Drive-O-Matic w/Mark Humphrey Mod

Effect Information

“This one included a modification for extra deep bass for use on a five string bass. The modification apparently also helped to remove a ‘brittle raspy stock sound’ from the original version using upgraded components.  The effect has two channels for different drive ranges and EQ sounds.”

Archived past online sales data:

Effectsfreak legacy website (includes sales data 4/2008 - 4/2021)

Drive-O-Matic w/Original Box

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