• RE: I don't know why it is so hard to get volume knobs right? - RGA 15:41:08 11/22/07 (5)
  In Reply to: RE: I don't know why it is so hard to get volume knobs right? posted by flickkit on November 22, 2007 at 14:37:54

  Then again it could also be the loudspeaker - if the speakers are not matched to each other closely then one may in fact be more sensitive (louder) and that is why you get the one speaker first then the other one.
  
  Don't know but it seems to be the case with my Wharfedales. You could try another amp to make sure.
  
  I agree with your points.
  
  

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  • RE: I don't know why it is so hard to get volume knobs right? - flickkit 21:36:09 11/22/07 (4)
    In Reply to: RE: I don't know why it is so hard to get volume knobs right? posted by RGA on November 22, 2007 at 15:41:08

    Thanks RGA
    After reading your sugestion I did a little more investigation. Switching the inputs from my CD3.1x the problem remains the same. If I switch the pre-amp outputs the right speaker will come up first. The left output being the first to come up. This indicates the inbalance is in the preamp output.
    The problem is not an issue with my DVD player as I need to turn the volume up more for a eqivalent volume as to the CD player. I understand the output of the CD3.1x is relatively high. My speakers are AN-Es so being a high efficiency design they dont need much power. My Amps are the older high gain versions. All of these characteristics exagerate my problem as I am using very little volume control to get high volume levels.
    lol My equipment is too efficient!
    
    I like the idea of the stepped control. Im going to have to check dimensions and see if it all will work out.
    
    My apologies if this got off topic for the kit forum. I figured if anyone would know a solution it would be the people in here.
    
    Thanks again.
    
    ps If anyone can suggest the proper ohm rating for an attenuator Id be appreciative.
    
    
    
    
    

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    • RE: I don't know why it is so hard to get volume knobs right? - richardcooper2k 01:50:28 11/23/07 (0)
      In Reply to: RE: I don't know why it is so hard to get volume knobs right? posted by flickkit on November 22, 2007 at 21:36:09

      if you want to put an attenuator on the input from your cd player to then you need to put one resistor in series with the signal and another from the signal wire to earth wire. this is so the impedance between signal and earth stays the same. can't remember how to calculate the values without doing some research - you could find it on the net or in a book or prehaps somebody who does remember could enlighten us !
      
      

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    • RE: I don't know why it is so hard to get volume knobs right? - Bambadoo 23:27:47 11/22/07 (2)
      In Reply to: RE: I don't know why it is so hard to get volume knobs right? posted by flickkit on November 22, 2007 at 21:36:09

      You should check the TKD stepped. Used in the AN M10 (it seems)
      http://www.tkd-corp.com/02_products/p_04variable_a.html
      
      The one you need is
      P65CS 100KΩ
      
      It is however quite expensive.
      
      

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      • RE: I don't know why it is so hard to get volume knobs right? - flickkit 12:14:31 11/25/07 (1)
        In Reply to: RE: I don't know why it is so hard to get volume knobs right? posted by Bambadoo on November 22, 2007 at 23:27:47

        Thank you for the info. i have an email in looking for a source.

        Came across this productwhile searching for attenuators.(see link)
        http://www.rothwellaudioproducts.co.uk/html/inline_attenuators.html
        I think I will give them a try.
        This is probably what richard was talking of??
        Seems this is a very common problem.
        

        • Attenuator   (Open in New Window)

        
        

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        Edits: 11/25/07
        • RE: I don't know why it is so hard to get volume knobs right? - richardcooper2k 03:13:56 11/26/07 (0)
          In Reply to: RE: I don't know why it is so hard to get volume knobs right? posted by flickkit on November 25, 2007 at 12:14:31

          yes, they would do the job. easier than working out the resistor values for yourself. they will just contain one resistor in series with the signal and one from signal to earth. resistor to earth is usually conected after the series one.
          one way to work out the resistor values yourself would be to wire in a (volume) pot where you want to attenuate the signal and have a play until until you're getting the amount of attenuation you want. then measure the resistances the pot is giving at that setting and put in resistors of the same value. this way you could put in whatever flavour resistors you want e.g. tants, etc
          
          see this for more info on loss pads (fixed attenuators ), includes how to calculate resistor values and some photos :
          
          http://www.uneeda-audio.com/pads/
          
          

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