U S E R ’ S G U I D E PREFIX TM PRO
F I S H M A N P R E F I X ™ P R O This fine instrument is equipped with a FISHMAN PREFIX™ PRO ACOUSTIC GUITAR SYSTEM. Please read these instructions carefully. If you have any questions or problems, please call our CUSTOMER SERVICE LINE at (978) 988-9665. The PREFIX™ PRO is an instrument-mounted pickup / preamp system that offers total control of your amplified guitar sound.
A C O U S T I C G U I T A R S Y S T E M PREAMP FUNCTIONS BATTERY COMPARTMENT Pull the small tab at the top of the PREFIX™ PRO preamp toward you. The body of the preamp will swing out, revealing the BATTERY COMPARTMENT. Insert a fresh 9V alkaline battery. POWER The PREFIX™ PRO has no ON/OFF switch. It is turned on only when an instrument cable is plugged into the endpin jack. To conserve the battery, remove the instrument cable from the endpin jack when the unit is not being used.
F I S H M A N P R E F I X ™ P R O CONTROLS NOTCH FILTER This is a fixed level, variable-frequency filter for eliminating feedback or unwanted resonance. The affected frequency is variable from 40 to 500 Hz. The NOTCH FILTER is effectively off in the full counter-clockwise position. VOLUME CONTROL The Volume control goes from very quiet to very loud. BASS, & TREBLE CONTROLS These are boost/cut shelving tone controls. The center detent yields a flat response.
A C O U S T I C G U I T A R S Y S T E M SUGGESTED EQ SETTINGS These settings are meant to be used as a starting point for building your sound. MID CUT This is a good all-around setting. Cut the MIDDLE Level to taste. You can also cut midrange by boosting the BASS and TREBLE sliders to realize an implied mid-cut at 800 Hz. BRILLIANCE If you are playing through a guitar amplifier or have dead strings on the instrument, you can brighten up your sound with this setting.
F I S H M A N P R E F I X ™ P SUGGESTED EQ SETTINGS, R O CONTINUED CUT THROUGH THE MIX For cutting through a live band mix at high volumes. FINGERSTYLE This setting will add fullness to the bass and definition to the treble.
A C O U S T I C G U I T A R S Y S T E M SPECIFICATIONS Nominal Input Level: -20 dBV Input Overload: (20 Hz - 20 kHz) +2 dBV Input Impedance: 20 M Ohms Output Impedance: Less than 3.5 k Ohms Nominal Output Level: -12 dBV THD: Less than .04 %, -20 dBV input Signal to Noise Ratio: 77 dB (A weighted referred to nominal -20 dBV input) Current Drain: Less than 3.5 mA Power Supply: 9V Alkaline battery (estimated 160 hours continuous use with low battery indicator at 6.
L I M I T E D W A R R A N T Y INSTALLATION BY A QUALIFIED PROFESSIONAL REPAIRMAN IS STRONGLY RECOMMENDED. FISHMAN TRANSDUCERS WILL NOT BE RESPONSIBLE FOR ANY DAMAGES THAT MAY RESULT FROM IMPROPER INSTALLATION. The FISHMAN PREFIX™ PRO ACOUSTIC GUITAR SYSTEM is warranted to function for a period of One (1) Year from the date of purchase.
