concert radio front speakers on A6 avant

Just fitted a 2nd hand concert radio to my A6,but unable to get sound from the 2 front speakers,even after adjusting controls.The concert radio is Bose compatible,would this affect this problem?Anyone have any
ideas,perhaps unit is faulty!!! rgds sjfedex
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I'm guessing that your A6 is not equipped with Bose, and that the Concert came from a vehicle which was so equipped?
The Bose system uses a remote amplifier for all speakers. The standard install only uses a remote amplifier for the rear speakers.
The Concert H/U should be compatible, but you will need to alter the settings (might possibly require VAG-COM) to turn the Bose setting off.
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Peter Bell (Note Spamtrap - To reply, replace 'invalid' with 'bellfamily')

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thx peter,will coonect up to VAG-COM to look at the settings....sjfedex
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Okay, assuming it's the original Concert 2 (up to about summer 2001), you need to change the coding as follows:
You should find that the coding is currently set to something like: 00017 (assuming CD changer and DIS - these will affect the last digit)
For a non-Bose install, the coding should be changed to something like: 00207.
In other words, the third digit should change from 0 -> 2 the fourth digit should change from 1 -> 0
HTH.
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Peter Bell (Note Spamtrap - To reply, replace 'invalid' with 'bellfamily')

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Peter, If you still pick up this post..Checked VAG_COM,the code shows 000201,but when i ran fault find,it showed a fault with front speakers,so i cleared it.(This is with my original H/U,should i retry the Bose H/U,without changing the 00201 code? rgds SJFEDEX
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Err... that code is stored in the H/U itself. The new unit needs to be coded up the same as the old one. It is that code which makes it a 'Bose' or 'non-Bose' unit. What code do you get with the new H/U installed?
If the speaker fault went away after you cleared the fault code, I'd guess that it was reporting it as an intermittent fault - probably because the H/U had been powered up with the speakers not attached. Again, this fault code is stored within the H/U.
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Peter Bell (Note Spamtrap - To reply, replace 'invalid' with 'bellfamily')

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Peter, thx for your help,radio all up and working ok. rgds sjfedex
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Good news! Thanks for the feedback.
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