Feedback issues during live performances... Main volume at about 3 or 4 and mic volumes at 1 to 3. Bass, treble and mid levels are all about in the middle and no compression is added. Can you help me figure this out?
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Re: Feedback issues during live band performances
We use 57's & 58's and still get the problem if the setup isn't right. Biggest feedback problem, some time ago, was caused by micing the lead guitar amp -- we eliminated that mic and ran direct out from the lead guitar amp to the mixer. (We were even getting feedback caused by the lead guitar pickups getting too close to a speaker or mic).
Another adjustment we made was to lean the stage monitors forward (instead of pointing them directly at the voaclists) so their dirvers were not on the same axis as the microphones.
We also tweak high end EQ on the mixer and tweak the reverb send.
Don't know which change had the most effect, but we haven't had the feedback problem lately.
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1. Turn the main and monitor volumes all the way down (off). Plug a cd player into channel 9/10 and play a track of music of your liking. With the main/monitor volumes still off, adjust the gain on 9/10 until the clip light turns on, then back it down until the clip light just turns off. Put the channel volume at 12 o' clock.
2. With the music still playing, turn up the mains to the desired listening level first, and then adjust the graphic eq until the music sounds good in the room. Remember or mark the position of the volume control. Do not use the channel eq on 9/10 for music that has been mastered properly, leave the eq flat. Once this step is completed then you have now set the main eq.
3. Repeat the same for monitors. Turn off the main volume and then bring up the monitor main volume to the desired level first, then set eq. Now your monitor eq is set properly. Remember or mark the position of the monitor volume.
4. Set up microphone - plug a mic into channel 1 with volume all the way down. Speak or sing into the microphone and adjust the GAIN until you see the clip light, then back down a litttle on the gain. Put the monitor and main volumes back up to the mark from step 2. Now adjust the volume and monitor send on the mic channel to the desired loudness first before adjusting the mic channel eq. Use subtractive eq method to minimize distortion and feedback. ...i.e. if the mic is bassy then turn down the lows, do not ADD highs. If the mic needs bass, turn down the highs.
Set the voice input level on the voicelive2 by following this guide from the live 2 manual...
Step 4: Set Mic Level
This step informs VoiceLive 2 how loud you plan to
sing with your particular mic. We'll use VoiceLive 2's
automatic MIC GAIN feature to quickly set the optimum
1. Press and hold the REVERB footswitch
2. If you need to activate phantom power for your
condenser mic, adjust the onscreen PHANTOM
parameter which will restart the level test
2. Sing for five seconds with peaks that are as loud as
you plan to sing
3. Follow the prompts in the display to finalize mic
level setting, cancel or redo the procedure
During performance, if you see the CLIP indicator light
in the HOME screen, you can return to the automatic MIC GAIN feature to adjust the input level.
When input level is set on the voice live ;
on the mixer set the gain control to 12 o'clock position and
individual channel volume level to 7 ....raise the master volume
slider to hear mic input at desired level and without feedback
Proper placement of mics versus the speakers of a PAS is important to avoid feedback. Your speakers need to be toward the audience from where the mic is. If the mic can "hear" the speakers you will likely have feedback. The mic should work even though it is a consumer grade mic.
WORD OF CAUTION: There are a LOT of fake SM58 microphones being sold... even on Ebay... SOME are fairly high quality and others are not.
When using the trim with mics such as SM58's, etc. the trims often wind up at about 3 o'clock in normal use. You set the trims by pressing the PFL buttons down and setting the level using the led display histogram so that at maximum level of talking/singing the display never goes clear up to clipping.
IF you have feedback, then you have issues of mic location and speaker location. The critical point of feedback is far too critical to set with the trim controls.
Your main speakers should be toward the audience from the mics, not so the mics can "hear" the main speakers.
Monitor speakers are ALWAYS a problem with feedback... performers want more monitor, but depending on the acoustics of a stage, reflection from the back can get into the mics or the mics may not be directional enough... SIngers that choose to hold the mic and wave it around are a soundman's nightmare! They let the mic point toward a monitor and away goes the feedback.
The PMP5000 has a lot of power.
While your at it, PLEASE read my tip on FIXYA about PMP mixers regarding the hazard of using Speakon to 1/4 inch speaker cables... ESSENTIALLY never allow the barrel of channel "A" output 1/4 inch to be grounded as it, instead of the tip of the jack is the HOT lead !!!! This isn't in the user manual... I fix these things and discovered this hazard from the schematics.
Microphone might be in mute mode or the volume of the microphone is very
low. I assume that you have inserted the jack of the Microphone in the
correct port colored pink.
In Windows XP :-
Step 1. Click Start ->
Control Panel -> Sounds and Audio Devices
this will open a window
Step 2. Click on the Volume tab and under Device Volume click on Advanced tab will
open the Master Volume window
Step 3. Search for the Mic Volume, if it is not there click Options -> Properties and then
check the box beside Mic Volume
the volume controls
then click OK now it will show
Master Volume window.
Step 4. Then check the volume of
the Mic Volume is full and
no check mark beside Mute.
If this doesn't solve the issue give me a feedback about the problem
with much more details and the operating system you are using.
1) Make sure your webcam mic is set as default Vista TEST SPEAKERS Right click on speaker icon in System Tray or from Control Panel Select "Playback Devices" The speaker icon ( checked as working) and volume level graph should be visible Right click on the volume graph and click "Test" Left hand speakers followed by right hand should be heard
SET DEFAULT & TEST MIC Click "Recording" tab. To set required (webcam) mic as default - click on mic font to highlight and click "Properties" In lower dropbox display "Use this device enable" click 'OK' Click "Levels" tab and ramp up sliders ( adjust to suit later) Return to "Recording". Test mic by speaking and make sure volume graph displays
2) During the recording you may be picking up feedback from your speakers - try using a set of headphones
It sounds as though you are pointing the peavey at the band in a practice situation? If so make sure that each speaker is at about 60 degree angle to either side of the back of the mike (you facing the speakers), most mics reject feedback when the the user is directly in front of a monitor, but Beta 58s' tend to feedback more in that situation. Alternatively (if it is a practice room situation), why not place the speakers behind the band at 60 degrees each and turn to face the band.
Try right clicking on yout Volume Icon in the system tray (where your clock is). Click on Open Volume Control. Make sure you have some audio playing, then just go through each channel and mute each one, 1 by 1 until the echo has gone. If that don't work, then again, right click on Volume Icon in Tray, click on Adjust Audio Properties, then under speaker settings, select advance, then choose Desktop Stereo Speakers, under the Speaker Setup Options.
One of those should work. If it is your Mic causing the Echo, then you would get loads of feedback if you whack up the volume. If you don't get the feedback, then it's more then likely the Speaker Setup or some Sound FX is enabled through your Sound Card Software.