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Type of cables for in-wall Beolab 15 & 16

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HC
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HC posted on Thu, Apr 23 2015 6:58 PM

Hi guys,

I'm Having a set of Beolab 15 & 16 installed in a new bathroom, and my B&O dealer suggested to use two Cat7 cables for each speaker. However, I overheard a person at another B&O store suggest to use speaker cables with four wires each (4-leder in Norwegian). I'm not able to consult with this guy to get an explanation.

Each speaker has an RJ45 input for "Control" and 2x2 inputs for "Speaker" which I suppose is power, i.e. + and - for TW and Mid on the speakers and + and - for each of the two units in the sub.

Do you have any advice on what cables to use? I suppose that the plugs will have to be installed on the cables after they've been placed in the wall.

 

 

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Millemissen
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Pretty simple - run one 4-wired cable (with the special connector) and one Cat7 (with the RJ45 connector) to each speaker!

MM

There is a tv - and there is a BV.

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StUrrock
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HC:

Hi guys,

I'm Having a set of Beolab 15 & 16 installed in a new bathroom, and my B&O dealer suggested to use two Cat7 cables for each speaker. However, I overheard a person at another B&O store suggest to use speaker cables with four wires each (4-leder in Norwegian). I'm not able to consult with this guy to get an explanation.

Each speaker has an RJ45 input for "Control" and 2x2 inputs for "Speaker" which I suppose is power, i.e. + and - for TW and Mid on the speakers and + and - for each of the two units in the sub.

Do you have any advice on what cables to use? I suppose that the plugs will have to be installed on the cables after they've been placed in the wall.

Is this dealer for real?
HC
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HC replied on Thu, Apr 23 2015 9:29 PM

Not completely sure what you mean with that. The dealer that sold med the set suggested double Cat7 and will provide cables and fix the plugs after the bathroom wall has been closed and finished.

The guy who mentioned speaker cables where a tech guy /installer at a competing B&O dealer I contacted on a demo model of the same set, I only heard him in the background when I was talking to another guy about what I needed in addition to the demo speakers. I never bought anything here, so I suppose it will be difficult to get hold of that guy in the background to ask what he really suggested for a set I never bought.

Are one or both of the suggestions bad, or what did you have in mind?

Amazone
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I Agree the manual is not very clear, basically just a few drawings.

As far as I understand you need to use one pair of CAT/RJ45 cable and also two pairs of regular speaker cable for each speaker. (Or one speaker cable containing 2x2 wires)

Since the speakers are basically 'passive' (with a remote 'active' amplifier) you need to use cabling meant for passive speakers and you cannot run the full power from the amp to the speaker over CAT. When you have alook at the pictures you will easily recognize that both amp and speakers have regular speaker cable terminals instead of RJ45 terminals for CAT cabling.

BeoVision 11-55, BeoLab 8000, BeoRemote One BT, AppleTV 4, 2x BeoPlay A2, BeoPlay A1

StUrrock
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StUrrock replied on Fri, Apr 24 2015 10:20 AM

Page 6 of the installation Guide for Amplifier one is very specific in its requirements for the speker cable.

 

Please ask your dealer for a copy of this.

 

It seems this dealer has never installed one before :)

StUrrock
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StUrrock replied on Fri, Apr 24 2015 10:20 AM

Sorry double post

HC
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HC replied on Fri, Apr 24 2015 11:19 AM

Right, that's what I'm wondering as well - are the speakers really passive? The speakers are motorized so that they are tilted out of the wall when turned on, they would need electricity to do that. However, I'm not sure which cable is used for power, I thought it was the none-RJ45 one but then it's probably the CAT with RJ45 - I don't know.

About the "easily recognize that both amp and speakers have regular speaker cable terminals": I wasn't sure about this, as the terminals on the actual speakers are quite strange and require some "plug". You can also see this on a page in the installation guide of the speakers, but that's all (see picture below).  Perhaps it's included in the box, I don't know since I got a demo set without all accessories. Sad

HC
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HC replied on Fri, Apr 24 2015 11:21 AM

Right, that guide is not available on web - only User Guide for Amp1 and Install guide for BL15 and BL16, and no relevant info on this there. Dealer has a demo set installed on a demo wall in addition to this set which was apparently "as good as new and only opened in the store but they lost the box".

A bit strange that there is an installation guide not available on web?

StUrrock
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StUrrock replied on Fri, Apr 24 2015 11:57 AM

HC:

Right, that guide is not available on web - only User Guide for Amp1 and Install guide for BL15 and BL16, and no relevant info on this there. Dealer has a demo set installed on a demo wall in addition to this set which was apparently "as good as new and only opened in the store but they lost the box".

