What universal protractor is best for a dedicated 7" single cart?

Discussion in 'Audio Hardware' started by colby2415, Mar 20, 2017.

  1. colby2415

    colby2415 Well-Known Member Thread Starter

    Location:
    Canada
    I figure one with the null points closest to the spindle are better, but I am not sure if there is a "universal protractor" of sorts that lets you align for what's best on 7" records? I think i did use the baerwald one for my main cart, if i recall correctly. Which one would be best? Unfortunately a universal protractor is best as I don't know much about spindle to pivot, etc.
     
  2. McLover

    McLover Forum Resident

    Location:
    East TN
    What turntable and arm are you using?
     
  3. colby2415

    colby2415 Well-Known Member Thread Starter

    Location:
    Canada
    Its a systemdek iix, with a profile tonearm (pretty sure its a profile II). Can't really find much info on it, but I figure I could just use a generic like i did before, unless this would give me noticeably better results?
     
  4. missan

    missan Forum Resident

    Location:
    Stockholm
    Yes if You really want an alignment just for 7", You can use Stevenson 2. Which means an inner null of 54mm and an outer null of 83mm.
     
  5. McLover

    McLover Forum Resident

    Location:
    East TN
    Yes, Stevenson 2 works great for 45 RPM duty.
     
  6. colby2415

    colby2415 Well-Known Member Thread Starter

    Location:
    Canada
    Ok, good to know. Is the stevenson protractor on the vinylengine the correct one? If not, do you know where I can get it?
     
  7. Aerobat

    Aerobat Well-Known Member

    Here's a nice template generator that you can customize to the arm and record size.

    TemplateGen.EXE
     
  8. colby2415

    colby2415 Well-Known Member Thread Starter

    Location:
    Canada
    I have seen this generator before, but what about if you don't have the specifics like the spindle to pivot?
     
  9. missan

    missan Forum Resident

    Location:
    Stockholm
    You just take a paper. Pinch a hole that fits over the spindle. Draw a line and mark 54mm and 83mm from spindle center. Make two perpendicular lines at these null points.
     
  10. Aerobat

    Aerobat Well-Known Member

    The distance can be measured with a yardstick or you can look it up in the database at Vinylengine.
     

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