Hum issues with Ortofon Quintet Mono cartridge

Nov 1, 2018
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#1
I recently purchased a mono quintet MC cartridge and I am experiencing hum through a Pass labs Xono phono preamp. I have no hum with any other cartridges I own. I took the cartridge to my local brick and mortar where i puchased it and listened to it on the same turntable I have (technics 1200G) and no hum. They were using McIntosh preamp. I am perplexed.

Does anyone have any ideas whats going on?
 

Gregadd

WBF Founding Member
Apr 20, 2010
6,631
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Metro DC
#2
My guess is improper grounding.It could be anything from a loose connection to a frayed or crimped wire.
 

Gregadd

WBF Founding Member
Apr 20, 2010
6,631
40
48
Metro DC
#5
Strange things happen. Try grounding the turntable to something other than the preamp. Some problems I had.
1.I misinterpreted the color coded dots on the back of the cartridge.
2. One of the connectors to the cartridge pins was slightly oversized.
3. The turntable was to close to the amplifier.

I had this problem at its' worse with a Grace F9e and a Phillips GA 212. The closer my hand got to the head shell, the louder the hum. I required professional help.
 
Nov 1, 2018
11
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#6
Ortofon tells me I have to come out of the Phono preamp out of one channel and use a y connector Because its dual mono. Really... Cmon man.
 

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