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Thread: Uni-Pivot tonearms?

  1. #1
    Join Date: Jan 2018

    Location: Blackpool UK

    Posts: 86
    I'm Steve.

    Default Uni-Pivot tonearms?

    Iíve just bought one of these off eBay, lovely well made piece of kit, the attention to detail is excellent. I set it up in about an hour. Compared to the modded Rega RB250 I was using before, there is a lot more air around the instruments and vocals, larger soundstage and greater clarity.
    Iím very impressed with my first foray in to the wobbly world of the Uni.

    Any other fans?




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  2. #2
    Join Date: Jan 2009

    Location: Essex

    Posts: 25,058
    I'm openingabottleofwine.

    Default

    It's not an arm I have see before - who is the manufacturer?
    Barry

  3. #3
    Join Date: Feb 2010

    Location: Bridgend, Wales

    Posts: 170
    I'm James.

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    That's an Andy McNally special. See his Facebook page: https://www.facebook.com/northhillaudio
    Nottingham Analogue Spacedeck / Kuzma Stogi S / Benz Micro Ace S L
    Lenco L-75 / Carl Ellis Plinth / Ortofon AS-212 / Ortofon SPU Classic GM E MkII
    Ortofon ST-7 SUT / Nick G Modded Lentek Head Amp / Croft RIAA

    Cambridge Audio CXU / Theta DS Pro Prime

    Classť Model 30 / Luxman M-383

    Usher Compass X-719


    May contain opinions that others find disturbing.

  4. #4
    Join Date: Apr 2016

    Location: Gravesend and France

    Posts: 1,460
    I'm paul.

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    Yep love Ďem. Have a copy of a Wilson Benesch unipivot but made from rosewood that I am not using right now. Have made two other unipivots, one I made from an oak drumstick I cut in half and routed a groove for the cable. Glued together and made the rest from brass, the other I turned on the lathe from rosewood. Very good results from them both. The pivots I made from a steel spike pivoting on a watch/clock jewel. I now use a stax UA-70 that is a kind of unipivot that I cannot describe as I wouldnít dare to take it apart to find out
    Bakoon 11R Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus, project ds2 digital Rullit silver lab 8 field coils in tqwt speakers

    Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons yulong dac Sony STR6055 receiver Jvc QL-A51 direct drive turntable, Leema sub. JVC Z4S cart is in the house

    Garage system another Sony receiver, cassette deck


    System components are subject to change without warning and at the discretion of the owner.

  5. #5
    Join Date: Jan 2018

    Location: Blackpool UK

    Posts: 86
    I'm Steve.

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    Thatís the very fellow, Andy is a great chap and the arm is outstanding, itís made the VM-750SH sing, detail is up a notch, next Iíll try my MC carts. The brass collar allows for mass to be altered to suit MC or MM.


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  6. #6
    Join Date: Jan 2018

    Location: Blackpool UK

    Posts: 86
    I'm Steve.

    Default

    Quote Originally Posted by paulf-2007 View Post
    Yep love Ďem. Have a copy of a Wilson Benesch unipivot but made from rosewood that I am not using right now. Have made two other unipivots, one I made from an oak drumstick I cut in half and routed a groove for the cable. Glued together and made the rest from brass, the other I turned on the lathe from rosewood. Very good results from them both. The pivots I made from a steel spike pivoting on a watch/clock jewel. I now use a stax UA-70 that is a kind of unipivot that I cannot describe as I wouldnít dare to take it apart to find out
    Theyíre interesting things, might have a go at making one myself, but for £300 not sure itís worth the time?


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  7. #7
    Join Date: Apr 2016

    Location: Gravesend and France

    Posts: 1,460
    I'm paul.

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    Quote Originally Posted by SteveH1960 View Post
    They’re interesting things, might have a go at making one myself, but for £300 not sure it’s worth the time?


    Sent from my iPhone using Tapatalk
    it doesn’t have to cost that much, more about having the time.
    Bakoon 11R Denon DP80 Stax UA-70 Shure Ultra 500 in a Martin Bastin body with jico stylus, project ds2 digital Rullit silver lab 8 field coils in tqwt speakers

    Office system, DIY CSS fullrange speakers with aurum cantus G2 ribbons yulong dac Sony STR6055 receiver Jvc QL-A51 direct drive turntable, Leema sub. JVC Z4S cart is in the house

    Garage system another Sony receiver, cassette deck


    System components are subject to change without warning and at the discretion of the owner.

  8. #8
    Join Date: Jan 2018

    Location: Blackpool UK

    Posts: 86
    I'm Steve.

    Default

    Just a question to you chaps. My new tonearm has a sliding weight on the arm wand, to make it ďvariable massĒ?
    Itís great with MM, it put my VM-750 up a notch.
    I then tried a Koetsu Black which while sounded great, it didnít have the impact of the 750, is this because of the tonearm mass?


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  9. #9
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 46,534
    I'm Geoff.

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    Quote Originally Posted by SteveH1960 View Post
    I then tried a Koetsu Black which while sounded great, it didn’t have the impact of the 750, is this because of the tonearm mass?
    One way to find out would be to temporarily add a decent lump of BluTak to the top of the headshell and rebalance the arm. If it sounds beefier, you have your answer. A headshell weight can then be considered.
    Repeat after me 'I must not look on ebay! I must not look on ebay! I must not look on ebay! I must not look on ebay!

  10. #10
    Join Date: Jan 2018

    Location: Blackpool UK

    Posts: 86
    I'm Steve.

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    Quote Originally Posted by walpurgis View Post
    One way to find out would be to temporarily add a decent lump of BluTak to the top of the headshell and rebalance the arm. If it sounds beefier, you have your answer. A headshell weight can then be considered.
    Iíll give it a go, thanks.


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