Old 11-19-2019, 05:35 PM
  #18  
mkc
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Join Date: Jan 2013
Posts: 1,163
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Isn't the 7550 a 6mm machine, vs. the 6650 being a 9 mm one? How does the fabric ride relative to the feed dogs on each? Is it fully on both sides of the 6650? I'm wondering if that could be part of the difference as well.
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