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Re: I still have my Tektron 2A3

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belyin

In Reply to: I still have my Tektron 2A3. posted by Dave VH on January 21, 2002 at 20:27:11:

Dave,
Have you tried reversing the polarity of your speaker cables. There was a thread about polarity and hum with single ended amps a few weeks ago. I tried it with my Fi Super X 2a3 amp and Oris Horns, and it reduced the hum substantially.

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Did you find significant reductions in hum? - jusbe 06:57:39 01/22/02 (4)
I was curious to read this, since I also have a similar poweramp and horns. What's the theory behind it, and has this trick affetced the sound in any other way?

jusbe

Share and save the World.
- Re: Did you find significant reductions in hum? - belyin 21:58:27 01/22/02 (3)
  I found the thread--it was on the full-range board < http://f18.parsimony.net/forum31999/messages/20720.htm> It points to an article that offers up theory--I am in no position to comment on it. I was so impressed by the noise reduction, I haven't gotten around to switching it back to see if there is a down side. Let us know what you think--it is a free and easy tweak!
  - Can't get 2nd link, will you outline the mod here, please? (NT) - thekingpin 09:20:49 01/23/02 (0)
    nt
  - Got it now. Will give it a go. nt - jusbe 09:10:46 01/23/02 (0)
    .
    
    jusbe
    
    Share and save the World.
  - Managed the first link, not the 2nd unfortunately. nt - jusbe 08:50:53 01/23/02 (0)
    .
    
    jusbe
    
    Share and save the World.

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