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INSTRUCTION MANUAL
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CANVAS
MONO
You are the artist. Your sound is the paint, and
this is your canvas. After years of creating tonepainting devices, Walrus Audio is releasing The
Canvas Mono Direct Box/Line Isolator. The Canvas
is designed to remove any resistance between
you and your audience by giving a pristine, sonic
foundation upon which to build your single
channel masterpiece. From houses of worship to
the dive bar downtown, Canvas Mono is built to
be the performance palette that goes wherever
you are making your music.
DI (Direct Injection) – Use DI mode when connecting an unbalanced, high impedance source (Electric
Guitar, Bass Guitar, etc). The signal will be reduced by -20dB (-35dB with pad engaged) and converted
to a balanced signal via the transformer connected to the XLR output. Use the gain on your mixer or
preamp to bring the signal up to line level.
LI (Line Isolator) - Use LI mode when connecting your unbalanced, low impedance source (Amp + Cab
Sim like the ACS1, keys, etc.). The signal will remain full volume and be converted to a balanced signal
via the transformer connected to the XLR output. Less preamp gain will be required in LI mode.
Note - When deciding between DI or LI, check with the manufacturer of your gear to find
the output impedance of the device you are wanting to interface. For a general guide:
High Impedance = anything above 1k = Use DI
Low Impedance = less than 1k = Use LI
If you lose high-frequency information when using LI mode, then you should probably be
in DI mode.
PAD – Enables a -15dB input pad (Only in D.I. mode) for reducing hot signals in order to minimize
distortion.
GND LIFT – Isolates the GND pin on XLR to help reduce hum if present. Leave out for normal operation.
SUM – Sum switch turns the Thru channel into a second input when engaged, allowing stereo input
signals to be summed to the XLR output.
THRU - The Thru jack is a pass through that can be plugged into a guitar amp or other source.
WHEN TO USE THE CANVAS
Use Canvas Mono to connect your instrument to a
variety of sources. The following diagrams are a few
examples of use cases.
BASS/MONO GUITAR RIG
BASS OR
GUITAR
CANVASDSP AMP
MONO SYNTH & KEYS
FRONT OF HOUSE
USE THE THRU FOR TWO DIFFERENT OUTPUTS
THRU OUT
AMP
XLR OUT
GUITAR CANVASDSP AMP FRONT OF HOUSE
AT THE STUDIO
ACOUSTIC
CANVAS
DAW
KEYS/SYNTH
CANVAS
FOH OR DAW
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