Thread: Quad 405 hum
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Old 24th May 2019, 5:24 pm   #11
Krolroger
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Join Date: Nov 2017
Location: London, UK.
Posts: 108
Default Re: Quad 405 hum

For what it's worth, I've just fitted a 280VA audio grade toroid with two secondary windings into a Beomaster 4000. It was made to order by Canterbury Windings with whom I have no connection. It cost £101 including UK delivery.

It is totally silent even under load, so I can thoroughly recommend them.
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