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Matrix Infinity VT Control Module
The Matrix Infinity VT Control Module is mounted underneath the bass side of the soundhole. This module receives the audio signal from the Matrix Infinity VT Preamp Module, shapes the signal, and then sends the modified signal back to the preamp and endpin jack. The Control Module allows the player to manually adjust output volume from zero to maximum, fine-tune EQ, and choose between two preset preamp voicings.
Control Module Mounting Bracket
The Control Module Mounting Bracket is affixed with a suitable adhesive to the soundboard, thus enabling the Control Module to be mounted. It is made of black ABS plastic, and identified by the part number "411-000-118." Before the bracket is glued on, Fishman recommends that the area where the module will be mounted be first sanded with fine grit sandpaper, and then cleaned with alcohol.
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| Control Module Mounting Bracket |
Volume and Tone Controls
The Volume and Tone controls of the Matrix Infinity VT Control Module are mounted on a PCB. These rotary controls are clearly visible when the Control Module is viewed from the front, rear and underside. Viewed from the front, the Volume Control is on the left, and Tone Control on the right. When viewed from the rear, positions are reversed, with the Tone Control now on the left, and Volume Control on the right.
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| Infinity VT Control Module - Front View |
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| Infinity VT Control Module - Rear View |
What the Volume and Tone Controls Do
The Volume Control operates in a simple and intuitive manner. Turned fully anti-clockwise, the output volume is muted, or at zero. Conversely, turning the control clockwise increases the output volume. For the cleanest noise-free sound, Fishman recommends setting the volume as high as possible without causing amplifier or mixer distortion. As for the Tone Control, turning it fully anti-clockwise deactivates it. The signal from the Acoustic Matrix® Pickup is unaffected and neutral, with a "flat" EQ. On the other hand, turning this control clockwise activates the EQ function. Midrange is progressively reduced and the the bass and treble frequencies boosted; resulting in a "scooped" tone.
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| What the Volume and Tone Controls Do |
Control Module Voicing Switch
The Voicing Switch is located on the underside of the control module, and works in tandem with the Tone Control. This switch selects between two preamp voices, "Neutral" and "Bass Boost." Sliding the Voicing Switch to the left yields a neutral response, which "helps control boominess and low frequency feedback onstage." In contrast, sliding the Voicing Switch to the right activates a bass boost, yielding an "extended low end for added punch."
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| Control Module Voicing Switch |
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| Voicing Switch - Neutral/Bass Boost |
Control Module Cable
The Control Module Cable connects the Matrix Infinity VT Control Module to the Matrix Infinity VT Preamp Module, transmitting signals in both directions. This cable is located on the lower right side of the Matrix Infinity VT Control Module, secured in place by a black cable tie. Within the cable are five conductors, including a braided shield/ground insulated with black heat shrink tubing. These conductors are soldered directly to the top of the Control Module PCB, and are arranged, from left to right - white, black, red, yellow, and ground.
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| Control Module Cable - Top View |
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| Control Module Cable - Side View |
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| Close-Up of the Control Module Cable |
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