7
Classic Analog Bass Preamp
Classic Analog Bass Preamp Bottom Panel Features
12. 9V BATTERY
The Classic Analog Bass Preamp may
be powered by 9V battery instead
of using a power supply. As seen in
the illustration below, it tucks in nicely
inside a compartment of the circuit
board next to the edge of the pedal.
NOTE: Unplug the input cable when
not in use, as the 9V battery will drain
(and eventually die).
NOTE: When replacing the bottom
of the pedal, line up the rectangular
foam piece over the battery. Turn
the screws clockwise to affix to
the bottom to the pedal.
13. –15 dB PAD JUMPER
Moving the –15 dB pad jumper
reduces the input signal by 15 dB
and compensates for higher output
instruments. This attenuation is suited
for use with basses that have active
electronics or high-output pickups.
There are only two possibilities.
The jumper can be on:
Pins 1-2 [Normal – default] or
Pins 2-3 [15 dB pad]
NORMAL
PIN1>>
–15dB
12
13
Ok, ok...there could be no jumper,
but that just sets the pedal to its
normal/default [pins 1-2] setting
(with about 1/2 dB loss).
Referencing the diagram to the left, slide
the jumper out then back in on the pins
that you want to use for your instrument.
Fingers should work just fine, but it’s ok
to use needle-nose pliers to remove the
jumper, if necessary.
NOTE: When replacing the bottom of
the pedal, line up the rectangular foam
piece over the battery. Turn the screws
clockwise to affix to the bottom to the
pedal.
NOTE: If you are experiencing
excessive distortion – distortion begins
at approximately 0.5 Vrms – then you
might want to utilize the 15 dB pad
by moving the jumper to pins 2-3.
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Audio Specifications
Weight and Dimensions
