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<blockquote data-quote="Jason Lavoie" data-source="post: 11426" data-attributes="member: 159">This is an installed system, has been in use for a few years, has a Shure SCM268 in one room that feeds into the main DSPanything plugged into the SCM268 (customer&#039;s laptop, CD player in the rack, my NTI tester) all sound thin like they have a high-pass filter on, even though this mixer has no such features.another similar input on the same zone sounds fine, so I swapped the cables at the DSP to rule out programming or I/O issues, and no change.so I went to the 268 and plugged my NTI directly into the 268 with pink noise, sounds thin. pull the XLR output from the 268 and plugged the NTI tester directly to the cable headed for the DSP and it sounds fine!ok, no problem right?, bad mixer (even though we&#039;ve never had one fail before)Only it&#039;s a 5h drive from here, so I shipped them a new mixer to install themselves, pretty confident that I&#039;d found the problem.They installed the new mixer and it sounds the same...The only thing I can think of is a wiring problem that presents itself only with the 268 plugged in, but that the NTI circumvents?Any thoughts?Jason</blockquote>

[QUOTE="Jason Lavoie, post: 11426, member: 159"] This is an installed system, has been in use for a few years, has a Shure SCM268 in one room that feeds into the main DSP anything plugged into the SCM268 (customer's laptop, CD player in the rack, my NTI tester) all sound thin like they have a high-pass filter on, even though this mixer has no such features. another similar input on the same zone sounds fine, so I swapped the cables at the DSP to rule out programming or I/O issues, and no change. so I went to the 268 and plugged my NTI directly into the 268 with pink noise, sounds thin. pull the XLR output from the 268 and plugged the NTI tester directly to the cable headed for the DSP and it sounds fine! ok, no problem right?, bad mixer (even though we've never had one fail before) Only it's a 5h drive from here, so I shipped them a new mixer to install themselves, pretty confident that I'd found the problem. They installed the new mixer and it sounds the same... The only thing I can think of is a wiring problem that presents itself only with the 268 plugged in, but that the NTI circumvents? Any thoughts? Jason [/QUOTE]

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