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Connecting an EQ to Small Portable System
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Author:  BT Magic [ Sat Nov 28, 2009 6:36 am ]
Post subject:  Connecting an EQ to Small Portable System
Hi All, I just purchased a Yamaha Stagepas 300 portable P.A. system for my stand up magic shows. I'm mainly using it to amplify my voice, and for music cues and sound effects. It's a very simple set up with a powered mixer and 2 speakers. The powered mixer is very basic, with no channel inserts, and no aux send and returns. I'd like to connect a graphic EQ to control possible feedback from my wireless mic.

Since there are no channel inserts, or aux sends, I was wondering if the following would work: Connect the output of the wireless mic receiver to the input of a graphic EQ. Output of the EQ to a channel input of the mixer. I guess my question is will this work, or should I do something else? Any input and info is greatly appreciated.

Thanks,
BT
Author:  mckyj57 [ Sat Nov 28, 2009 7:32 am ]
Post subject:  Re: Connecting an EQ to Small Portable System
No, without a mic pre-amp it would not work.

If you could find a mixer with EQ, that would be better. You could send the main out to a channel on your StagePas. I know of nothing small that does that, but someone might.
Author:  Lonman [ Sat Nov 28, 2009 11:52 am ]
Post subject:  Re: Connecting an EQ to Small Portable System
Only other alternative would be run an eq inline with the mics receiver, it would only take care of the mics, but at least you can work on the feedback.
Author:  letitrip [ Sat Nov 28, 2009 12:33 pm ]
Post subject:  Re: Connecting an EQ to Small Portable System
BT Magic @ Sat Nov 28, 2009 8:36 am wrote:
Since there are no channel inserts, or aux sends, I was wondering if the following would work: Connect the output of the wireless mic receiver to the input of a graphic EQ. Output of the EQ to an channel input of the mixer. I guess my question is will this work, or should I do something else? Any input and info is greatly appreciated.


In most cases this should work. Just make sure you match connections. If your receiver only has an XLR out or only a 1/4 inch out, make sure the EQ has the same. If you have the option of both, my recommendation would be to go with the 1/4 connection.
Author:  lyquiddye [ Sat Nov 28, 2009 11:02 pm ]
Post subject:  Re: Connecting an EQ to Small Portable System
What kind of microphone are you using? That may be the problem. Do you know how to properly gain stage your mic channel? I have never needed an EQ for voice.
Author:  DannyG2006 [ Sun Nov 29, 2009 5:40 am ]
Post subject:  Re: Connecting an EQ to Small Portable System
I use to have a stage pass 300 but had to get rid of it due to financial issues. Never had any issues with vocals.
Author:  BT Magic [ Sun Nov 29, 2009 6:08 am ]
Post subject:  Re: Connecting an EQ to Small Portable System
lyquiddye @ Sun 29 Nov, 2009 wrote:
What kind of microphone are you using? That may be the problem. Do you know how to properly gain stage your mic channel? I have never needed an EQ for voice.


I'm using an Audio Technica wireless handheld mic. I know how to gain stage the mic channel. I said this was only to control possible feedback. I didn't mean to imply that I was getting constant feedback. Sorry for the confusion. I realize that proper gain staging of the mic channel, and proper speaker placement are key to avoiding feedback. The idea of using an EQ is more o a precaution to the times where space is minimal, and close speaker proximity are unavoidable.

I'd like to thank everyone for their help and suggestions. It's very much appreciated.
BT
Author:  mrscott [ Sun Nov 29, 2009 9:27 am ]
Post subject:  Re: Connecting an EQ to Small Portable System
BT Magic @ Sun Nov 29, 2009 7:08 am wrote:
lyquiddye @ Sun 29 Nov, 2009 wrote:
What kind of microphone are you using? That may be the problem. Do you know how to properly gain stage your mic channel? I have never needed an EQ for voice.


I'm using an Audio Technica wireless handheld mic. I know how to gain stage the mic channel. I said this was only to control possible feedback. I didn't mean to imply that I was getting constant feedback. Sorry for the confusion. I realize that proper gain staging of the mic channel, and proper speaker placement are key to avoiding feedback. The idea of using an EQ is more o a precaution to the times where space is minimal, and close speaker proximity are unavoidable.

I'd like to thank everyone for their help and suggestions. It's very much appreciated.
BT


I dunno if this is the issue but, I also have an Audio Technica wireless mic that I bought a few months ago. Really really am not impressed with it. Now, yes, I can get it to sound "OK", but that's not the only issue I had with it. The biggest problem is depending on where and how i hooked it up, i got huge problems with electrical interference. Some venues i set it up right next to me, using the same power source. That caused a big problem with interference. And also depending on the placement of the speakers, it also caused the same issue. I found that i had to use a different power source (not on the same circuit) and had to get the receiver way away from the monitors ( at least ten feet or more). I am not sure if we are using the same model of mics or not, but the problem with mine stemmed from the fact that the mic system only had one frequency, wasn't able to choose. Does the receiver you use, have multiple frequencies? Maybe try a different channel if possible.

As far as being able to hook the receiver up to the EQ, i'm pretty sure the advice of the other people here is totally correct. Good luck.
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