Fishman Isys III User Guide

Fishman Isys III Preamplifier manual cover

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Fishman Isys III Preamplifier Specification

The Fishman Isys III Preamplifier is designed to enhance the performance of acoustic-electric guitars by providing versatile tonal control and high-quality sound output. This onboard preamp system features a compact and user-friendly interface, making it an ideal choice for musicians seeking reliable sound enhancement without compromising the natural tonal characteristics of their instrument. The Isys III is equipped with a three-band EQ, allowing precise adjustments in the bass, midrange, and treble frequencies to tailor the sound to various musical styles and environments.

Additionally, it includes a phase switch to reduce feedback during live performances, ensuring clarity and definition in amplified settings. The preamplifier also incorporates a built-in chromatic tuner with an easy-to-read LED display, facilitating quick and accurate tuning even in low-light conditions. The Isys III system uses a standard 9V battery, housed in a convenient flip-top compartment for quick replacement, ensuring uninterrupted performance.

Its low power consumption extends battery life, offering reliability during extended play sessions. The preamp is engineered with Fishman's signature sonic transparency, preserving the guitar's inherent acoustic qualities while providing robust amplification. Installation is straightforward and non-intrusive, fitting comfortably into most acoustic-electric guitars. The Fishman Isys III Preamplifier is a blend of intuitive design and advanced audio technology, making it a preferred choice for musicians who demand precision and reliability in their acoustic amplification.

Fishman Isys III Preamplifier F.A.Q.

How do I install the Fishman Isys III Preamplifier in my acoustic guitar?

To install the Fishman Isys III Preamplifier, first ensure your guitar has the proper cutout for the preamp. Follow the manufacturer's installation guide, which typically involves mounting the preamp in the pre-drilled hole, connecting the pickup to the preamp, and securing the battery compartment.

What should I do if the preamp is not turning on?

If the preamp is not turning on, check the battery first to ensure it is charged and properly connected. Inspect the battery contacts for corrosion and clean them if necessary. Also, verify that the battery compartment is securely closed.

How can I reduce unwanted feedback while using the Fishman Isys III?

To reduce feedback, position your guitar away from the amplifier or PA speakers. Use the phase switch on the Isys III preamp to find the setting that minimizes feedback. Reducing the bass EQ and adjusting the volume can also help.

What is the best way to maintain the Fishman Isys III Preamplifier?

Regularly check the battery and replace it as needed. Clean the connectors and control knobs using a dry, soft cloth. Avoid exposing the preamp to moisture and extreme temperatures.

How do I replace the battery in the Fishman Isys III Preamplifier?

Open the battery compartment, typically located near the preamp or on the guitar's side. Remove the old battery and insert a new 9V battery, ensuring proper polarity. Close the compartment securely.

Why is there no sound coming from my guitar when connected to an amplifier?

Check the cable connections between the guitar and the amplifier. Ensure the volume on both the preamp and amplifier are turned up. Also, test the guitar with a different cable to rule out a faulty cable.

Can I use the Fishman Isys III Preamplifier with nylon string guitars?

Yes, the Fishman Isys III can be used with nylon string guitars, provided the guitar has the necessary cutouts and is compatible with the undersaddle pickup. Consult the manufacturer for specific compatibility information.

How do I adjust the EQ settings on the Fishman Isys III Preamplifier?

Use the bass, mid, and treble knobs on the preamp to adjust the EQ settings. Rotate each knob to increase or decrease the desired frequency range, allowing you to shape the guitar's tone to your preference.

What should I do if the sound is distorted when using the preamp?

If the sound is distorted, check the battery level as a weak battery can cause distortion. Lower the volume on the preamp and amplifier and adjust the EQ settings to see if it resolves the issue.

Can I connect the Fishman Isys III directly to a PA system?

Yes, you can connect the Fishman Isys III directly to a PA system using a standard instrument cable. Ensure the PA system's input is compatible with the output level of the preamp.