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Is it normal for the woofer to move in/out slowly

My only tubed piece is the pre-amp. It is the only piece I turn off when not in use. I noticed that when I turn it off the woofers on my speakers move in and out rather slowly while I hear what I assume are the tubes discharging.

Is that normal and more importantly can it cause damage to the speakers?

Thanks
bokfudo

Showing 2 responses by bokfudo

bokfudo OP
58 posts
 
It sounds like it is OK since the woofers are not driven to their limit and they move slowly. I wish I could leave the tubed pre on all the time but like a light bulb, that would reduce the life of the tubes.

Thanks for the answers!
bokfudo OP
58 posts
 
Rja also brings up a good point, repeated surges from frequent turning on I guess will affect tube life as well. May be the best compromise is to turn the pre on once a day and off for bed time :-)

Cheers
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