Voice distortion on LP playing - AVS Forum
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post #1 of 14 Old 07-26-2012, 11:08 AM - Thread Starter
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Just got Sansui SR222 turntable. Put on new belt and stylus. Plays music part of LP's absolutely fine but the vocals sound like the singers have been overdosing on Helium. High pitched Pinky and Perky sounds.
Total novice so can anyone offer advice on sorting this out.
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post #2 of 14 Old 07-26-2012, 11:14 AM
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What other equipment are you using? Are you sure you've got a phono stage engaged in there somewhere?

If you can't explain how it works, you can't say it doesn't.—The High-End Creed

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post #3 of 14 Old 07-26-2012, 11:22 AM - Thread Starter
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Technics SU-A600 amp, Mordant Short speakers. Original Sansui cartridge. Actually had the TT for 35 years. Not been used for about 10years. Just getting it going again. As I said, instrumental parts are all fine. Is there a seperate wire on the cartridge for the Vocals? Perhaps that is faulty.
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post #4 of 14 Old 07-26-2012, 12:05 PM
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I think a new cartridge would be in order.
There is no "special" wire for vocals.
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post #5 of 14 Old 07-26-2012, 12:21 PM
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And you've plugged it into the phono input, right? And vocals sound just fine when playing CDs?

IF so, then I agree the next step is to try a different cartridge.

If you can't explain how it works, you can't say it doesn't.—The High-End Creed

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post #6 of 14 Old 07-26-2012, 12:46 PM - Thread Starter
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Yeah, not quite that daft. Switched to phono, hence instrumentals are fine.
Vocals on CD's play fine too when put through the amp. Looks like a new cartridge then.
Thanks for your help. Stay in touch if you have any other thoughts.
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post #7 of 14 Old 07-26-2012, 01:23 PM
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Quote:
Originally Posted by Kenski View Post

Just got Sansui SR222 turntable. Put on new belt and stylus. Plays music part of LP's absolutely fine but the vocals sound like the singers have been overdosing on Helium. High pitched Pinky and Perky sounds.
Total novice so can anyone offer advice on sorting this out.

Tracking force?

Cartridge alignment?

Anti skate adjustment?

Dirt on the stylus?
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post #8 of 14 Old 07-26-2012, 01:32 PM - Thread Starter
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Surely problems with any of those things would effect the music as well, not just the vocals.
If you think that only the vocals would be effected then I will check them all.
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post #9 of 14 Old 07-26-2012, 01:50 PM
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Quote:
Originally Posted by Kenski View Post

Surely problems with any of those things would effect the music as well, not just the vocals.
If you think that only the vocals would be effected then I will check them all.

It seems that way, does it not. However, in practice the problems seem to focus themselves on the voice. They can all be checked out for free. If you are going to do vinyl well, you need to learn about them.

Here's a good starting point:

http://www.soundfountain.com/amb/ttadjust.html

Then:

http://www.google.com/webhp?sourceid=chrome-instant&ie=UTF-8#hl=en&output=search&sclient=psy-ab&q=how%20to%20adjust%20phono%20cartridge&oq=&gs_l=&pbx=1&fp=3d04e930a01db91d&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&biw=1366&bih=600
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post #10 of 14 Old 07-26-2012, 01:52 PM
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Sometimes a tiny ball of dust can collect on one side of the twin supports for the silicon stylus supports thus partially muting the vocals. Look very closely at the cartridge and be sure BOTH sides are seated the same on the pickup armatures and that there is no dust.
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post #11 of 14 Old 07-26-2012, 03:09 PM
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Hi Kenski,
Quote:
Originally Posted by Kenski View Post

Surely problems with any of those things would effect the music as well, not just the vocals.
If you think that only the vocals would be effected then I will check them all.
Absolutely everything would effect the music as well. There is no difference between the music and the voice anywhere in the audio chain. The only difference between the music and the voice is that our brains may be more sensitive to the voice.

As Arny said, check the basic setup, maybe before investing in a new cartridge (he left out "worn needle" though). Even if the cartridge is good, however, there is something to be said for a cartridge upgrade.
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post #12 of 14 Old 07-26-2012, 03:57 PM - Thread Starter
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Thanks for your input. I will check out your links.
Not really interested in "doing vinyl well" as you say, so don't "need to learn about them". Just want to listen to all my old LP's.
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post #13 of 14 Old 07-26-2012, 04:14 PM
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Quote:
Originally Posted by Kenski View Post

Thanks for your input. I will check out your links.
Not really interested in "doing vinyl well" as you say, so don't "need to learn about them". Just want to listen to all my old LP's.

One of the problems with vinyl is that if you don't do it well, it often kinda sucks. Doing it well was required for simple enjoyment.

Vinyl is not like a CD player you just throw the disc in, and it works well.
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post #14 of 14 Old 07-28-2012, 09:49 PM
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If the singers sound like they're using helium, that implies that you're playing the records at the wrong speed. Are you sure you're not trying to play albums at 45RPM instead of 33 1/3 RPM? If that's not the issue and assuming that you're not in the UK, it's possible that the turntable is set to 50Hz and assuming you're in the U.S., the mains is 60Hz so it will play fast. When you replaced the belt, was there more than one slot to wrap the belt around? If so, one might be for 50Hz and the other for 60Hz. If not, there might be an internal switch.

If that's not the issue, you need to get a strobe disk and light. It's a little disk that you put on top of the turntable that has dots on it. When you use it in conjunction with a strobe light, the dots will appear to be standing still when the turntable is spinning at the correct speed. Some turntables have these built into the platter, but yours apparently doesn't.

Here's a link to a free turntable disk that they claim will work with ordinary tungsten light: http://www.vinylengine.com/strobe-discs.shtml
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