0 preamp??? Posted by mark "mudcat" quigley on January 26, 2011 at 1:13am being an electronic dummy---what exactly will a preamp do for my cbg with a piezo or pup or both. please help make me an electronics guru You need to be a member of Cigar Box Nation to add comments! Join Cigar Box Nation Email me when people reply – Follow
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Hi Mark,
A pre-amp will raise the volume, and for piezos will help match the impedance with the amp. If you don't match the impedance, the piezo will sound harsh and tinny.