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8
Setting Up and Using Your Hartke
B Series Combo Bass Amplifier
Setting up your Hartke Systems B Series Combo Bass Amplifier is a simple procedure
which takes only a few minutes:
1. Remove all packing materials (save them in case of need for future service) and decide
where the amplifier is to be physically placed. To avoid potential overheating problems,
make sure that the rear panel is unobstructed and that there is good ventilation around the
entire unit.
2. Connect the 3-pin AC plug into any grounded AC socket. Don’t turn the B Series on
just yet, though.
3. Use a standard music instrument cable to connect your
bass to one of the Input jacks on the front panel. If your
bass has passive electronics (that is, if it has no battery),
connect it to Input 1, which is designed to handle low-
voltage signals. If your bass has active electronics (that is,
if it has a battery), connect it to Input 2, which has a 10 dB
pad and is designed to handle hotter bass pickup signals.
4. On the front panel of the B Series, turn the Volume control to its
minimum (fully counterclockwise) position, set all three EQ controls
to their “0” (12 o’clock) position, and, if you are using a B60, B90 or
B120, set the Shape control to its 12 o’clock position.
5. Press the front panel Power switch in order to turn on your
B Series amp; the LED in the switch will light up.
6. Set the output of your bass to maximum and then, while playing,
slowly turn the B Series Volume control up until the desired level is
achieved. It’s nearly impossible to overload the B Series amplifier, so
if you hear distortion even at low Volume settings, check for a faulty
cable (if it’s good, simply back off the output of your bass).
7. If you are using a B60, B90 or B120, turn the Shape knob both
clockwise and counterclockwise to hear the effect of the Shape curve
and filter on the sound of your bass. Leave the Shape knob at the
point where it best complements your particular instrument and
playing style.
8. Adjust the three equalization controls to taste
(when you get a great setting that complements
your instrument and playing style, it’s a good idea
to write it down for future use).
PASSIVE ACTIVE
1 INPUTS 2
1
2
3
4
5
6
7
8
9
0
10
VOLUME
POWER
100
115
145
215
320
450
770
850
900
90
1K
SHAPE
-12
-9
-6
-3
0
+3
+6
+9
+12
-15
+15
-12
-9
-6
-3
0
+3
+6
+9
+12
-15
+15
-12
-9
-6
-3
0
+3
+6
+9
+12
-15
+15
BASS MID HIGH
ENGLISH