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In Reply to: RE: Servo Drive Basstech 7 Repair thread! posted by ghaleon on June 4, 2008 at 18:46:55:
That looked like a fairly common Pacific Scientific servo motor. They show up on eBay regularly, and surplus dealers like Brigar sometimes have them. Use archive.org to see the old "Contrabass Corner" web site which had a list of compatible motors. From your picture, it looked like this is one of the off-the-shelf 0.89 ohm motors, rather than the custom made higher-impedance motors. Right now, there is in fact a new-in-box 4VM62 for auction on eBay.
My kit-built Contrabasses also have a "grumbling" sound that follows the bass. I suspect the neoprene belt or the pads take a set in the rest position, because I could feel a sort of notch when I rotated the shaft by hand. Some reviews also mention hearing this, so presumably it isn't just a flaw in my assembly.
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Follow Ups
- RE: Servo Drive Basstech 7 Repair thread! - Bubba 15:17:42 06/05/08 (2)
- RE: Servo Drive Basstech 7 Repair thread! - ghaleon 16:06:55 06/05/08 (1)
- RE: Servo Drive Basstech 7 Repair thread! - servojohn 12:37:28 06/06/08 (0)
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