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Posted

I recently purchased an NPR motor that the seller said was called a "Goldtone" motor. Besides it working, he had no other info about it.

The motor has no markings or labeling anywhere, and I have yet to be able to test the frame rate. The Goldtone appears to be a copy of the stock "Perfectone"  motor, even fitting into its tripod cradle. However, it's missing the pilotone cannon plug, the on off button is instead a chunkier switch, and it takes a 5-pin XLR style plug for power, whereas the Perfectone takes the more common 4-pin.

Searching for this motor online yields no results. I'd be curious if anybody has encountered these before or knows more information.

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  • Premium Member
Posted

I've seen a lot of different connectors on Perfectone motors, not necessarily all stock - it's an easy swap if you want to accomplish something else.  Maybe the pilot tone signals are on that connector too?

Duncan

  • 3 weeks later...
Posted (edited)

I've done some more testing on the motor, it looks like only pins 4 and 5 are actually wired to do anything. Pin 5 is hot and pin 4 is  ground. Included with the motor was a 5 pin XLR to wall plug, which brings the motor to life. However, I've learned that the motor takes only this 12v AC wall power, so using DC batteries doesn't work. Thich is a shame, because I'd much rather power my Eclair via batteries. This leads me to believe that this motor was designed for studio use.

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Edited by Jack Amadon
  • Premium Member
Posted

An AC motor is almost certainly a sync motor, something you'd probably want in studio use when recording sound too.

12VAC is a least a lot easier to deal with than 120VAC!  There's probably some way to make a say, 24VDC-powered power supply that puts out 12VAC with enough amps to run your motor.  

Duncan

Posted
23 hours ago, Duncan Brown said:

An AC motor is almost certainly a sync motor, something you'd probably want in studio use when recording sound too.

12VAC is a least a lot easier to deal with than 120VAC!  There's probably some way to make a say, 24VDC-powered power supply that puts out 12VAC with enough amps to run your motor.  

Duncan

I already purchased one of these from Pluriboom Film before I knew what I actually had. I'd be curious if there would  be some way to convert it from 12v DV to 12v AC with an inverter. Might just be a dead end though. A 24v DC-powered power supply that puts out 12v AC is a good idea, I'll look into that. Thanks Duncan!

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