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#1704638 - 06/29/11 11:24 PM How to Daisy Chain PA System from DP
tygacj Offline
Junior Member

Registered: 06/10/11
Posts: 16
Loc: honolulu, hi
I did a thorough search on how to properly setup up a one-man band with two PA speakers utilizing a mixer with balanced cables with a mono sound (I read that a STEREO setup is not ideal for gigs with multiple monitors). From what I learned so far, is this the correct or preferred way to setup my equipment to achieve a mono sound utilizing balanced cables?

Yamaha CP5 DP with balanced outputs >>> unbalanced TS cable output from L/R(mono) >>> connect to D.I. Box which converts the unbalanced mono line to a balanced mono line >>> connect balanced line to mixer >>> connect balanced line a PA Monitor >>> Daisy Chain to second PA Monitor.

Please advice. Thank you

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#1704648 - 06/29/11 11:33 PM Re: How to Daisy Chain PA System from DP [Re: tygacj]
RafaPolit Offline
Full Member

Registered: 06/20/11
Posts: 263
Loc: Quito, Ecuador
Be careful not to confuse balanced with stereo... I'm unsure why you are using an unbalanced cable to the CP5 if it has balanced outputs? Connect the balanced line directly to the mixer, or what are you using the D.I. Box for?

I am not very familiar with gigs, but on the studio we have the keyboards directly to the console.

Best regards,
Rafa.
_________________________
Roland FP-7F

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#1704728 - 06/30/11 04:06 AM Re: How to Daisy Chain PA System from DP [Re: tygacj]
Dave Horne Offline
5000 Post Club Member

Registered: 07/07/04
Posts: 5277
Loc: Vught, The Netherlands
Not to side track this, but I've been playing in stereo for decades and prefer stereo to mono, it just sounds better. I do not place my speakers at substantial distance from each other, I place them side by side - that gives better bass response and better coverage ... and the stereo is not wasted, it still sounds better. (I should add that I'm not playing stadiums but rather small venues - hotels, restaurants, caf├ęs.)

I also do not use balanced lines since the distance from the piano to the mixer is a matter of a few feet. If you're running lines in excess of 20 feet you'd be better off using balanced but on most jobs the slight amount of extra noise probably would go unnoticed.

(Also, the line out from the mixer to the amp is unbalanced since the distance is about one foot. I know I could very slightly lower the noise floor by using balanced cables, but the audible difference is negligible. I once proved that point by comparing both balanced and unbalanced cables and while I could hear a difference it was extremely slight and I could only tell that when the amp was wide open with no input - the noise floor.)

If I were you, I'd try both stereo and mono and see which one you prefer.
_________________________
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mp3\wav files

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#1705333 - 06/30/11 11:48 PM Re: How to Daisy Chain PA System from DP [Re: Dave Horne]
tygacj Offline
Junior Member

Registered: 06/10/11
Posts: 16
Loc: honolulu, hi
Thanks for the responses. In answer to RafaPolit's question about why I wanted to run unbalanced outputs from the DP is because i wanted to achieve a mono (even) sound through both speakers which is only available through the unbalanced output labeled L/Mono. There is no label for L/Mono for the balanced ouputs on my Yamaha CP5. But like Dave Horne said above, as long as the speakers (PA System) arent far apart during a gig, stereo sound will work fine. I was initally worried that one side of the audience will hear the left channel of my keys and the the other end of the audience will hear the other half side of my keys. I have my first wedding gig with a DP setup coming up in a couple months and i want to be sure i got all the necessary cables, equipment, and a guideline on how to setup up all of the equipment. Thanks again!

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#1705388 - 07/01/11 03:20 AM Re: How to Daisy Chain PA System from DP [Re: tygacj]
ChrisA Offline
3000 Post Club Member

Registered: 12/28/08
Posts: 3841
Loc: Redondo Beach, California
Originally Posted By: tygacj
I was initally worried that one side of the audience will hear the left channel of my keys and the the other end of the audience will hear the other half side of my keys.


That will not happen as long as the speakers are about as far apart as the width of a piano, say within 5 feet. The L/Mono output does not sound as good as stereo. Well, I don't have a CP5 but on pianos where I've tried it, if the samples are in stereo you want two speakers.

The reason for all of this is that the line out on a DP is more like a microphone feed then a mixed and mastered stereo recording. I think you could use widely spaced stereo speakers for your DP if you processed the DP's sound the way a recording engineer would have if he were making a CD. He pan both of the DPs channels more to the center, or both of them left. Basically he's make the width of your piano about as wide as a piano, the same thing you do by placing speaker closely and feeding them the raw sound from the DP.

So if you do have to play over a stereo PA with wide sppeakers, just pan both channels to where ever the piano is.

If you want my opinion on your signal chain, I'd say "you have way to many steps."

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#1705412 - 07/01/11 04:53 AM Re: How to Daisy Chain PA System from DP [Re: tygacj]
Dave Horne Offline
5000 Post Club Member

Registered: 07/07/04
Posts: 5277
Loc: Vught, The Netherlands
I was initally worried that one side of the audience will hear the left channel of my keys and the the other end of the audience will hear the other half side of my keys. I have my first wedding gig with a DP setup coming up in a couple months and i want to be sure i got all the necessary cables, equipment, and a guideline on how to setup up all of the equipment.

As I stated, I place my speakers side by side and they sound excellent and I have better bass response and a wider spread of the sound. I place the speakers side by side but slightly angle them away from each other. I'll record something internally (or play a CD) and walk across the room to give it a listen. It always sounds just fine.

I would seriously advise you set up your system in your living room before the job to be sure you know how everything works and that everything works as expected.

From page 15 of your CP5 Owner's Manual ...

Using a pair of keyboard amplifiers or powered speakers, you can accurately reproduce the full richness of CP5 or CP50
sounds, including pan and other widening effects. In this type of situation, connections to the amplifiers or speakers
should be made via the unbalanced [L/MONO] and [R] output jacks on the rear panel. If you would prefer to monitor your
playing using a single keyboard amplifier or powered speaker, the unbalanced [L/MONO] output jack should be used.


The balanced outputs are more for really long runs or studio work where you need to have the absolute lowest noise floor. In the real world 1/4" cables are just fine since the powered speakers(?) or amp is\are close to you, right?
_________________________
website

mp3\wav files

AvantGrand N3, CP5

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