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  1. #1

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    Default Turntable clipping at higher volume?

    My best turntable has been in my garage set up all summer hooked directly to a Nad integrated. Now that it is getting cold out. I no longer hang out in the garage so I moved TT back in to main HT set up w Marantz and a BBE Phono pre. Now I get a hum or clip at higher volumes? I do not know of doing anything differently than last spring when I last had it hooked up. Ground wire from TT is hooked up to phono pre. My fronts are now SDA SRS and I used my RTi 12's before? Thanks in advance. Darryl

    Pioneer Elite SC 63
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    Oppo DV981HD cd transport
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    Sanyo DC Servo player TP 727 turntable
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  2. #2

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    No noise in other location? Doesn't sound like a ground fault,you would hear that at any volume. What power supply turns your platter?
    if not DC then it's AC line noise,not sure but I'd check that first.

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    Could it be vibration affecting the tonearm at higher listening levels?

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    Quote Originally Posted by michaeljhsda2 View Post
    Could it be vibration affecting the tonearm at higher listening levels?
    I'd go along with this according to what has been presented. I'll bet the bass is better with them SDA SRS.

    A turntable is a mechanical pickup system. The sensitivity of a turntable to vibration depends upon the room acoustics, the turntables location in the room, and how it is supported. Isolation is great for floor/rack vibrations but the table is still susceptible to airborne vibes. You may have to experiment with isolation or relocating the table. I would do that before thinking of trying a subsonic/rumble filter.

    EDIT:
    BTW I've experienced what I described with my rig. If I do a south wall setup with the table between the speakers, there is no playing vinyl above 75dB SPL. Table and gear on side wall, I can go to over 100dB SPL and lose some hearing.
    Last edited by SCompRacer; 11-14-2012 at 02:51 PM.
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  5. #5

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    Good point! Db will have an effect on pickup,especially at higher pressure levels,feedback,vibration,ect.

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    Makes a lot of sense too me since TT is placed right in front of passive on SDA's. I will check it out tonight thanks for the help. Darryl

    Pioneer Elite SC 63
    SDA SRS 1.2 front
    Rti12 rear
    FXiA6 sides
    Emotiva XPA 3
    Adcom GFA 555
    CSiA6 center
    PSW505 Subwoofer
    Original PS3 60G
    Oppo DV981HD cd transport
    Mitsubishi 73 rear projection
    Sanyo DC Servo player TP 727 turntable
    Monster HTS 5100MKII
    TheBlaze
    MIT MH-750 cables

  7. #7

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    That was the problem. moved it away from front of speaker and sounds great at high volumn. thanks as always,Darryl

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    Cool Y W

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