Tannoy HTS101xp subwoofer keeps resetting


Established Member

I have a Denon AVR-X2300W with the Tannoy HTS101xp speakers.
All working fine for a few years, but now the subwoofer has starting behaving weirdly.
I get a loud thump from the subwoofer and it seems to completely reset itself (the LED on the back of the subwoofer goes off).
This happens maybe 2 times a day, so not that often.

On the Denon, speakers set to small, crossover= 100hz. LPF for LFE= 120hz
Tried plugging the sub into the other output on the amp, same issue.

The only changes I have made was to move the whole setup into another room onto an different TV.
Any ideas anyone???


Prominent Member
This thread will be useful, because your sub comes with the same built-in amplifier. 99% the fault is related to standby power supply caps.

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