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TranceAddict Forums > DJing / Production / Promotion > DJ Booth > Turntable problem - unwanted noise
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mr_sick
iBiZa aDDiCTeD fOr LiFe!



Registered: Jun 2001
Location: Braine, Belgium
Turntable problem - unwanted noise

I got a little problem with 1 of my turntables.
When I put too much bass on my eq there's a continuous sound coming (something like a continuous bass)
It looks like a magnetical problem but I'm not sure at all.
The problem also comes when I don't play a record.
This sound comes up also when I'm tapping on the table where they are.

Anyone can help me? (I use ortofon concorde needles and my decks are not techs)


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Ibiza 2011: 04 sept - 13 sept
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Old Post Apr-18-2002 07:49  Belgium
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skywarp
goa trooper



Registered: Sep 2000
Location: Edmonton, AB

Did you ground your tables ? Connect the really thin lead from your decks to the little grounding knob on your mixer (somewhere on the back). That should help.

If not, try cleaning your cartridge contacts.


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Old Post Apr-18-2002 08:24  Canada
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mr_sick
iBiZa aDDiCTeD fOr LiFe!



Registered: Jun 2001
Location: Braine, Belgium

Yes the grounds are connected on the tables and on the mixer so I suppose it's not the problem. I'll try to clean the contacts of my cartridges but I already tried with another cartridge and it was the same result.

This sound is boring


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Ibiza 2011: 04 sept - 13 sept
Celebrating my 11th time on the white island and my 30 years ;-)

Old Post Apr-18-2002 08:50  Belgium
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Great Outdoors
Pole Folder Addict



Registered: Jan 2002
Location: Singapore

Jesus your problem does sound unique, if it's not the earthing then I can't help you much coz that's basically as far as my knowledge of turntable troubleshooting will take me. But where is the bass coming from; the platter?

Anyone else willing to help?


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Old Post Apr-18-2002 16:06  Singapore
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mr_sick
iBiZa aDDiCTeD fOr LiFe!



Registered: Jun 2001
Location: Braine, Belgium

the "bass" (dunno how to call it but it looks like a bass) comes from the speakers. When I put a lower volume on my stereo then it disappear. It's very strange, I'll test with another mixer in a few days maybe the one I use is defect.


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Ibiza 2011: 04 sept - 13 sept
Celebrating my 11th time on the white island and my 30 years ;-)

Old Post Apr-18-2002 21:56  Belgium
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DJTJ
linuXaddict



Registered: Jan 2001
Location: Bournemouth, UK when I'm at home, Cardiff, UK when I'm at uni

You say it goes away when you turn the volume down on your stereo? In that case, it's feedback. What are your decks mounted on, and where are they in relation to the speakers? If you have the speaker on the same table or whatever as the TT, then the vibrations from the speaker travel through the table and make the turntable vibrate. This travels through the turntable and makes the needle vibrate in the groove, causing more bass frequencies to be transmitted to the speakers, which then make the table vibrate....

Basically, move the speakers onto the floor if you can, or somewhere other than where they are now. If you can't do this, try putting a folded towel underneath the speakers to out vibrations.

There is another method that I saw once, that worked really well... You get four plywood boards big enough to hold your turntables. Then, cut holes near each corner about 2" across. Then, get 8 tennis balls and put one in each hole and put one board on top of the other. Hey presto, you have two nice suspension systems for your decks!

Old Post Apr-19-2002 23:32  England
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DJ LIQUID
House DJ 4 Life



Registered: Jul 2001
Location: IL USA

Hey i'd like to make a suggestion.

some carts come with a metal clip on them that you have to take off or leave on depending what type of tone arm ur turntable has. if it is not set correctly you will get that "HUMMMM" noise (feedback)


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Old Post Apr-20-2002 06:13  Mexico
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DJ-Kuza
Supreme tranceaddict



Registered: Mar 2002
Location: Ottawa, Ontario

I have a hum on my Stanton STR8-80 and I can't get rid of it. It doesn't happen on the STR8-60 and it must be ground. The STR8-60 has it's own ground wire that I hook up to the mixer, while the STR8-80 doesn't. I think it's grounded by the power chord but it's only got 2 prongs. So.... I think I've got bad grounding in my house. We have a dryer that keeps blowing the fuse in the basement also. Sucks, but not much you can do if you dont' want to re-wire your whole grounding for your house.

Old Post Apr-22-2002 13:48  Canada
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DJTJ
linuXaddict



Registered: Jan 2001
Location: Bournemouth, UK when I'm at home, Cardiff, UK when I'm at uni

Well if your power plug has only two prongs then it definitely isn't grounded by that. I could be wrong, but I have a feeling that the str8-80 is supposed to ground itself without the need for a separate ground wire, although it could be another turntable. I've always been a bit suspicious of this myself, sounds like it's not likely to work very well. No easy way to get round it though, as far as I can see.

Old Post Apr-22-2002 21:30  England
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Superscope
Evo Addict



Registered: Jul 2001
Location: Behind the sun

Dunno if the older techs have it but my 1210 mk3's have rubber shock absorbers on the legs and it cuts out all little bumps/vibrations etc.

Well almost all, sumtimes the girls dancing at parties and lying on my tt's fuck things up, Lol!

Old Post Apr-22-2002 22:08  Scotland
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DJTJ
linuXaddict



Registered: Jan 2001
Location: Bournemouth, UK when I'm at home, Cardiff, UK when I'm at uni

Yes, the mk2's have them as well. Mine do, at least!

There hasn't been too many dancing girls on them recently though, I think I'm going to have to do something about that.

Old Post Apr-22-2002 23:48  England
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mr_sick
iBiZa aDDiCTeD fOr LiFe!



Registered: Jun 2001
Location: Braine, Belgium

Thanx guys for your help, my speakers were too close from my tt's.
Now it works great

I want some girls dancing on my turntables too!


___________________
Ibiza 2011: 04 sept - 13 sept
Celebrating my 11th time on the white island and my 30 years ;-)

Old Post Apr-23-2002 18:58  Belgium
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