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Old January 25th, 2010, 02:36 PM   #1
ScOoTeR
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Home audio question -

I asked our resident pro, but I think he's busy. : )

I need something to do something and I don't know exactly what it is.

I'm upgrading my 20 year old dolby surround system and will have an uber clean, powerful, 5-channel amp left over.

The new receiver has 2 preamp outs for an extra zone; my 5-channel amp has 5 preamp ins. I need a way to power 4 of the 5 inputs (so it will be a 2 "zones" of L&R channels, and maybe leave the 5th for a passive sub or perhaps a mono channel.

I plan on running a speaker selector w/volume controls downstream of the amp - but I'm really at a loss for how to go from one set of preamp-ins to 2.5 sets of preamp outs.

Oh, and I want to do it cheap.
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Old January 25th, 2010, 03:20 PM   #2
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There are RCA splitters for this if I am understanding you correctly.


Second one down

http://www.amazon.com/s/?ie=UTF8&key...80d27d&mscbg=0
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Old January 25th, 2010, 04:36 PM   #3
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Careful Firehawk he's trying to bait you. Next he'll PM you to "stop by and take a look, it's in the basement". Then it'll be "it puts the lotion in the BASKET!!"
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Old January 25th, 2010, 04:50 PM   #4
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Careful Firehawk he's trying to bait you. Next he'll PM you to "stop by and take a look, it's in the basement". Then it'll be "it puts the lotion in the BASKET!!"
I fall for it every time.
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Old January 25th, 2010, 06:05 PM   #5
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Same here. I've been to the basement three times this week.
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Old January 25th, 2010, 06:47 PM   #6
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Same here. I've been to the basement three times this week.


I think you have a problem and need to go to some AB meetings = Anonymous buttpirate meetings.
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Old January 25th, 2010, 07:34 PM   #7
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Did you guys know I am Somali?

Firehawk - I thought about RCA splitters, but I'm not positive. Can't be that easy can it?
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Old January 25th, 2010, 10:49 PM   #8
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The one issue with running a splitter is you will be loosing pre-out voltage (1/2 goes to each channel.) That may or may not matter depending on the quality of the original signal and how loud and clear you like your sound.

But yes, it really is that simple.
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Old January 26th, 2010, 07:53 AM   #9
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The one issue with running a splitter is you will be loosing pre-out voltage (1/2 goes to each channel.) That may or may not matter depending on the quality of the original signal and how loud and clear you like your sound.

But yes, it really is that simple.
Yup - looked into it a bit more and will probably go with something like this:



Built in signal amp so there is no loss - it wasn't THAT simple.
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Old January 26th, 2010, 09:02 AM   #10
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The one issue with running a splitter is you will be loosing pre-out voltage (1/2 goes to each channel.) That may or may not matter depending on the quality of the original signal and how loud and clear you like your sound.

But yes, it really is that simple.
You aren't really splitting the voltage by sending it into two inputs instead of one. You are cutting the impedance in half (assuming the inputs are the same), so some signal attenuation might occur, but that would depend on the strength of the pre-amplifier output.
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