#1864698 - 12/31/07 05:41 PM
Stereo to mono amp.
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Brocko777
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Registered: 12/26/05
Posts: 821
Loc: LoadRhode Island
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Hello,
I searched with no luck (or idea) to try to figure this out.
I have a stereo mixer (L/R main outs) but wanted to use only a single mono power amp for the mains.
Is there a way to connect both outs to the amp? I am not using any stereo inputs or the kind.
What are my options?
Thanks.
Brocko
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#1864894 - 01/01/08 09:09 AM
Re: Stereo to mono amp.
[Re: Brocko777]
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Griffinator
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Registered: 03/28/02
Posts: 8623
Loc: Lynchburg, VA, USA
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Pan everything to one side or the other and just patch the single out?
Get another mono amp and run stereo?
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#1890122 - 02/12/08 08:33 AM
Re: Stereo to mono amp.
[Re: Griffinator]
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Cristiano
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Registered: 02/12/08
Posts: 4
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Stereo is more indicate than mono dont you think so?
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#1890159 - 02/12/08 09:36 AM
Re: Stereo to mono amp.
[Re: Cristiano]
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Griffinator
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Registered: 03/28/02
Posts: 8623
Loc: Lynchburg, VA, USA
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Depends on the application, Cristiano.
If someone's trying to fold a stereo signal to a mono amp, my immediate impression is that this is a PA application, and, in short, the answer is no.
Stereo in a club is a waste of time. One half of the audience hears the left, one half hears the right.
In fact, most small-club PA guys will use the left channel for the mains and the right for the monitors, and pan apropriately (drums all the way to the left, everything else varying degrees of left-center)
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#1896934 - 02/23/08 12:58 PM
Re: Stereo to mono amp.
[Re: Griffinator]
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AudioMaverick
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Registered: 05/19/01
Posts: 1790
Loc: Outskirts of Big Bear, CA,UNIT...
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Broko, I am guessing your current mixer doesn't have panning knobs on the channels...? If ou don't have that option, I have two ideas:
1. - Requires Soldering -
You can make a Y-patch to take your left & right channels to a single line. But, to be "electronically safe", you need to create a resistance between the powered outs. This is to prevent current from one channel to drive back into the other when one side has a higher signal than the other. Insert a 5K ohm resister in line with the hot of each channel, and this will create a 10K ohm resistance between the channels. Most pre-amp inputs have between 10K and 25K ohm resistance on them. Quick math shows you will need to drive the gain up as much as 3dB to make up for the resisters.
2. -Requires Mini Mixer-
Pick the brand you prefer, but for example... Obtaining something like a "Behringer UB802" or "TapCo 50" mixer, you can run your line out of your stereo console through it. Send the left into one line input pair and the right into the other pair. Set the pans to center and you have glorified mono. You will also have a way to patch in a separate microphone or even a paging signal. I did this for a Halloween party I DJ'd in the late 80s, and pumped in a background sound effects track.
I hope this helps...
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