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servo control

  1. J

    Sansui P-D31 (direct drive, servo) plays slow, any way to fix?

    I scored a Sansui P-D31 turntable at Goodwill for 12 bucks. It’s definitely a weird one! All of the controls work beautifully, spins great, consistent speed… however, the speed for both 33 and 45 is consistently slow, by about a second each. I read through the manual and there doesn’t appear to...
    • jromeo
    • Thread
    • direct drive sansui sansui p-d31 sansui turntable servo control
    • Replies: 5
    • Forum: Turntables
  2. M50'sMike

    Velodyne HGS-18 Servo Hookup?

    Hey guys, have been on a long road trying to get my HGS-18 to work properly. Got it used 4-5 years ago, got a new driver and servo which helped, but long story short. I want to make sure the driver is hooked up to the servo properly there's a lot of pins on that side and the sub still cannot...
  3. Chuck Vance

    Denon DP47F Help

    I own a Denon DP47F and recently the servo control of the arm (left/ right) has stopped functioning. Pressing the directional button results in the tonearm assembly moving slightly (about 1/8") but that's it. Any suggestions on what I can look for if I open her up? Everything else works...
  4. M50'sMike

    Velodyne HGS 18 Repair

    Hello everyone, I have a rather specific inquiry regarding the Velodyne HGS 18. I bought the subwoofer a few months ago, but there are certain frequencies that make the sub bottom out, (even with gain at less than one) which should essentially not be happening. Because there are lower...
    • M50'sMike
    • Thread
    • repair replacement servo servo control sub woofer subwoofer subwoofer amp subwoofer repair velodyne
    • Replies: 0
    • Forum: Home Theater & Video
  5. J

    Denon 47F RPM issue

    I purchased a new Denon 47F turntable in 2003 and didn't try to set it up until 2016. It only operated at 1 speed which was not 33RPM. Brought it to an authorized Denon repair center and was told it needed new servo control, Denon part KU 5580. That part is no longer available and I haven't been...
    • Joel R
    • Thread
    • denon 47f denon ku 5580 servo control
    • Replies: 0
    • Forum: Turntables
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