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Re: micing up a dobro

69.209.16.87

Posted by servojohn on October 10, 2005 at 18:19:55

In Reply to: Re: micing up a dobro posted by bassplayer on October 10, 2005 at 16:10:32:

It also sounds like the Mackies on the stands are your front of house speakers, and I suspect doing some amount of monitor duty too. This is bad. Put them in front of the band, and look to getting some kind of monitor set up. Do this after getting a pick up on that dobro, skip a mic at all for a live sound set up as it is now.
For now, the 57 should be a step in the right direction, but your basic system set up is also at fault.
I conclude you have no outboard equalizers to run the mix through after the mixer-these are almost essential for feed back control. In this case, you have two sweepable bands of EQ on a given channel of the MixWiz. What follows requires the system to be set up, preferably at the venue your having trouble in(if not, at a dress rehearsal), and that you can get some time before the gig to do this basic sound check item.
Set up the dobro channel with a decent input gain-just remember that your player will have more energy and effort during the gig. I would typically get the meter to read -3 or an LED segment below "0" on the peaks. Have the channel EQ settings flat. Bring the dobro up until it starts feeding back(the system and speakers are on too). Back the dobro's level off a bit until the feedback stops.
Now, take the lower sweepable EQ(labeled "LM" I believe), turn up the level to say 2 O'clock, and then sweep the frequency knob around. Hopefully you will sweep by the feedback frequency, which should rear it's ugly head through the system. When it does, try and sweep past it, and then come back-the idea is trying to center in on the frequency. You may have to turn down the level some to keep from feeding back too loudly. When you've got the frequency, turn down the level to say 10 O'clock, then see how the overall levels are now without the dobro feeding back. If you need more cut at that frequency, take it. Hopefully it won't be all the way, but sometimes drastic action is needed.

One last thing, you might get the mic off the "f" hole directly, and move it a bit. The feedback you describe could be due to this mic position.

Best regards,

John

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