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Tracking down a vinyl problem

post #1 of 3
Thread Starter 

Hey folks. I'm having issues with distortion in the high frequencies on most of my records. It's mostly (as usual) towards the end of the side, and 'S's and 'T's send a moderately noticeable distortion to my headphones. Now, I realize what causes distortion can be a number of things like tracking force, misaligned cartridge, the shape of the stylus, etc.

 

Here is what I'm working with, then we can get down to my questions:

-Older(10 years?) Sherwood receiver with a phono stage

-Technics SL-BD20 TT- (factory-set anti-skate, has adjustable tracking force only)

-Grado Prestige Black cartridge (P-mount)

 

My main questions are:

a) Could the cause be the anti-skate, even though it was pre-set at the factory?

b) Could the cause more likely be tracking force? (I don't have a tracking force gauge)

c) Could the cause be the cartridge?

d) Am I damaging my records by playing them under any of these conditions? Should I hold off on listening until this problem is fully corrected?

 

Please also note that this problem does NOT occur from digital or other sources with the same headphones, this is the only source where the problem presents itself. It happens on new records as well as old (though the old records are much worse). Thanks for your time!

post #2 of 3

The anti skate should only be a problem if you have the rest of the setup wrong.

 

1) get a stylus tracking force guage - it does not have to be expensive  http://www.amazon.com/Shure-SFG-2-Stylus-Tracking-Force/dp/B00006I5SD

2) be sure your cartridge is positioned correctly for your table.  Investigate some free printable turntable protractors, or look at getting one of the many available - I use the Geodisk - simple, not overly expensive.

 

3) get a magnifying glass and inspect your needle and arm.  They may improve with cleaning as well.

 

4) your cartridge would have to be egregiously mounted and over loaded tracking force wise to actually damage the record.  A dirty needle and record does more damage.

 

Correct the turntable setup, if your problem persists, its time to look further into the cartridge and phono section of your amp.

post #3 of 3
Thread Starter 

Much as I suspected. Thanks for the help. I'll grab a tracking force gauge and go from there.

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