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B&W Nautilus 802 woofer cuts out

After playing the speakers at a mid to loud volume for about an hour, the woofers shuts off. Then after about 10 minutes you can hear a pop like it resets and the woofers operate again. The speakers are bi-amped.  The channels of the amp its connected to has been switched multiple times and still the same thing happens.To me it sounds like when the woofers get too hot, they power down to cool off. Then after about 10 minutes of cooling off they come back online.
On older B&W matrix speakers there is an APOC (Audio Powered Overload Circuit).
Has anyone else had this problem?
Or I am looking for solutions.

samuelvelma
riley804
1,224 posts
 
or is the amps getting to hot and shutting down to protect itself ……as you did say mid to high volume ?

what amps are you using?
erik_squires
15,662 posts
 
I"m not sure what you are saying. This only happens on 1 speaker, regardless of switching amp sides?
erik_squires
15,662 posts
 
B&W keeps their service manuals and schematics online.

While I am not sure I got exactly your model, but I could not find any protection circuit in this specific model.


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