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Music is slow.. loose belt?
Music is slow.. loose belt?
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Old 8th February 2009, 07:24 PM   #1
otaku is offline otaku  New Zealand
diyAudio Member
Join Date: Jan 2004
Location: Christchurch
Default Music is slow.. loose belt?

Anyone familiar with this Kriesler turntable?
It's made in Taiwan, perhaps by some company that has bought the old Kriesler radiogram brand..

I bought it from internet auction, and found the music is slightly slower than it should be. It's belt driven and runs off from a powerpack adapter (doesn't look original to the turntable). It has two speed options 33, and 45. No fine adjustment.

My feeling is that the belt is loose or the voltage from the powerpack is slightly lower than it should be.
Really, what else can go wrong with a turntable??
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Old 16th February 2009, 12:32 AM   #2
ralphfcooke is offline ralphfcooke  United Kingdom
diyAudio Member
Join Date: Jun 2007
If it was originally designed for the US or Japanese market, where the power is fed at 60Hz, and has a synchronous motor, and you live in a country where the frequency is 50 HZ, then the turntable will run at 5/6th of the expected speed.
If this is the case your options are to either build a separate 60Hz psu or to change the pulley to one 20% bigger.

Good Luck
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Old 23rd February 2009, 11:20 PM   #3
otaku is offline otaku  New Zealand
diyAudio Member
Join Date: Jan 2004
Location: Christchurch
Thanks for your reply.
This turntable runs off a 5V DC power adapter. So 50Hz and 60Hz should not be an issue. The seller of this turntable offered to replace the power pack, which supplies more current. This fixed the speed problem.
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