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Upright Bass Instructions
STAND
Open the legs wide for stability, and secure in place with thumb screw clamp. Mount the instrument to the
stand using the large (5/16”) thumb screw at the top of the stand. Using the adjustment knobs, it is possible to
adjust the height, angle, and tilt of the instrument.
CONTROLS
Knob 1 – Volume
Knob 2 - Tone clockwise for full treble, counter-clockwise to cut treble.
Switch - Up for Arco Mode (for optimal bowed and percussive plucked sound).
Down for Pizzicato Mode (for optimal plucked, sustained sound).
The Polar™ pickup allows the player to control attack and decay parameters. Pizzicato Mode is for a smooth
attack and long decay, Arco (percussive) Mode is for massive attack and relatively fast decay. Note that the full
bow response can only be achieved in the Arco Mode.
PASSIVE ELECTRONICS
This is a passive system, so it does not require batteries, and therefore has unlimited headroom for dynamic,
distortion-free response. The large piezo crystal sensors are powerful, and provide plenty of level for most
amps. However, the output impedance is high, and may not match well with amps that are designed for
magnetic coil (electric guitar) pickups. Amps with 1 meg ohm or greater input impedance are recommended.
The symptom of poor impedance matching is reduced bass response. In this case a direct box, or external
preamp, may be required for optimal performance.
TRUSS ROD
To play well, the surface of the fingerboard should not be perfectly straight, but rather it should have a slight
downward curve (dip) from end to end. The truss rod which is built into the neck allows adjustment to the
degree of curvature. Use 6 mm inch hex wrench. Access is just below the nut. Clockwise rotation decreases
relief. Counterclockwise rotation increases relief.
STRING HEIGHT
Adjust bridge height with Phillips head screws under the bridge, accessible through the back plate.
STRING REPLACEMENT
The WAV Bass is designed to fit standard NS Electric Double Bass Strings. Replacement NS strings should be
available from your dealer. Conventional acoustic double bass strings can also be used. However, acoustic
strings are much longer, extending far beyond the bridge. To avoid adding this extra length to the body of the
instrument, extra string slots are provided on the back so that the long strings can wrap around the end of the
body.
ATTACHING STANDARD ACOUSTIC DOUBLE BASS STRINGS
To install standard acoustic strings, thread the strings through the holes in the body from the back, then wrap
the strings around the end of the instrument and hook the ball ends into the key holes in the back plate. The
strings are then threaded into the tuners in the normal manner.
www.thinkNS.com Technical Support: https://thinkNS.com/technical-support/
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