Question about Mackie 1604 Vlz3 16 Channel Mixer

1 Answer

Mackie CR1604 has a consistent click at hi gain

Mackie CR1604 has a consistent click/pop at high gains for all channels. is this duw to a bad PSU

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  • pjnocode96 Jul 27, 2009

    The click is on any channel that has its preamp set at greater than -10dBV with or without a signal and no connections.

  • Lawrence Nentwig
    Lawrence Nentwig May 11, 2010

    How is your gain structure usually set?

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  • Master
  • 4,234 Answers

Without hearing the noise or seeing it on a scope, I can't say for sure, but this type of noise can come from a number of sources. If there is a high signal level on one bus, you could be getting some cross-talk from that channel onto the channel with the higher gain setting. Try to track this down a bit by experimentation. For example, do you hear this with NO connections at all, but with the gain turned up on one channel?

Please try a few things to narrow this down a bit and I'll try to provide you with some options.

Thanks,
Dan

Posted on Jul 25, 2009

  • ABRsvcs Jul 27, 2009

    Thanks for the update. I'll check the schematic and get you some options. I'm on the road at the moment, so it may take a day.



    Dan

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Turn gain CCW. plug microphone in, mute the channel. turn gain CW until peak LED flashes (while singing loud!) and turn gain back a little bit.
Take the channel fader down, unmute the channel. Put masters at 0dB (near maximum) and adjust the loudness with the channel fader to what you like.
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Mar 29, 2014 | Mackie 1604 Vlz3 16 Channel Mixer

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No reason to worry about getting signal to the LED's... you set the trim gain so the loudess sound or signal that can happen barely clips or is slightly less. That is the starting point. Watch videos on mixer setup on YouTube. DOn't worry if their mixer is different as the principles are the same.
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Please update this.

Thanks,
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You may be getting a small amount of cross-talk. How high are the gain settings and sliders when this occurs? Also, can you describe the overall setup that you are using? I'll check the prints, but you should not be getting any volume unless the gains are maxed.

Dan

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1 Answer

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If all other functions work for those channels, the most likely problem is the fader itself. These can fail and operate more like switches rather than faders. Without witnessing the behavior, I can not state that for sure. While these mixers are not the hardest to work on, they are time consuming. The faders can be purchased from Mackie directly. If you need to have this repaired, any shop that repairs audio gear should be able to erpair this for you. Where are you located?

Dan

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