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Author Topic: Help!!!!  (Read 2652 times)

g'bye, Dick Rees

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Re: Help!!!!
« Reply #10 on: April 19, 2011, 06:32:41 pm »

Sorry, that is a generic picture not the actual setup.  I will check it out tonight and see if what has been said so far helps and if not try and get some pics.
Thanks again for your help
Byron

Is there any evidence or record of anyone spilling a liquid on the board?????

And +1 on finding another church tech in you neighborhood to help you go through things.  On site is better than on (web)site.
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Jonathan Johnson

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Re: Help!!!!
« Reply #11 on: April 19, 2011, 11:47:36 pm »

Thanks everyone.  The mixer is a Peavey 2002-12 RQ, mikes come into channels 1-8 from the snake, tape deck into channels 9-10 on the line in, CD player on 11-12 on the line in.  The gain has no effect on any channel, the volume fader has no effect on any channel.  the on thing that is controlling anything seems to be the main fader

If you can post a picture with everything connected, and describe what's connected where as far as outputs (where is the cord to the amplifier plugged in?) that would be a big help.

Another question: with all the faders & knobs in their usual position and the room quiet, do you get any noticeable hiss, hum, or noise coming out of the speakers?

Since your mixer doesn't have the ability to meter the inputs on each channel individually -- all there is is a "CLIP" LED -- it's a bit more difficult to adjust the gain, but it can be done. Here's a quick guide to setting gain structure.
  • Set all of the gain, fader, and volume controls all the way down. Also turn down any input gain on the amplifier.
  • Zero out the EQ section on each channel.
  • Playing each source one at a time at the loudest it's likely to be used, adjust the gain (the top knob on each channel strip) until the CLIP LED just begins to flicker. Note that nothing should be coming out of the speakers at this point. If it does, either you didn't do step 1 or something else is seriously wrong. [Start with the CD, then go to the tape, then each mic in turn.]
  • Start playing a CD.
  • Adjust the faders for the CD to the zero mark -- about 3/4 of the way up.
  • Adjust the LEFT and RIGHT master volume faders to about the zero mark. You should see the meter lights begin to flash to the music.
  • Bring up the input gain controls on the amp until the music is just a little louder than you like.
  • Stop the CD. Play the tape and adjust the faders for the tape until the volume is about the same as what the CD was. It should land around the "zero" mark.
  • Stop the tape. Do the same for each microphone channel.
Hopefully, this will help you get your levels under control and approximately equal. Ideally, the faders in the same position should give the same volume for each channel. In the future, adjust the gain down only if the CLIP light comes on constantly (occasional flashing is OK) and up only if your fader is all the way up and you can't get enough volume. Mix with the faders, not with the gain.

This isn't a definitive guide on gain structure, just a guess based on incomplete information.
« Last Edit: April 20, 2011, 12:16:47 am by Jonathan Johnson »
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Byron Walker

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Re: Help!!!!
« Reply #12 on: April 20, 2011, 10:13:09 am »

Update -  Thanks everyone got it fixed.  the output to the speakers was from the monitor sends not the mains.  Switched it out and everything works like it should.

Thanks again
Byron
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g'bye, Dick Rees

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Re: Help!!!!
« Reply #13 on: April 20, 2011, 10:28:05 am »

Update -  Thanks everyone got it fixed.  the output to the speakers was from the monitor sends not the mains.  Switched it out and everything works like it should.

Thanks again
Byron

Bingo!!!!!

Congratulations.  One possible reason for running the house from a pre-fader aux might be for recording.  I have one of my "user friendly" church systems set up this way.  The services are simple, the only thing in the house PA is the Pastors headset mic, a mic on the lectern and a spare for back up on the pulpit.  These are all set to optimum levels and remain unchanged from week to week.  If a service is to be recorded there are three "house" mics which pick up congregational singing and any other music in the service.  These three are fed only to the main bus (along with the speaking mics) and the main bus feeds a line mixer which then feeds the CD recorder and remote speakers in the kitchen, the fellowship hall and several other rooms.  This way the sound in the sanctuary is always the same, only what is needed and accessible to the Pastor or other celebrant simply by turning the system on (using a Furman sequenced power conditioner).  This way the recordist can mix the CD independent of the sound in the Sanctuary and provide a full mix to the remote areas. 

This works for simple, traditional services where you're not mixing music for the house and allows for the untrained users to succeed simply by turning  one button on and off.

« Last Edit: April 20, 2011, 10:45:46 am by dick rees »
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Brad Weber

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Re: Help!!!!
« Reply #14 on: April 20, 2011, 11:01:26 am »

Update -  Thanks everyone got it fixed.  the output to the speakers was from the monitor sends not the mains.  Switched it out and everything works like it should.
Glad you got it figured out!  That definitely explains the channel faders not having an effect as the monitor sends are pre-fader, however at least based on the Owner's Manual it does not explain the channel gain controls not having any effect on the levels.
 
I once attended a church that had their mixer setup with the main outputs feeding a recorder and the 'record out' feeding the house.  There were no recording sources that did not also feed the house any apparent reason for this arrangement, it was simply how the company that installed the system had configured it and no one had ever questioned it.  One has to wonder how often such things happen.
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