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Backyard Theater - Outdoor Movies

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Author Topic: Mixer for 5.1 surround sound  (Read 3865 times)
colorado mike
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« on: April 21, 2010, 03:26:09 pm »

Hello all . I have a question about surround sound. I have 4 power amps on the way and wan to do surround sound . What kind of mixer that is affordable would be best. O and does anybody have a 12 space rack for sale cheap. Thanks Grin
« Last Edit: April 21, 2010, 05:10:50 pm by colorado mike » Logged

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« Reply #1 on: April 21, 2010, 03:43:54 pm »

I have an 8 space flight rack if you can't find a cheap 12...

Erik
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tscoff
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« Reply #2 on: April 21, 2010, 04:44:43 pm »

For an inexpensive mixer you want the Behringer.  I forget which model, but they have one that's about $150 that is perfect for your needs.
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cecilb
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« Reply #3 on: April 21, 2010, 04:58:16 pm »

For an inexpensive mixer you want the Behringer.  I forget which model, but they have one that's about $150 that is perfect for your needs.

Not sure if this would meet needs.

http://www.walmart.com/ip/Behringer-XENYX1202FX-Mixer/10333984?wmlspartner=GPA&sourceid=44444444440310527030
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seating for 1,000........... 12 at a time
colorado mike
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« Reply #4 on: April 21, 2010, 05:06:37 pm »

Thanks for the input  everyone. From what I understand the mixer would need at least 4 outputs. I know Dano uses 5.1 on his setup . That is what I am not sure on. Thanks
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« Reply #5 on: April 21, 2010, 05:17:45 pm »

Thanks for the input  everyone. From what I understand the mixer would need at least 4 outputs. I know Dano uses 5.1 on his setup . That is what I am not sure on. Thanks

To do 5.1 you'll need a mixer with at least 6 inputs and 6 outputs.  Most mixers have plenty of inputs but are built to mix down to only two outputs (stereo).  Often one has to get creative by using a combination of the main L/R outputs, subgroup outputs, and/or aux/fx outputs to get 6 discrete output channels.

The most inexpensive mixer you'll find that easily supports 5.1 is likely the Behringer MX882 ($99 new).  However, keep in mind the MX882 is not a surround decoder.  You'll either need a player with 5.1 analog outputs or preamp outputs from a decoding receiver.

-Sparge-
« Last Edit: April 21, 2010, 05:20:09 pm by Sparge » Logged
Danoplex II
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« Reply #6 on: April 21, 2010, 08:53:04 pm »

Mike,

Look for a Yamaha MG12/4 on eBay.  I got mine for around $100.00.  Worked like a champ.  When/if you get it, I will be happy to help you in the setup/wiring.  4 amps should do the trick.

congrats!  Dano

Thanks for the input  everyone. From what I understand the mixer would need at least 4 outputs. I know Dano uses 5.1 on his setup . That is what I am not sure on. Thanks
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« Reply #7 on: April 21, 2010, 08:54:48 pm »

And Sparge is right....you will need a DVD player that has the individual R&L, Center, Surround R&L and Sub outputs on it.

Dano
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colorado mike
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« Reply #8 on: April 22, 2010, 10:44:15 am »

Thank you for the input. I understand now . My DVD does have all the outputs. The amps just came this morning. Can't wait to hook them all up. But still need a rack and mixer. Well all in do time I guess . A gin thanks Dano and Sparge for all of your help. O any other thoughts on other must have gear for this 5.1 project. Grin
« Last Edit: April 22, 2010, 10:56:32 am by colorado mike » Logged

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colorado mike
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« Reply #9 on: April 22, 2010, 12:41:47 pm »

Dano is that 220 V power going to your amp rack. Or A 20 AMP 110V twist lock plug and custom back plates for connectors. And what are you using the 5th power amp for  Very cool setup. Grin
« Last Edit: April 22, 2010, 04:41:33 pm by colorado mike » Logged

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« Reply #10 on: April 22, 2010, 06:12:13 pm »

That connector is a L1420.  I have a custom cord that has two regular 120v plugs on it and they plug into the 1420.  They draw from 2 separate 20 amp circuits so I don't have all my amps on one 20 amp circuit.  So effectively, if you were measuring potential across the back side of the 1420 you would have 220v but it get distributed on the inside of the rack as two separate 20 amp circuits.

I have 4 Crown XTi-2000 amps in my rack.  One serves L&R Front, second one serves L&R surround third one serves center and the 4th one is bridges at 2000watts and serves my subwoofer. 

I made the backplates with the XLR inputs to come from my mixer through a snake and then into the panel.  There is another one that is speakons that my speaker wires plug into.  The I have a panel of fans and the bottom one with the duplex receptacles for other power.  Works like a champ.  If I really had nothing to do, I would lose the snake and just buy a 40 pin military type connector for all the connections from the mixer to the amp rack...but I didn't want to limit myself to only this application.

Dano

Dano is that 220 V power going to your amp rack. Or A 20 AMP 110V twist lock plug and custom back plates for connectors. And what are you using the 5th power amp for  Very cool setup. Grin
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