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RE: Servo Drive Basstech 7 Repair thread!

99.141.133.5

A properly operating module, operated outside of the cabinet, will make some small amount of mechanical noise, most notably the "clicking" of the motor brushes as the shaft changes direction many times a second. Do not operate the module or complete subwoofer without a crossover high passed around 80-100hz. Have you used an air line with spritzer to blow any and all dust out of the motor, blower, the belts, arms, and generally any moving part?
The worst case scenario is what you have to check for-is the motor damaged?
You could have bad bearings, bad brushes, damaged commutator, overheated winding, or cracked winding. Typically, this means dismantling the motor from the drive shaft assembly, and get in your hands to look closely at it, and feel how it spins without anything attached.

Best regards,

John


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