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Cleaning switches

Inviato: sab 19 giu 2021, 18:56
da jogunast
What is the best way to clean the plastic switches on large receivers? One speciment I have sounds like "Rauchfilter" is almost never fully disconected. Bloated bass and high frequency attenuation.
All advices are welcome, thank you.

Re: Cleaning switches

Inviato: mar 22 giu 2021, 19:14
da M.Ambrosini
jogunast ha scritto:
sab 19 giu 2021, 18:56
What is the best way to clean the plastic switches on large receivers? One speciment I have sounds like "Rauchfilter" is almost never fully disconected. Bloated bass and high frequency attenuation.
All advices are welcome, thank you.
contact's deoxidizer of the oily type

Re: Cleaning switches

Inviato: mer 30 giu 2021, 14:22
da jogunast
Hi Massimo!
Thank you for advice. I used wd40 contact cleaner.
I pushed the plastic nosle inside the switch and soaked them all with cleaner. It did get better.. Bass is better now, but mid/high still sounds little coloured and congested. I will repeat the procedure few times..

Re: Cleaning switches

Inviato: mer 30 giu 2021, 17:49
da M.Ambrosini
jogunast ha scritto:
mer 30 giu 2021, 14:22
Hi Massimo!
Thank you for advice. I used wd40 contact cleaner.
I pushed the plastic nosle inside the switch and soaked them all with cleaner. It did get better.. Bass is better now, but mid/high still sounds little coloured and congested. I will repeat the procedure few times..
I don't have good experiences with wd40 ...
However the sound gets worse for a while ... until it dries