+ Reply to Thread
Page 1 of 2 12 LastLast
Results 1 to 10 of 11

Thread: tracking error of SME 3012

  1. #1
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,461
    I'm AnDreW.

    Default tracking error of SME 3012

    Does anyone know the tracking error of a SME 3012 or SME V-12? I've heard that 12" tonearms like the 3012 have a tracking error of 0.67%, is this true?
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen+Duelund Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  2. #2
    Join Date: Sep 2012

    Location: Derbyshire

    Posts: 524
    I'm mark.

    Default

    If you put the numbers in Vinyl Engine, Lofgren A submits 0.47% maximum distortion.

    I'm assuming maximum distortion = tracking error ? I can always be wrong though

  3. #3
    Join Date: Sep 2017

    Location: Dublin

    Posts: 453
    I'm Pavel.

    Default

    No, tracking error is the difference between the ideal tracking angle (when the stylus is tangential to the groove) and the actual tracking angle.

  4. #4
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,461
    I'm AnDreW.

    Default

    The only reason I ask is because I'm considering a 16" tonearm and just want to see how much of an improvment in tracking error improves from 12 to 16"
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen+Duelund Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  5. #5
    Join Date: Sep 2012

    Location: Derbyshire

    Posts: 524
    I'm mark.

    Default

    Quote Originally Posted by Shovel_Knight View Post
    No, tracking error is the difference between the ideal tracking angle (when the stylus is tangential to the groove) and the actual tracking angle.
    Same figures show 1.36 degrees maximum error. With 16" arm that goes down to 1 degree. Distortion from 0.47>0.34%.

    Same as everything, which set of compromise's do your ears prefer? Extra length may reduce distortions, but adds it's own issues with rigidity, effective mass and lots of other technical issues.

  6. #6
    Join Date: Sep 2012

    Location: Derbyshire

    Posts: 524
    I'm mark.

    Default

    Doh, wrong again, I'm off :-)

  7. #7
    Join Date: Jan 2009

    Location: Essex

    Posts: 24,449
    I'm openingabottleofwine.

    Default

    For a given arm geometry both the offset angle and overhang are inversely related to the effective arm length.

    The distortion caused by deviation from tangential tracking is proportional to the tangent of the angular error, so is more or less inversely proportional to the effective arm length.

    Thus the tracking distortion of a 12" arm will be 3/4 of that for a 9" arm: in the case of the SME arms 0.65% maximum distortion for the 3009, and 0.49% for the 3012.

    It therefore follows that a 16" arm will have 3/4 of the distortion of that for a 12" arm, or 0.37%.

    However longer arms will have their own disadvantages: increased effective mass and reduced torsional and flexural rigidity, so are not a panacea by any means.
    Barry

  8. #8
    Join Date: Jan 2014

    Location: Northants

    Posts: 258
    I'm Martin.

    Default tracking error of SME 3012

    Quote Originally Posted by DiveDeepDog View Post
    Same as everything, which set of compromise's do your ears prefer? Extra length may reduce distortions, but adds it's own issues with rigidity, effective mass and lots of other technical issues.
    A ten inch tone arm is a very good compromise in terms of rigidity and effective mass.

    Try to hear a Phonomac modified Audio Technica AT 1010 (PMAT1010) superb sound quality, dynamic and highly detailed with both MC and MM cartridges. Completely outclassed my SME IV.

  9. #9
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,461
    I'm AnDreW.

    Default

    Quote Originally Posted by disarmamant View Post
    A ten inch tone arm is a very good compromise in terms of rigidity and effective mass.

    Try to hear a Phonomac modified Audio Technica AT 1010 (PMAT1010) superb sound quality, dynamic and highly detailed with both MC and MM cartridges. Completely outclassed my SME IV.
    I was in the market for one but he couldn't do a 12" version. Ah well.....
    SS

    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe/Ebony PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    VALVE

    PRE
    Croft Epoch(Modified) AMP Sondex S100 (Modified) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3009/3012(Ikeda Ag wired) SME V 12 PSU Eagle+Tachometer MC Ag Meister v2 / Royall N SPU's CABLES Arm Yannis 420.5 Litz+ Speaker 10mm Cu + WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Modded) / EAR 834 Clone (modded)

    REAL SOUND


    PRE Radford SC25 (Mullard ECC83/82) POWER RADFORD STA25 Renaissance (Electroharmonix EL34) SPEAKERS Celestion Ditton 15 (Duelund Rewired/Jantzen+Duelund Recapped) CABLES Speaker - Duelund AWG 12IC - Belden 8402+Switchcraft RCA



  10. #10
    Join Date: Jan 2014

    Location: Northants

    Posts: 258
    I'm Martin.

    Default tracking error of SME 3012

    Quote Originally Posted by REXTON View Post
    I was in the market for one but he couldn't do a 12" version. Ah well.....
    Why do you need a 12 version?

+ Reply to Thread
Page 1 of 2 12 LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •