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User’s Guide

The Classic 4 system installed on this fine instrument offers the 

quality sound and versatile tone shaping that you expect from 

Fishman. At the heart of the system is our classic equalizer which 

lets you zero in on the four key frequency bands for acoustic guitar. 

The Classic 4 system utilizes the Fishman Sonicore™ coaxial 

under-saddle pickup.

Setup

To Replace the Battery

Pinch the two tabs at the top and bottom of the preamp and pull 

the housing out to reveal the battery compartment. (illustration)

Install a 9-volt alkaline battery in accordance with the polarity 

marks on the case. (illustration)

You can expect 300 hours of continuous use. To conserve the 

battery, unplug the cord at the guitar when you are not using

the system.

Classic 4 User’s Guide 

1

Pull Tabs

Polarity

Marks

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