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Table of Contents
Related Manuals for Fishman PREFIX PLUS
Summary of Contents for Fishman PREFIX PLUS
- Page 1 U S E R ’ S G U I D E...
- Page 2 FISHMAN PREFIX™ PLUS This fine instrument is equipped with a FISHMAN PREFIX PLUS™ ACOUSTIC GUITAR SYSTEM. Please read these instructions care- fully. If you have any questions or problems, please call our CUS- TOMER SERVICE LINE at (978) 988-9665. The PREFIX PLUS™ is an instrument-mounted pickup / preamp sys- tem that offers total control of your amplified guitar sound.
- Page 3 ONBOARD ACOUSTIC GUITAR SYSTEM PREAMP FUNCTIONS BATTERY COMPARTMENT Pull the small tab at the top of the PREFIX PLUS™ toward you. The body of the preamp will swing out, revealing the BATTERY COMPARTMENT. Insert a fresh 9V alkaline battery. ENDPIN JACK The PREFIX PLUS™...
- Page 4 FISHMAN PREFIX™ PLUS VOLUME CONTROL Controls the overall gain of the PREFIX PLUS™. Goes from very quiet to very loud. BASS CONTROL This is a boost/cut shelving tone control. The center detent yields a flat response. CONTOUR This is a Wide-range semi-parametric filter. It is used to selectively shape the instru- ment's tone.
- Page 5 ONBOARD ACOUSTIC GUITAR SYSTEM SUGGESTED EQ SETTINGS MID CUT You can scoop out harsh midrange by setting the FREQUENCY slider slightly above center with the CONTOUR Level cut to taste below the center detent. You can also cut midrange by boosting the BASS and TRE- BLE sliders to...
- Page 6 FISHMAN PREFIX™ PLUS FINGERSTYLE This setting will add fullness to the bass and definition to the treble.
- Page 7 ONBOARD ACOUSTIC GUITAR SYSTEM CUT THROUGH For cutting through a live band mix at high volumes.
- Page 8 FISHMAN PREFIX™ PLUS WHAT IS PHASE? Phase is the relationship between two signals or soundwaves originating from the same instrument. For our purposes, phase relationships are expressed as being either "in phase" or "out of phase". In phase tends to enhance, while out of phase tends to sup- press the natural characteristics and acoustic tendencies of an instrument.
- Page 9 ONBOARD ACOUSTIC GUITAR SYSTEM PHASE, Continued from Page 8 WHAT IS THE PHASE SWITCH FOR? The phase switch is useful for two reasons: 1. Due to the interactive and changing nature of phase, acoustic amplification depends on maintaining optimum phase relationships between amplified instruments, sound systems and venues.
- Page 10 FISHMAN PREFIX™ PLUS PHASE, Continued from Page 9 Here's why: A typical guitar has a cavity resonance of about 100 Hz. This is the frequency that generally feeds back when the guitar and speaker are in phase. 100 Hz has a wavelength of about 11 feet.
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Page 11: Specifications
ONBOARD ACOUSTIC GUITAR SYSTEM 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... - Page 12 Products returned to FISHMAN for repair or replacement must be shipped in accordance with the Return Policy, as follows. This warranty remains valid only if repairs are performed by FISHMAN. This warranty gives you specific legal rights and you may also have other rights which may vary from state to state.