BX-15 Bass Amplifier
VOLUME LOW LO MID HI MID HIGH
1 2 3 4 5 6 7 8 9 10
MASTER
FRONT PANEL– MASTER SECTION
1: INPUT jack accepts a standard 1/4”
phone plug and is suitable for any low
to line level signal source.
2: VOLUME controls the overall sound
level.
EQUALIZATIONAND OUTPUT:
3: LOW adjusts the bass range in the
amplifier: turning the control to the left
reduces the low frequency output;
turning it to the right increases the low
frequency output. The Low control
allows a total range of 15dB of boost or
cut at 60Hz. You may want to “roll off”
the bass at higher volumes.
4: LOW MID tends to add a “thicker” or
“fatter” characteristic to the sound. The
Low Mid control allows a total range of
18dB of boost or cut at 630Hz.
5: HIGH MID provides clarity and defi-
nition to your string attack. The High
Mid control allows a total range of
19dB of boost or cut at 2kHz.
6: HIGH controls the upper range of
frequencies and adds brightness and
“click.” The High control allows a total
range of 27dB of boost or cut at 10kHz.
7: EXTERNAL SPEAKER jack is for
connecting an extension speaker to
the unit.
8: HEADPHONE / LINE OUT jack will
accept a standard headphone plug for
private practicing. The speaker is auto-
matically disconnected when head-
phones are plugged in here. A line
level signal can also be obtained from
this jack for recording, etc.
9: POWER “ON” INDICATORLED
will be lit when the unit is turned on.
10: POWER switch turns AC power on
or off.
REAR PANEL
11: POWERCORD: This heavy-duty,
grounded, three-wire power cord is to
be plugged into ONLY a safely-wired,
grounded 120 volt, 60 cycle AC power
outlet. DO NOT attempt to defeat the
ground connection of this cable! If your
BX-15 was purchased outside of the
United States, see the unit’s rear panel
for its power rating and follow the
above guidelines.
WARNING: DO NOTattempt to use head-
phones in the Speaker jack! Permanent
hearing damage could result!