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mixers-electrophiles-- odd buzz-- HELP

Discussion in 'Channel Zero' started by heavyLox, Sep 9, 2004.

  1. heavyLox

    heavyLox Veteran Member

    Joined: Feb 2, 2002 Messages: 7,196 Likes Received: 17
    so i just set up my mixer and turn tables. and the mixer is sending an enormous buzz to my head phones and a tolerable hum to the amp.

    I switched the mixer still hum and buzz. I changed the headphone 1/4" to mini connector.
    Still buzz and hum.
    unplugged the turn tables and the amp and the buzz seems to be generated inside the mixers. seems odd they would both go at the same time.

    any ideas on why shits buzzing and humming?

    both mixers are vestax pmc05.

    any help or places to look for help would be greatly appreciated. thanx.
  2. villain

    villain Veteran Member

    Joined: Jul 12, 2002 Messages: 5,190 Likes Received: 2
    I don't know alot about mixers and amps and what not but I do know electrical theory and you can often get a buzz from something not grounding properly if run in a series circuit (i.e. plugging one thing into another and another on the same powerstrip or whatever). Most importantly put your speakers on a seperate circuit. Try that, it might be the problem.
  3. jbrshmonster

    jbrshmonster Elite Member

    Joined: Jul 11, 2002 Messages: 3,902 Likes Received: 295
    maybe check the needle cartidge connections to the arms.
    i get that sometimes but i'm rocking 4 tables hooked up to a
    karaoke machine.. and i have no way to record anything.
  4. nomadawhat

    nomadawhat Veteran Member

    Joined: Aug 24, 2001 Messages: 5,001 Likes Received: 2
    well if its coming from the mixer, that makes it a bit harder.

    i was thinking grounds or bad connections at the cartridges, but if you unhooked the tables completley i don't know. especially if you have 2 mixers. badwires/ or rca's maybe. have you tried other headphones?
    maybe your wall inlet in not grounded properly...

    i get a tolerable buzz in my headphones from one channel and i can't figure it out for the life of me. shits annoying.
  5. serum

    serum Elite Member

    Joined: Aug 9, 2000 Messages: 4,200 Likes Received: 138
  6. avils

    avils Senior Member

    Joined: Jul 26, 2001 Messages: 1,574 Likes Received: 0
    i get the same problem with my sk2. check your grounds and also tap/jiggle your rca ins on theback of the mixer...sometimes the connections can be fucked especially with second hand shit.

    you got the mixer inputs switched to phono right??
  7. villain

    villain Veteran Member

    Joined: Jul 12, 2002 Messages: 5,190 Likes Received: 2
    Yeah alot of times wires get bad connections around where the wire meets the plugs. Or even jacks get fucked sometimes. If you've got an internal problem then you got a real headache and I probably can't help you without schematics.
  8. Vanity

    Vanity Veteran Member

    Joined: Apr 11, 2000 Messages: 7,673 Likes Received: 6
    it might be that your rca's are unbalanced
  9. Fondles

    Fondles Veteran Member

    Joined: Mar 31, 2001 Messages: 7,866 Likes Received: 27
    make sure shit is properly grounded. everyone said that already. use gold tips on your male/female connections instead of silver/chrome/iron whatever that shit is made of. my rane has no issues. get a rane.