Thursday, 10 December 2015

Christmas Student Concert Prep for Sound- 9/12/15- Unit 69

First of all I needed to connect the XLR into the soloist microphones at the front of the stage, then I needed to
connect this into the patch bay at the side of the stage to send it to the box.

The 2 solo mics were plugged into the patch bay in 10 and 11 this then patched the mics into the mixer
hence the signal could come through.

To test all of our connections and cables were working we PFL the 2 channels were the mics were patched, this allowed us to check the signals on the bars at the top of the mixer. When PFL was on we also set the gain as Lauren talked into the mic (in the performance the gain may have to be set lower as singers are louder than the talking). Once we were finished the PFL was taken off we routed the channel to LR speaker and 1 and 2, then we unmuted the channel and brought the fader up to hear sound through the speakers.

When the monitors were turned on there was feedback, as monitors are connected through AUX connections on the 2 mic channels I turned all the AUX controls to 0, then on aux 1 and 2 for the left mic monitors and aux 3 on the right mic channel, I brought up the level until the mic could be heard through the monitors, this gave an appropriate level for the singer to hear without receiving feedback.

By turning down the Aux for the monitor on each of the channels for the guitar and drum mics it allowed us to programme each individual level so we don't have anymore feedback.

For the Di box for the keyboard we needed to set up 2, this is because a keyboard is stereo not mono sound, using a joint double jack to one jack head we connected the DI box through the input, then on the other side of the DI box using the output through the XLR we  connected both to the patch bay to send to the desk.

Using a jack lead in the 2 links we then connected to the 2 inputs on the amp for the keyboard, this will then be used during the show so the keyboard player can have their own 'monitor'. By connecting the boxes to the mixer using the buttons on the mixer at the top of each channel it can provide phantom power so the Di boxes will work. We experienced buzzing when the boxes turned on, we switched the switch to lift and it stopped the buzzing.  

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