How to eliminate the humming on left chanel of my MF Nu Vista M3?

[TrucThang]

I have a 10 years old Musical Fidelity Nu Vista Amp, both the Volume Control and Selector making cracking noise when made change!!! also humming noise on left side speaker..Very loud on Pre Amp output for Left Sub Woofer. Welcome and appreciate any advices, comments.

Best Regards,

Phong Bui

 

[americanaudiophile]

It sounds like you are going to need to get it serviced. The noisy controls may just need to be cleaned. The hum could be bad capacitors but there are other possible causes. Contact the importer of Musical Fidelity in your country for service or a suggested service facility.