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In this installment of the technical section of the Juan Calatayud channel, he shows us different types of potentiometers and how to clean them so that they stop making the annoying noises that we all know. Recommended cleaning products: WD40 SPECIALIST https://amzn.to/32avCwW WD40 DOUBLE ACTION https://amzn.to/3FALlmI DEOXIT FADER 100L https://amzn.to/3A9JC6R Help the channel, become a patron: https://www.patreon.com/hifihunters?l=es