UK Voltage CJ Walker CJ55 in the USA? - diyAudio
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Old 1st December 2005, 03:45 AM   #1
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Unhappy UK Voltage CJ Walker CJ55 in the USA?

I have a CJ55 which I purchased in the UK, and is therefore 240V 50Hz, but I want to use it in the USA which is 110V 60Hz. What do I need to do? I believe the issue is the 10Hz difference which, if used unmodified, will apparently affect the speed? Would removing the resistor (?) make a difference? As you might notice, I'm no electrical engineer, but I really don't want to a) replace this, or b) use a step up transformer (or is this OK, sound/interferencewise?)

Help! I have watched my turntable gather dust for 9 years now, and have 3K LPs languishing in purgatory :-(

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Old 1st December 2005, 09:02 AM   #2
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I finally took the bottom off the base and have found that the motor body has a label with "110VAC 60Hz" printed on the bottom - does this mean I can simply put a US plug on it and plug it in without fear of damage?
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Old 1st December 2005, 09:57 AM   #3
sreten is offline sreten  United Kingdom
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Location: Brighton UK
Its very unlikely to be damaged by the lower mains voltage.

Though the current controlling resistors will be too high for
110VAC and the torque of the motor will likely be poor. The
value of the phase shifting capacitor may not be ideal at the
new operating point adding some vibration to the motor.

However it will still run at the wrong speed, far too fast,
machining down the drive pulley is an option.

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Old 3rd April 2006, 10:01 PM   #4
TIMR07 is offline TIMR07  United States
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Location: Los Angeles
Default Walker CJ55

I've got an old Walker turntable that seems to need a new motor. It sat for a few years with the belt on and has some kind of wobble now. Anyone know where I can find a replacement?
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Old 5th April 2006, 04:55 PM   #5
EC8010 is offline EC8010  United Kingdom
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Location: Near London. UK
Martin Bastin (of Garrard fame) makes a turntable power supply known as the "Wave Mechanic" that will produce 240V at 50Hz for your turntable.
The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference...
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