The Graph Tech Ghost Acousti-Phonic Volume Pot with Mid/Dark Switch allows you to control the volume of the Acoustic-Phonic piezo output and also incorporates a push/pull switch which selects between two EQ curves for the output, the normal 'dark' ghost sound and one with a boost in the midrange (around 2 kHz). The potentiometer comes with pre-wired connector to plug in to Acousti-Phonic preamp.

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