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Old CV-500 vs. New CV-750 Tumblers

What is the difference between the 'old' CV-500 tumbler and the new CV-750?

-- JLO

I read on another forum that it is the same size as the 500 but uses a larger motor. It will be available as an upgrade but needs to be used with the new style base.

The new 750 motor is a larger, sealed motor. It runs on DC power, with a rectifier to turn AC power from the circuit into DC power for the motor.

I have read on another forum that the 750 doesn't vibrate as vigorously as the 500, and it takes longer to clean the brass. Is this because of the DC motor vs AC? or is it even true. I need a new tumbler and am now confused about what to buy. My 500 died and I was thinking about the 750.

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