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 Forum index » Instruments and Equipment » Nord Lead and Nord Wave synths
Weird problem with Nord Rack 3 unison (faulty RAM?)
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dorremifasol



Joined: Sep 28, 2006
Posts: 775
Location: Barcelona, Spain
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PostPosted: Sat Nov 30, 2013 12:03 pm    Post subject: Weird problem with Nord Rack 3 unison (faulty RAM?) Reply with quote  Mark this post and the followings unread

Hi!

Seems that my Nord Rack 3 is starting to have serious problems Sad

Some days ago I turned it on and and found it makes weird digital noises, although it only happens if the UNISON function is turned on. Moreover, it doesn't happen always, it depends on the voices played.

As far as I know, the unison effect is created using several small digital delays which are detuned and hard panned to the left and right outputs. I'm suspecting there must be a faulty DSP or RAM chip, used to calculate the unison effect.

I have attached a sound file where the problem can be heard. The sound has been designed to emphasize the problem, and consist on 4 layers (using the CHORDMEM function) filtered and with much low frequency content. As you will hear, one every two sounds (in this particular sound) exhibit the problem while played.

I have still not contacted Clavia, and I fear they will tell me to replace the entire motherboard for just that problem.

Do you have any guesses or suggestions?


Nord Rack 3 unison problem.mp3
 Description:
unison problem test

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 Filename:  Nord Rack 3 unison problem.mp3
 Filesize:  803.1 KB
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