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KeithsTV · 21st Aug 2019, 8:49 pm

R7 and R8 should be uprated to 1W parts. I've had both channels of my 405 fail, one due to R7 and one due to R8. Fortunately the crowbar on the output saved the speakers.

Keith

21st Aug 2019, 8:49 pm	#4
KeithsTV Nonode Join Date: Aug 2007 Location: South Bradford, West Yorkshire, UK. Posts: 2,573	Re: Quad 405, 44 and FM4 reinstating R7 and R8 should be uprated to 1W parts. I've had both channels of my 405 fail, one due to R7 and one due to R8. Fortunately the crowbar on the output saved the speakers. Keith