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Trimmer potentiometers

Trimmer potentiometers

Due to their design, these variable resistors are unsuitable for frequent adjustments. The desired value is adjusted (trimmed) using a slot-head screwdriver and then fixed. Compared to other potentiometers, trimmer potentiometers have the advantage that they cannot be adjusted whilst in operation. They are therefore used in areas where the value set during installation remains unchanged. This characteristic means they are preferred for use in broadcasting equipment or amplifiers for music systems.

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