studer 169 two channels sound weird

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lobit

Member
Joined
Jan 22, 2015
Messages
5
Ive had this mixer for a few years.. in the last month or so.. two of the channels develloped the exact same issue..  basically sounds a bit like a high frequency warble.. like the input is becoming frequency modulated.  i tried switching the position of the  bad modules around but no luck  tried to run the mixer on battery power  same problem.  when I cycle the power, there is a moment just as it powering up where the channels sound normal and then they get weird a second later.  thats what made me suspect power.

any ideas?

 
I tried swapping positions  good channel into bad channel..  its in the strips   
 
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