Matrix VT Installation Guide (PDF: 178.94 kb) Product: Acoustic Matrix VT Pickup Preamp System (OEM)

Matrix VT Installation Guide (PDF: 178.94 kb) Product: Acoustic Matrix VT Pickup Preamp System (OEM)
ACOUSTIC MATRIX VT
INSTALLATION GUIDE
www.fishman.com
Read Me First!
Installation of this product is a straightforward
procedure, but we recommend this job only if
you are an experienced repair technician.
Requirements
Saddle slot:
Minimum saddle slot length: 2.775” (70.48mm)
Maximum E to E string spacing at saddle: 2.5”
(63.5mm)
Control mounting surface
The control module for this system was designed
to fit in most guitars without modification, but we
cannot guarantee a drop-in fit with all instruments.
Before you begin installation, pre-fit the control
module in the soundhole. Ideally, the controls
should lie flat with the housing flush to the edge
of the soundhole.
Figure 2.
Preliminary
1. Widen the endpin hole to 15⁄32” (11.9mm) to
accommodate the endpin jack.
2. Drill a 3⁄32” hole (2.4mm) in the saddle slot for
the pickup wire, no less than .100” (2.5mm) from
nearest string. Install the pickup per Acoustic Matrix
installation instructions (figures 1, 2).
3. Solder the pickup wire to the preamp per Acoustic
Matrix installation instructions (figure 3).
Figure 3.
Figure 1.
Installation
Seal the mounting surface
To ensure a strong and reliable bond, you must now
sand, clean and seal the underside of the soundhole
where the preamp will mount.
1. Sand the underside of the soundhole down to
bare wood. Take care to remove all residual lacquer,
polish and dirt.
2. Use mineral spirits to clean the sanded area.
Remove any excess oil, resin and dust from the
exposed wood. Let the area dry before proceeding
to the next step.
3. Seal the exposed wood with an appropriate
coating. Use only a coating that will bond the wood
fibers and present a hard, uniform surface for the
adhesive. We recommend any of the following:
• Hide glue
• All purpose two-part epoxy
• Cyanoacrylate glue (higher viscosity,
non-instant type)
Figure 4.
Fasten the control module
Peel back the release film on the bottom of the
mounting bracket and fasten the preamp to the
underside of the soundhole. Apply even, steady
pressure to the preamp to set the adhesive. The
adhesive gains maximum hold after 24 hours.
Let the area dry before proceeding to the next step.
Secure the wires inside the instrument with the
supplied adhesive-backed clips (figure 4). Clean the
area where you will mount the clips with mineral
spirits. Let the area dry before continuing.
Endpin jack
Battery bag
Install the endpin jack per Switchjack Installation
Guide.
Install the battery bag on or near the neck block.
• Carpenter’s glue
Test controls for fit
Before exposing the adhesive, test the control
module for fit. Locate the module flush with the
edge of the soundhole, on the bass side (figure 4).
1. Clean the area where you will mount the bag with
mineral spirits. Let the area dry before continuing.
2. Peel off the plastic film from the Velcro patch and
attach the bag at the chosen location.
3. Carefully separate the bag from the Velcro patch.
To set the adhesive, burnish the entire area of the
patch, especially the edges.
4. Install a 9V alkaline or lithium battery. Tuck the
battery into the bag and re-attach to the Velcro
patch. The adhesive requires 24 hours to achieve a
full bond.
www.fishman.com
514-000-017 Rev A 8-07
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