Denon PMA 520 Bass knob too tight to turn


New member
Username: Nodbek

Post Number: 1
Registered: Aug-05
i have a denon integrated PMA 520. The bass knob has become to tight. i can turn by requires effort. how do i make it smooth and easy to turn again?

Unregistered guest
You Need To pull The knob off and spray some switch cleaning lubricant into the very small gap around the bit that twists, this is done better if you stand the amp vertical, the stuff I use is, (Servisol Super 10) use the small attachment that comes with it.
All the best!
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