Tweaker's Asylum

• Build a passive pre with DACT SamL 22:23:25 04/09/00 (0)
  In Reply to: Which attenuator tu use? posted by Capt. Z on April 08, 2000 at 08:05:45:

  Build one myself using DACT attenuator and selection control.
  http://www.AudioAsylum.com/audio/cables/messages/6114.html

  As for popping sound - no problem here.
  1. All my "system" is connected to the same power source. All my input ground are connected directly to my output ground.
  2. I also ground the "body" of the attenuator and selection control to the chassis.

  Can't help you with Aura.

  
  
  

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• Another choice JohnR 13:03:13 04/09/00 (0)
  In Reply to: Which attenuator tu use? posted by Capt. Z on April 08, 2000 at 08:05:45:

  You can also get a kit from bottlehead.com. I haven't used it but it certainly seems like a great deal.
  
  

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• Re: Which attenuator tu use? JohnR 12:58:18 04/09/00 (1)
  In Reply to: Which attenuator tu use? posted by Capt. Z on April 08, 2000 at 08:05:45:

  Huge range of choices. I use a Dact attenuator in a passive box (www.aloha-audio.com), it's very nicely made and certainly sounds better than the commercial passive I used before (but there is also a lot less circuitry). I'm not familiar with your amp, but at a certain point you will be spending money without realizing any benefit.

  As far as popping, this is not normal. As Hans says attenuators should be "make before break" ie never go open-circuit while switching . (Not all applications want this, so just any switch may not work as an audio attenuator...) Also, I think DC across the attenuator would cause this but that is definitely not normal.

  Also check out the Michael Percy catalog (linked from the front page of this site) he carries several kinds.
  JohnR
  
  
  

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  • Re: Which attenuator tu use? rcrump 10:17:53 04/20/00 (0)
    In Reply to: Re: Which attenuator tu use? posted by JohnR on April 09, 2000 at 12:58:18:

    I like the Tokyo Ko-on Dempa stepped attenuators available from Percy...These can be modified a bit for increased performance...
    
    

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• Re: Which attenuator tu use? Hans 01:07:06 04/09/00 (0)
  In Reply to: Which attenuator tu use? posted by Capt. Z on April 08, 2000 at 08:05:45:

  The 'pops' should not occur if the stepped uses 'make before break' type contacts. I have no such problems with the stepped attenuator I bought from Sonic Frontiers, which I am very happy with.
  As for comparisons between a bunch of different attenuators, I just don't have time for, all I can say is the stepped from Sonic Frontiers is jolly good compared to the alps I used to have.
  
  
  

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