedicated power supply, the replacement Clock3 or the Digital Interface Board but the Clock 2 will amaze everyone with it’s ability. I have literally fitted dozens to friends players. I cannot recommend these highly enough.

    I have one, possibly two to give away, if you can convince me you can fit them and you are worthy. Any takers? All I ask is you post you results here in the forum.
     
  2. Flimber

    Flimber
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    I have a Pioneer PD-9700 and I always wondered if the player would improve some with this mod. I love the Pioneer on classical replay but the possibility of even better reproduction is a bit exciting (!).

    I'm off now to see if it'll accept one of these, in which case I would certainly be happy to recieve one.

    Mike.

    EDIT: Aw shucks, mine's a 16Mhz machine, think it was the original trichord mod which applied :(
     
  3. ReTrO

    ReTrO
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    I've got an Arcam Alpha CD, and would love a an extra bit for it if it worked properly in the first place. Sadly it's a 2nd from work and the lasers shot, over used.:D

    I'm pretty sure I could do the mod mind.:)
     
  4. Nic Rhodes

    Nic Rhodes
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    I thought there would be more interest here, perhaps I should start charging :D

    Richard

    PM me your details if you want to have a go.
     
  5. ReTrO

    ReTrO
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    My Alpha CD is sitting in my bedroom at the moment, quite a distance away. I should be able to get it at Crimble though.
     
  6. petrobas

    petrobas
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    I'd be interested in fitting one to my Rotel 965 if one is still available ?
     
  7. Nic Rhodes

    Nic Rhodes
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    PM me your address and I will post one off.

    Richard

    I will keep the other for you, let me know when / if you need it.
     
  8. Mark Ward

    Mark Ward
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    Would this work with my Marantz CD17?

    Cheers,

    Mark.
     
  9. Nic Rhodes

    Nic Rhodes
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    Mark

    I think the 17 needs a different freq but a quick email to tricord would solve that one. I suspect it would work, very well.
     
  10. petrobas

    petrobas
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    You have pm for my address Beekeeper
    Cheers
     
  11. Mark Ward

    Mark Ward
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    Hi Beekeeper
    Trichord Website states Marantz CD17 Mk I as 16.9344MHz.

    I take it this means your kind offer won't work with this model?

    Many thanks,

    Mark.
     
  12. Nic Rhodes

    Nic Rhodes
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    afraid not:(
     
  13. petrobas

    petrobas
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    Makes no difference at all in my Rotel 965 cd player .
     
  14. Nic Rhodes

    Nic Rhodes
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    chill out I 've been away and I had to get instructions copied for you. Will be dispatched tomorrow.
     
  15. petrobas

    petrobas
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    Nothing received yet , if you haven't sent it out then give it to someone else . Lost interest in the mod now.
    Thanks for the offer anyway.
     
  16. Nic Rhodes

    Nic Rhodes
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    Dispatched over a week ago :(
     
  17. petrobas

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    Maybe caught up in the Xmas post , I'll give it a try when it arrives & report any improvements . Seen a few reviews on it & it seems to be a worthwhile improvement .
    Any ideas on what Rotel did to the standard 965BX to make the cd player a " Discrete " version ? A clock change maybe ?
    Thanks again.
     

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