Subwoofer bang sounds on Switch On

Soldato
Joined
30 Nov 2005
Posts
3,083
Location
London
Hey all,

Have a really strange issue.

When I turn my TV AMP (Onkyo) on the Subwoofer makes multiple short, very loud, bangs/thumps. Like seriously loud!

However, it only happens when the Amp and Sub Woofer have been OFF for sometime i.e they’ve both been off overnight and then I turn them on the next morning, I get the bangs.

So I fail to get these bangs the rest of the day, even though the Amp and Subwoofer are turned off / on throughout the day.

Any idea whether it’s the Amp or Subwoofer? Both work fine outside of this issue.
 
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