A bit strange that there is an installation guide not available on web?

What is even stranger is that you ever so helpful dealer is not giving you the information you need.

 

All they have to do is download the guide from the B&O support website and email it to you.

 

Sack them and go to someone who knows what they are doing.

 

You are buying an expensive piece of kit from them and they are not giving you the information you need, that is just plain stupid.

Millemissen
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Do you mean this:

http://media.datatail.com/docs/manual/148923_fr.pdf

The speakers are two-way speakers - you need two R/L cables for each speaker.

In a way you can say, that these are 'active speakers' - with an external dedicated amplifier and long cables.

The RJ45 cable is for controlling the built-in motor of the speaker (they can turn when activated).

Use the cables recommended/supplied from B&O.

There is no excuse - your dealer should order them and they should be part of the packet.

But i am sure Steve at SoundsHeavenly could also help, if needed - if you need other lenghts etc.

MM

There is a tv - and there is a BV.

HC
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HC replied on Fri, Apr 24 2015 12:28 PM

StUrrock:

What is even stranger is that you ever so helpful dealer is not giving you the information you need.

 

All they have to do is download the guide from the B&O support website and email it to you.

 

Sack them and go to someone who knows what they are doing.

 

You are buying an expensive piece of kit from them and they are not giving you the information you need, that is just plain stupid.

 

I agree, I should go somewhere else - but I'm too deep into this right now so it'll have to bee next time.

HC
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HC replied on Fri, Apr 24 2015 12:31 PM

Millemissen:

Do you mean this:

http://media.datatail.com/docs/manual/148923_fr.pdf

The speakers are two-way speakers - you need two R/L cables for each speaker.

In a way you can say, that these are 'active speakers' - with an external dedicated amplifier and long cables.

The RJ45 cable is for controlling the built-in motor of the speaker (they can turn when activated).

Use the cables recommended/supplied from B&O.

There is no excuse - your dealer should order them and they should be part of the packet.

But i am sure Steve at SoundsHeavenly could also help, if needed - if you need other lenghts etc.

MM

 

Well, I found that one (labeled user guide) - but StUrrock mentioned a page 6 in an install guide where the cable specifics where supposed to be, I couldn't find any details in the user guide..

StUrrock
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StUrrock replied on Fri, Apr 24 2015 12:45 PM

HC:

Millemissen:

Do you mean this:

http://media.datatail.com/docs/manual/148923_fr.pdf

The speakers are two-way speakers - you need two R/L cables for each speaker.

In a way you can say, that these are 'active speakers' - with an external dedicated amplifier and long cables.

The RJ45 cable is for controlling the built-in motor of the speaker (they can turn when activated).

Use the cables recommended/supplied from B&O.

There is no excuse - your dealer should order them and they should be part of the packet.

But i am sure Steve at SoundsHeavenly could also help, if needed - if you need other lenghts etc.

MM

 

Well, I found that one (labeled user guide) - but StUrrock mentioned a page 6 in an install guide where the cable specifics where supposed to be, I couldn't find any details in the user guide..

Just email the dealer and DEMAND he emails the B&O install guide to you!

It is less than 30 seconds work for him/her.Erm..

HC
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HC replied on Fri, Apr 24 2015 9:15 PM

StUrrock:

HC:

Millemissen:

Do you mean this:

http://media.datatail.com/docs/manual/148923_fr.pdf

The speakers are two-way speakers - you need two R/L cables for each speaker.

In a way you can say, that these are 'active speakers' - with an external dedicated amplifier and long cables.

The RJ45 cable is for controlling the built-in motor of the speaker (they can turn when activated).

Use the cables recommended/supplied from B&O.

There is no excuse - your dealer should order them and they should be part of the packet.

But i am sure Steve at SoundsHeavenly could also help, if needed - if you need other lenghts etc.

MM

 

Well, I found that one (labeled user guide) - but StUrrock mentioned a page 6 in an install guide where the cable specifics where supposed to be, I couldn't find any details in the user guide..

Just email the dealer and DEMAND he emails the B&O install guide to you!

It is less than 30 seconds work for him/her.Erm..

 

Thanks, I did - and he sent it. He also added in the email that B&O recommends to use Cat7, but it seems in the install guide that thats just for control, while regular speaker cables are used for in addition, as the other guy and you guys suggested - though it is not perfectly clear the way I read it, but perhaps thats just because of all the uncertainty so far.

 

 

Millemissen
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Flensborg, Denmark
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Pretty simple - run one 4-wired cable (with the special connector) and one Cat7 (with the RJ45 connector) to each speaker!

MM

There is a tv - and there is a BV.

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