Source Audio ZIO Analog Bass Preamp + DI Source Audio ZIO Analog Bass Preamp + DI handleiding
The Bass ZIO is an ultra-low noise all-analog preamp and DI for bass. It uses high voltage internal
rails (+/-12V) for maximum headroom from a 9V supply input. The Bass ZIO features a simple but
flexible set of tone shaping controls and an additional GRIT control for added tonal color. The
Bass ZIO can be used directly with headphones for practice and monitoring or as a direct input
using the balanced XLR output for connection to a mixer or audio interface.
CONTROLS
OUTPUT – Clean signal
gain control from -6dB
to +16dB.
BASS – Bass shelving filter centered
at 100Hz ranges from flat in the min
position to +11dB of gain at the max.
TREBLE – Treble shelving
filter centered at 1kHz
ranging from -6dB at the
min position to +14dB at the
max. Note that “flat” is at
center of the knob range.
GRIT – Enables a mild
distortion to mimic
the transformer-style
breakup from highend bass amps. Note
the gain can be
adjusted for more or
less distortion. The
“up” position is on.
FOCUS – A high pass filter
for reducing the lowest
bass frequencies. Use this
knob in conjunction with
the BASS control to
“focus” the peak of the
bass shelving filter.
SCOOP – This control
provides a special mid cut
to clean up “muddy” midrange frequencies. The cut
profile is based on the
classic ‘Pultec Trick’ from
the Pultec® equalizer. Set
the toggle “up” to enable.
GAIN (side adjustment) – this “trimmer” control can be adjusted with a small screwdriver from
the unit side. We have preset the trimmer for a moderate amount of gain with an average
output passive bass. If you’re using the Bass ZIO with a high output active bass or a lower output
passive bass, you can adjust the gain up or down to taste with this control.
FOOTSWITCH – The
Bass ZIO is not a true
bypass pedal by
design. When bypassed,
the tone controls and
output gain are disabled
but the three outputs:
Main Output,
Headphones, and Direct
Out remain active.
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CONNECTIONS
POWER
DIRECT OUT – Connect the Bass ZIO directly to a
mixer or audio interface using an XLR cable for
recording or live sound applications. This is a
balanced output signal.
MAIN OUTPUT (unbalanced) –
Connect to your amp or pedalboard.
LIFT – If you’re getting “hum” on the
direct output, slide the LIFT switch to the
right to lift the internal ground
connection to the DIRECT OUT XLR jack.
HEADPHONE OUTPUT – The headphone
output features a high dynamic range, low-
noise amplifier that is capable of driving low
impedance studio headphones.
POWER – Power the Bass ZIO using the included 9V supply or a pedalboard power
supply. Note that the supply should be able to source up to 200mA of current. The unit’s
high voltage rails and specialized circuit requires more power than typical analog
pedals. The high-performance headphone amplifier also adds to the power consumption
when in use. Using a higher voltage than 9V is not recommended. Without headphones,
the base current draw is around 140mA.
www.sourceaudio.net
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