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This is the second Archived Forum which was active between 1st March 2012 and 23rd February 2022

 

Linking I/O of Beocenter 9500 and beosound 9000

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Pestria
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Pestria Posted: Wed, Jan 19 2022 9:49 AM

Hi everyone

Does anyone know if it's possible to connect the powerlink aux speaker output from a Beocenter 9500 to the aux input on a Beosound 9000?  Or alternatively use the MCL connections out to the 9000?

I can explain the convoluted reasons if needed!

 

Many thanks 

 

Alan

 

 

Guy
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Guy replied on Wed, Jan 19 2022 10:04 AM

It's probably better to connect two of the Aux sockets which are inputs/outputs at (fixed) line level.  This will avoid double volume control problems.  I would be sure to use a 5 pin din connector to avoid datalink conflicts.

I assume that they are in different rooms?

EDIT:  Just to be clear, I mean from one of the BC9500's Tape or Aux sockets to the BS9000's Aux socket.  On both machines they are inputs and outputs so you should be able to pass audio in both directions.

Pestria
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Pestria replied on Wed, Jan 19 2022 10:31 AM

Hi

Thanks so much for your reply.

The reason for asking about the speaker outputs is that I'm already using the tape2 and aux inputs as inputs into the beocenter 9500.

 

Alan

 

Pestria
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Pestria replied on Wed, Jan 19 2022 10:34 AM

Sorry -forgot ot confimr - yes - they are in separate rooms.

 

I've got masterlink and cat5 cables running between the rooms which could be used to connect (obviously not using the masterlink system - but there are enough wires to carry any signals).

 

AP

stefan
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stefan replied on Wed, Jan 19 2022 10:38 AM

I`d use AUX sockets on both sides - you will need a 5 pin DIN cable (or 7 pin - datalink doesn`t matter, because BS9000 has no datalink on the AUX socket) - but the cable must have a kind of "crossover" wiring, because pin 1-4 are outputs on both audiomasters and pin 3-5 are inputs. To connect output to input you must connect pin 1 to pin 3 and pin 4 to pin 5 - and vice versa. Will work perfectly with fixed levels on both sides, as already said.

Stefan

Pestria
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Pestria replied on Wed, Jan 19 2022 10:43 AM

Hi Stefan

Thanks for the advice.

The reason for asking is that I'm alread yusing the aux and tape2 socket on the 9500.

 

alan

Guy
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Guy replied on Wed, Jan 19 2022 10:51 AM

In that case I would use somethin like this: https://soundsheavenly.com/bang-olufsen/11-312-7-pin-aux-splitter-dual-aux-tape-input-sockets.html#/20-length-02m

... to one of the BC9500's Aux sockets that you are currently using as an input.  Then connect the extra socket to the BS9000.  You may want to use a bespoke DIN lead that connects the output pins (1 and 4) at the BC9500, to the input pins (3 and 5) at the BS9000.  A bespoke lead will avoid conflicts if you have the BS9000 running at the same time that the BC9500 is using that input for the other source.

EDIT: Stefan beat me to it with the pin explanation!!

Pestria
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Pestria replied on Wed, Jan 19 2022 11:06 AM

Thanks again for  your advice.

I have a couple of splitters which I could use.

In the past I tried to use them to share an aux socket for dual input (record deck and apple express) into the beosound 9000.  I found that when both inputs were connected the sound level was much reduced and very flat/dull.

I assumed this was something to do with impendence to the signal input.

Might this be a problem in the scenario of using a din cable with i/o switched?

Alan

Guy
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Guy replied on Wed, Jan 19 2022 11:17 AM

Pestria:
I found that when both inputs were connected the sound level was much reduced and very flat/dull.

Yes I have had this problem with two 'live' devices connected to one of the BC9500's aux inputs using the cable that I linked to.

Pestria:
Might this be a problem in the scenario of using a din cable with i/o switched?
 

This is what I was trying to explain as a solution.  Your current input device is probably not using the BC9500's Aux output pins (1 and 4), so if you connect just these to the BS9000 you should not have a problem.

An alternative solution would be to make up a bespoke plug to take an aux output from the Line In/Out 'dummy' plug above the Powerlink 1 socket.  You would need to make sure that your connection still connects pins 1 to 3, and 4 to 5.

Pestria
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Pestria replied on Wed, Jan 19 2022 11:50 AM

Great - thanks so much for your input

stefan
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stefan replied on Wed, Jan 19 2022 12:26 PM

Pestria:

I have a couple of splitters which I could use.

In the past I tried to use them to share an aux socket for dual input (record deck and apple express) into the beosound 9000.  I found that when both inputs were connected the sound level was much reduced and very flat/dull.

I assumed this was something to do with impendence to the signal input.

Might this be a problem in the scenario of using a din cable with i/o switched?

Alan

This is completely correct. Never use a splitter, which means splitting one output to two inputs, as a mixer (or merger) which means, mixing two outs to one input. outputs are low impedance and inputs are high impedance..but read yourself - here is an article that also offers a solution..

https://www.prosoundweb.com/why-not-wye/

Stefan

L Spad
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L Spad replied on Wed, Jan 19 2022 3:07 PM

Given that you have masterlink cables in place, wouldn’t a 1611 converter be a better solution?

Pestria
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Pestria replied on Wed, Jan 19 2022 4:10 PM

This was the original plan many years ago - however we subsequently found out that you can't have 2 audio masters in the same system.

 

Hopefully I'm not mistaken on this.

L Spad
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L Spad replied on Thu, Jan 20 2022 11:30 AM

Quite right - one would have to be Audio master and the other audio slave. On the slave you’d access all sources as normal on the remote, but can also access sources from the master by pressing LINK then the relevant source. The master cannot access the sources of the slave device so you’d need to pick which way you want carefully. The 1611 converter with the most recent software can act as master or slave so you’d have some flexibility.

Pestria
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Pestria replied on Tue, Jan 25 2022 1:24 PM

Unfortunately I dont think either the beocenter 9500 or the beosound 9000 (possibly series 1) can be a slave unit.

beoaus
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beoaus replied on Thu, Jan 27 2022 11:39 AM
There is an upgrade that allows a Beosound 9000 MK1 to work with another audio master on a ML network with or without a BLC. Say a Beosound 5 or like.

I had it installed. Solved a few problems for me.

BTW I use a Chromcast audio connected to the BLC line in via a RME-ADi2. It streams audio thru ML and NL systems. That is another story.

Lastly. I have posted the chip details in the old forum. Keith may have its part number otherwise.

Cheers Beoaus.
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