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4
Guided Tour - Front Panel
1. Input - Connect your bass guitar to this standard 1/4" unbalanced jack. The A Series
Input was is designed to handle low-level signals if your bass has passive electronics (that
is, if it has no battery), or the signals from hotter bass pickups if your bass has active elec-
tronics (that is, if it has a battery).
2. Volume control - This is the overall volume control. For best signal-to-noise ratio, keep
the output of your bass at or near maximum and adjust the A Series Volume to the desired
level.
3. Bass EQ control - This control provides approximately 15 db of cut or boost at 100 Hz,
with a peak (bell) curve. When the knob is at the 12 o’clock (“0”) position, there is no
boost or attenuation (that is, flat response). As it is turned clockwise from the “0” position,
the frequency area is boosted; as it is turned counterclockwise from the “0” position, the
frequency area is attenuated. For more information, see the “Using Equalization” section
on page10 in this manual.
4. Mid EQ control - This control provides approximately 15 db of cut or boost at 830 Hz,
with a peak (bell) curve. When the knob is at the 12 o’clock (“0”) position, there is no
boost or attenuation (that is, flat response). As it is turned clockwise from the “0” position,
the frequency area is boosted; as it is turned counterclockwise from the “0” position, the
frequency area is attenuated. For more information, see the “Using Equalization” section
on page 10 in this manual.
5. Treble EQ control - This peaking control provides approximately 15 db of cut or boost at
5 kHz. When the knob is at the 12 o’clock (“0”) position, there is no boost or attenuation
(that is, flat response). As it is turned clockwise from the “0” position, the frequency area is
boosted; as it is turned counterclockwise from the “0” position, the frequency area is atten-
uated. For more information, see the “Using Equalization” section on page 10 in this man-
ual.
INPUT VOLUME
POWER
PHONESLIMITERBRIGHTTREBLEMIDBASS CD
-12
-9
-6
-3
0
+3
+6
+9
+12
-15 +15
100Hz
-12
-9
-6
-3
0
+3
+6
+9
+12
-15 +15
830Hz
-12
-9
-6
-3
0
+3
+6
+9
+12
-15 +15
5K 8K
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
0
1
2
3
4
5
6
7
8
9
10
A25
1
2
3
4
5
6
78
10
9
11