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

 

Beolab 4 blown fuse?

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This post has 4 Replies | 1 Follower

tobias_tp
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tobias_tp Posted: Sun, Oct 30 2016 11:00 PM

Hi all

This is my first post. I have browsed the forum, but I did not find a similar thread.

I sincerely love my Beolab 4's connected to my Beosound 3000, but I am afraid I have blown a fuse or similar in one of them.

I found a used Beocenter 2300 and connected my right-side Beolab 4 to it. There came heavy, sharp crackles through the Beolab 4 and no bass. The same sounds came in earphones connected to the faulty unit. The left-side was never connected to the faulty 2300 unit. I have since disposed of the 2300 unit, but the right-side Beolab 4 has suffered damage. Reconnected to the Beosound 3000, the Beolab 4 now plays with a significantly lower volume than before, although the quality of the sound is fine. It is not a balance issue. Even with the balance shifted almost completely to the right, the left speaker plays the loudest.

Is there a fuse I can replace, or must I bring the Beolab 4 to a service center?

Thank you in advance

BeoChecker
Top 500 Contributor
Switzerland
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Hi

There is no fuse.
Do you have still no Sound from the Woofer after cracking noise?
Then a defective Amplifier board is well known with Beolab4.

Otherwise check the Cables and try to switch the Speaker to left channel for testing.

 

BeoChecker

tobias_tp
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tobias_tp replied on Mon, Oct 31 2016 8:29 PM

BeoChecker, thank you for your reply

When I reconnected the Beolab4 with reversed laterality as suggested. It played with the low faint dull volume for a few seconds, then bass set in, and the speaker is now functioning perfectly, even when I shift back to the original Right state.

I don't know whether there was only sound from the tweeter when the problem was present.

Problem solved although not quite identified, thank you

Beobuddy
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Utrecht, The Netherlands
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BeoChecker:

Hi

There is no fuse.

This would be the first time ever.

 

BeoChecker
Top 500 Contributor
Switzerland
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You're right.
But there is no fuse which can cause the described error!


BeoChecker

 

 

 

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