Recent content by volken

  1. V

    What turntables do you use? Pictures would be nice as well :-)

    Yes nice single phase supply .
  2. V

    What turntables do you use? Pictures would be nice as well :-)

    Yes sorry for the confusion wrong picture at the measurement picture , the three wires going directly to the powersupply.
  3. V

    What turntables do you use? Pictures would be nice as well :-)

    Yes good solution No not a two phase I understand that you cant read German language Let me translate what Papst said about the motors in the documentation ,,, Papst aussenlaufer motors were mainly build with three phase coils ,,
  4. V

    What turntables do you use? Pictures would be nice as well :-)

    Yes this motor has very good speed stability here is a test setup with a Studer capstanmotor driving a stack TD124 platters. Three phase drive .
  5. V

    What turntables do you use? Pictures would be nice as well :-)

  6. V

    What turntables do you use? Pictures would be nice as well :-)

    The Papst is a better motor then the E50 imho but you need to tune the phasecap with single phase drive for minimal vibration. But as said earlier three-phase is the best solution , you never get a shaded pole motor quiet from itself , decoupling with springs gives is the best way to go.
  7. V

    What turntables do you use? Pictures would be nice as well :-)

    As you know to find out what kind of motor it is you can use the motor itself as generator this is what I have done with the Thorens 902 5014 07 motor in the picture , 120 degr between the coils . Also a statement from Papst itself that the motors have standard a three phase coils that can be...
  8. V

    What turntables do you use? Pictures would be nice as well :-)

    Will do that tomorrow
  9. V

    What turntables do you use? Pictures would be nice as well :-)

    Most Papst motors are build as three-phase as can be seen in the technical data sheets, a Bodine NYC-12 is a two-phase motor with two coils , Papst have three coils.
  10. V

    What turntables do you use? Pictures would be nice as well :-)

    The standard motor is the E50 a shaded pole motor which is a single phase motor.
  11. V

    What turntables do you use? Pictures would be nice as well :-)

    Measurements between single and three-phase drive
  12. V

    What turntables do you use? Pictures would be nice as well :-)

    Yes the so called Steinmetz drive solution because turntables always were used on mains supply, vibration measurements shows the 100 hz (50hz drive ) vibration clearly. With the 124 I use the mechanical speed change so no adjustment needed for the drive adjustment, small speed corrections are...
  13. V

    What turntables do you use? Pictures would be nice as well :-)

    No vibration the best way to drive a three-phase motor and very good speed stability because it's is synchronous motor.
  14. V

    What turntables do you use? Pictures would be nice as well :-)

    My Thorens TD124 Reference with Synchronous Papstmotor <not the Thorens asynchronous Papst> and Three phase powersupply .
  15. V

    What turntables do you use? Pictures would be nice as well :-)

    Thorens TD124 Reference with Papst synchronous motor and Three phase powersupply .
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