Fishman PREFIX PRO Manual de usuario

PRO

PREFIX

USER’SGUIDE

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.

The Pickup

The PREFIX™ PRO ACOUSTIC GUITAR SYSTEM includes a FISHMAN

ACOUSTIC MATRIX pickup; made with a unique co-polymer sensing

material, available exclusively from FISHMAN. This technology is not

available from any other manufacturer. The sensing material exhibits a

sensitivity and dynamic range that far surpasses all other known sens-

ing materials.

The ACOUSTIC MATRIX transducer is a fully EMI shielded, multi-layer

sandwich of co-polymer strips that run the length of the pickup. This

design allows the pickup to sense the motion of the entire saddle length,

providing superb string to string balance, as well as sensitivity to both

the strings and top of the instrument.

The Preamp

The PREFIX™ PRO preamp module incorporates a unique "flip-top"

battery compartment for easy access. Level is set by the VOLUME con-

trol. Shelving BASS & TREBLE and resonant style MIDDLE & BRIL-

LIANCE controls are included for precise tone-shaping. A LOW BAT-

TERY indicator lets you know when it’s time to change the battery.

ISHMAN

REFIX

™P

COUSTIC

UITAR

YSTEM

REAMP

UNCTIONS

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 COM-

PARTMENT. 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.

NOTE: Plug an instrument cable into the endpin jack before you plug

into the sound equipment. Doing so will prevent loudspeaker damage.

BATTERY LOW LED

When plugging into the endpin jack, the LOW BATTERY light will flash

momentarily, indicating that the power is on. When the LOW BATTERY

light stays on, it is time to change the battery.

ISHMAN

REFIX

™P

ONTROLS

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.

MIDDLE & BRILLIANCE CONTROL

These are resonant style boost/cut filters. When boosted, the BRIL-

LIANCE control can add presence to your sound or brighten up dead

strings. When cut, the MIDDLE control “scoops” out harsh midrange fre-

quencies.

PHASE SWITCH

The PHASE switch compensates for acoustic phase differences that

often occur between instrument and speaker. It can be used as a tone

filter at low volume levels or a feedback filter at high levels. The PHASE

switch can correct any electrical phase difference between the PREFIX

PRO system and an outboard instrument microphone. Flip the PHASE

switch several times and use your ear to find the optimum setting. The

best position for the PHASE switch may change, depending on the

sound system and/or venue acoustics.

COUSTIC

UITAR

YSTEM

UGGESTED

EQ S

ETTINGS

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 ampli-

fier or have dead strings on the instru-

ment, you can brighten up your sound

with this setting.

ISHMAN

REFIX

™P

UGGESTED

EQ S

ETTINGS

, C

ONTINUED

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.

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 6.5V)

Notch Filter Range: 40Hz - 500 Hz (-15 dB)

Bass Control Range: ± 12 dB at 60 Hz

± 3 dB at 350 Hz

Treble Control Range: ± 12 dB at 10 kHz

± 3 dB at 2.4 kHz

Mid Control Range: ± 12 dB at 1 kHz

± 3 dB Bandwidth 1.1 kHz

Brilliance Control Range: ± 12 dB at 10 kHz

± 3 dB Bandwidth 7 kHz

All specifications subject to change without notice.

COUSTIC

UITAR

YSTEM

PRO

PREFIX

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. If the unit fails to function properly within

the warranty period, free repair and the option of replacement or refund in the event that

FISHMAN is unable to make repair are FISHMAN’s only obligations. This warranty does not

cover any consequential damages or damage to the unit due to misuse, accident, or neglect.

FISHMAN retains the right to make such determination on the basis of factory inspection.

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.

RETURN POLICY

To return products to FISHMAN TRANSDUCERS, you must follow these steps...

1. Call FISHMAN TRANSDUCERS at 978-988-9199 for a Return Authorization Number

(“RAN”).

2. Enclose a copy of the original Bill of Sale as evidence of the date of purchase, with

the product in its original packaging and a protective carton or mailer.

3. FISHMAN TRANSDUCERS’ technicians will determine whether the item is covered by

warranty or if it instead has been damaged by improper customer installation or other

causes not related to defects in material or workmanship.

4. Warranty repairs or replacements will be sent automatically free of charge.

5. If FISHMAN TRANSDUCERS determines the item is not covered by warranty, we will

notify you of the repair or replacement cost and wait for your authorization to proceed.

FISHMAN TRANSDUCERS

340-D Fordham Road Wilmington MA 01887 USA

Phone 978-988-9199 • Fax 978-988-0770

www.fishman.com

009-089-003 5-99

IMITED

ARRANTY

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