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humming interconnects

I have a set of used Klyne dragonfly interconnects.

I had them connecting my new turntable to the Klyne pre -- and I was hearing a hum... so I checked the ground, etc.

I determined it was the interconnects -- the set I substituted do not hum and when I connected the Klyne's to the AUx -- the same hum.

any ideas how to fix or are these interconnects done for? what would cause this?

thanks.
relsteamboat
nick_sr
263 posts
 
You can check that easily if you have a multimeter or ohmmeter.

Excuse my ignorance, can you please describe how this is done exaclty?

Thanks
almarg's avatar
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almarg
9,670 posts
 
Set the multimeter to the R x 1 resistance scale, or whatever its lowest resistance scale is. Touch the two test leads from the multimeter to each other, and adjust the meter so that it reads zero ohms. Then touch one lead of the meter to the ground shell of the rca connector at one end of the cable, and touch the other lead of the meter to the ground shell of the rca connector at the other end of the cable.

The reading should be close to zero ohms, and should certainly be well under 1 ohm.

While you are at it, make a similar measurement between the center pins of the two rca connectors. The reading might be slightly higher, because of the relatively narrow gauge of the inner conductor of the cable, but will most likely also be well under 1 ohm unless the cable is particularly long.

Regards,
-- Al
ttorigin
6 posts
 
I had the same problem with a pair of vdH The First. Couldn't do much about it so had to change to other cables.
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