Acoustic sound board transducer (AST) for steel stringed acoustic guitar - Operation based on a worldwide-patented elastic electret film - Large pickup surface (14mm x 70mm) to capture all the detailed acoustics of the instrument - Size fits a wide range of guitars - Ultra thin, flexible and rugged constant structure - High gain before feedback - Wide dynamic range - Easy installation: the AST attaches to the guitar's bridge plate with a special two sided adhesive tape; string balance is always even - Easy "plug in" to the preamp, w/ o soldering - Compatible w/all B-Band onboard preamps.

Signature required.