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Tech 21 SansAmp BASS DRIVER DI Manual

Tech 21 SansAmp BASS DRIVER DI
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Adjusting Mid-Range Content: The mid-range level of SansAmp Bass
Driver DI is preset. Boosting Bass and Treble gives you the equivalent of a
“mid-cut” where the relative mid-range level is lower than the Bass and Treble
frequency levels. Cutting Bass and Treble is the equivalent of a “mid-boost”
where the relative mid-range level is higher than the Bass and Treble frequency
levels. NOTE: The overall output level will change in relation to the adjust-
ments you make with the EQ controls.You can compensate accordingly with
the Level control.
BLEND allows you to blend the direct instrument signal with SansAmp
Tube Amplifier Emulation circuitry. In most cases, you will probably have this
set at maximum (100% SansAmp). For certain applications, however, such as
an ultra-transparent sound or for use with piezo pickup-equipped instruments,
you may want to blend-in the direct signal to achieve your desired sound.
While the SansAmp Tube Amplifier Emulation circuitry is bypassed when
Blend is at minimum, the Bass, Treble and Level controls remain active.
LEVEL adjusts the output level.
THE INS AND OUTS
IMPORTANT: TURN ON FIRST.TURN OFF LAST.
To avoid unwanted and potentially speaker-damaging “pops” when
connecting or disconnecting any equipment, follow Standard Audio Procedures:
Always mute mixing board and/or turn down amp volume
before plugging or unplugging!
INPUT: 1/4”, 1megOhm, instrument level. Switches battery power on/off.To
avoid battery drain, unplug when unit is not in use. AND...
DON’T FORGET TO MUTE!
PARALLEL OUTPUT: 1/4” unbalanced direct output is “hard-wired”
parallel with input jack. Instrument signal passes through, UNEFFECTED, to the
input of your stage amplification system.
FOOTSWITCH, with corresponding LED indicator: Engages/disen-
gages SansAmp Tube Amplifier Emulation circuitry. Active, LED will be on.
Tonality and gain structure are affected as determined by the setting of the
controls. Delivers effected signal through the XLR Output and 1/4” Output.
Inactive, LED will be off. SansAmp Bass Driver DI functions an an active trans-
parent direct box and does not sonically alter the instrument signal.
BALANCED XLR OUTPUT: Balanced low Z output. Sends effected
or uneffected signal to mixing console/recorder, depending on the orientation
of the Footswitch.
1/4” OUTPUT: Unbalanced low Z output. Sends effected or uneffected
signal to amp rig or power amp, depending on the orientation of the Footswitch.
PHANTOM & GROUND CONNECT SWITCH: When engaged,
the ground connects, and unit will accept phantom power through the XLR
Output. Disengaged, the ground of your stage system and other interconnected
gear is lifted (isolated) from the ground of the mixing console.
PHANTOM POWER OPERABILITY allows you to “tap into” the power
of a suitably equipped mixer, which, today, most are.As the 3-conductor XLR
sends the audio signal to the input of a mixer, the mixer sends voltage back to
the unit via the same 3 wires.This eliminates the need for an external power
supply. Consult the owner’s manual of your mixer for set-up instructions. For
live and studio use, let the engineer know your SansAmp Bass Driver DI is
phantom power operable.
NOTE: When lifting the ground, phantom power disconnects, and battery (if
installed) becomes activated.While operating under phantom power, we rec-
ommend keeping a 9V alkaline battery installed at all times to avoid the previ-
ously mentioned “pops” when lifting the ground (see page 3).
SPEAKER SIMULATION
Speaker simulation is an integral part of the SansAmp Tube Amplifier Emulation
circuitry. It is specifically designed for a smooth, even response as would be
achieved by a multiple-miked cabinet --without peaks, valleys, and notches asso-
ciated with single miking-- and will complement any type of bass
speaker cabinet system.

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Tech 21 SansAmp BASS DRIVER DI Specifications

General IconGeneral
TechnologyAnalog
Inputs1 x 1/4"
Outputs1 x 1/4", 1 x XLR
ControlsLevel, Blend, Treble, Bass, Drive, Presence
Drive ControlYes
Blend ControlYes
Ground LiftYes
EQ3-band (Bass, Mid, Treble)
BypassBuffered Bypass
Power Source9V DC power supply or 9V battery

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