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Line Level RCA x4 Question

post #1 of 10
2/14/12 at 5:02pm
Thread Starter 
I'm helping a friend setup a 2(x3).1 setup and have a question.
(Yes that's 2(x3).1! It's in a restaurant so the HK receiver will be doing the powering of bookshelf speakers and sending the bass to a sub.

The outdoor speakers will be powered by a separate receiver but there are only 2 outdoor speakers.

How would I go about splitting/distributing the line level out from the ipod/android/dj times four?
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post #2 of 10
2/15/12 at 5:13am

You really haven’t given us much information. Where does the ipod, android etc. (much less four of them) fit into the picture of your restaurant system? Most of us here flunked out in mind reading classes, so please clearly outline your system (including everything that will be connected to it – e.g. source components) and your expectations for its day-to-day use and operation.

Regards,
Wayne A. Pflughaupt


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post #3 of 10
2/15/12 at 5:21am
Quote:
Originally Posted by brandini View Post

I'm helping a friend setup a 2(x3).1 setup and have a question.
(Yes that's 2(x3).1! It's in a restaurant so the HK receiver will be doing the powering of bookshelf speakers and sending the bass to a sub.

The outdoor speakers will be powered by a separate receiver but there are only 2 outdoor speakers.

How would I go about splitting/distributing the line level out from the ipod/android/dj times four?

Don't split those lines at all if you can run the second receiver off of the tape outputs of the first receiver.
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post #4 of 10
2/15/12 at 5:36am
Thread Starter 
Quote:
Originally Posted by Wayne A. Pflughaupt View Post


You really haven't given us much information. Where does the ipod, android etc. (much less four of them) fit into the picture of your restaurant system? Most of us here flunked out in mind reading classes, so please clearly outline your system (including everything that will be connected to it - e.g. source components) and your expectations for its day-to-day use and operation.

Regards,
Wayne A. Pflughaupt

ipod(source) ----- HK receiver ----- stereo speakers x3 (L+R x3)

The goal is to have 3 sets of stereo speakers playing the same thing.

The receiver is a Harman Kardon AVR-630, it does have a "7 channel stereo" mode but does not state EXACTLY which speakers will get used, only "this mode places the same signal at the front-left and surround-left, and at the front-right and surround-right speakers." There are 2 types depending on configuration: 5.1 and 6.1/7.1, but it does not state wether the 7.1 setup again creates another pair of stereo outs or just does the "four corners."

IF it does create the 3 pairs, I'm in business, as this mode will do bass management.

If not, I have to:
-Get an external crossover as the direct in on the HK does not do bass management
-split the L&R 1/4" TRS x4 and convert to RCA to use the direct inputs on the HK + inputs of the 2nd receiver for the outdoor speakers

SO I'm planning for worst-case. I guess it might be easier to find a 4x TRS splitter... but what I really need to know is: will i need to amplify the signal to feed all 4 inputs?
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post #5 of 10
2/15/12 at 5:52am
Quote:


will i need to amplify the signal to feed all 4 inputs?

No, the low impedance source is bridged by the high impedance loads.
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post #6 of 10
2/15/12 at 6:38am

Quote:
Originally Posted by brandini View Post

There are 2 types depending on configuration: 5.1 and 6.1/7.1, but it does not state wether the 7.1 setup again creates another pair of stereo outs or just does the "four corners."

IF it does create the 3 pairs, I'm in business, as this mode will do bass management.

Well, I’d say the fact that they call it “7 channel stereo” (and not “5-channel stereo”) means exactly what it says. Looks like you’re in business.

Regards,
Wayne A. Pflughaupt


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post #7 of 10
2/15/12 at 6:52am
If you can use the equipment that you already have and not spend any more $$, more power to you/your friend.

However, you may want to also consider speaker switches. There are several linked through the following post in a different thread. http://www.avsforum.com/avs-vb/showthread.php?t=925055

The advantage of speaker switches is that you can send the two channel to the switch box and have it re-directed to each speaker output. That way, if you guys ever needed the surround sound system for special events and what not, family movie nite at the restaurant, et al, you would still have that option.

Also if you get a speaker switch with, let's say seven zones, you could then add more speakers through out the restaurant.

Just my 2%.
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post #8 of 10
2/15/12 at 10:50am
Quote:
Originally Posted by brandini View Post

The receiver is a Harman Kardon AVR-630, it does have a "7 channel stereo" mode but does not state EXACTLY which speakers will get used, only "this mode places the same signal at the front-left and surround-left, and at the front-right and surround-right speakers." There are 2 types depending on configuration: 5.1 and 6.1/7.1, but it does not state wether the 7.1 setup again creates another pair of stereo outs or just does the "four corners."

IF it does create the 3 pairs, I'm in business, as this mode will do bass management.

7 channel stereo will do the trick.

You AVR has options for 7 outputs? If you have a 7.1 AVR it will use the 7 powered channels. If you have a 9.1 or greater I am sure you manual will tell you how to configure it.

You are over-thinking this problem. 7 channel stereo give you 7 channels of music or 3 pairs + an extra.

You can use the level trims to set different relative volumes. It is worth investigation.

Have Fun!
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post #9 of 10
2/15/12 at 11:57am
Thread Starter 
Yep! after checking here this morning I checked with HK via phone (fantastic on the phone btw) and he confirmed that it indeed would be 3 pairs of stereo. We don't have a need to use the center or retain surround modes for movies since it's more fine dining than chain and we'll never have that need.

Now on to search for non-plastic speaker mounts to mount these Tsi100

Any tips on speaker mounts that can convert the seemingly useless keyhole mount on the back of these puppies? Definitely will have to find something that tilts since these will be mounted up high.
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post #10 of 10
2/16/12 at 5:22pm
You might see if parts express has the mounts you need. They carry a good mix of stuff.
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