SAMPLE SETTINGS
M288 BASS OCTAVE DELUXE
POWER
The MXR Bass Octave Deluxe
is powered by one 9-volt battery
(remove bottom plate to install),
a 9-volt AC Adapter such as the
Dunlop ECB003/ECB003EU, or
a DC Brick
™
power supply.
DESCRIPTION
•Twoindependent
sub-octave voices
•MID+switchadds
mid range boost
•ConstantHeadroom
Technology™ for exceptional
headroom and tracking
•Organicanalogtone
•Truebypass
PLAYHOUSE
SUB ROCK
SUB SLAP
DUNLOP MANUFACTURING, INC.
P.O. BOX 846 BENICIA, CA 94510 U.S.A.
TEL: 1-707-745-2722 FAX: 1-707-745-2658
CONTROLS
MID+switchaddsupto+14dB
of internally adjustable midrange
(blue LED indicates on)
DRY knob controls volume of
clean bass signal
GROWL knob controls
volume of throaty, midrange
sub-octave voice
GIRTHknobcontrols
volume of deep and smooth
sub-octave voice
5 FOOTSWITCHtoggleseffecton/
bypass (blue LED indicates on)
DIRECTIONS
•Runacablefromyourguitarto
theBassOctaveDeluxe’sINPUT
jack and run another cable
from the Bass Octave Deluxe’s
OUTPUTjacktoyouramplier.
•Startwithallcontrols
at12o’clock.
•Turntheeffectonbydepressing
the footswitch.
•RotateDRYknobclockwiseto
increase level of dry signal or
counterclockwise to decrease it.
•RotatetheGROWLknob
clockwise to increase level of
throaty midrange sub-octave
voice or counterclockwise
to decrease it.
•RotatetheGIRTHknobclockwise
to increase level of smooth,
deep sub-octave voice or
counterclockwise to decrease it.
•DepressMID+switchtoboost
midrange. Frequency and level
are both adjustable via internal
slider(upfor850Hz,downfor
400Hz)andtrimpot(+4dB
whenfullyclockwise,+14dB
fully counterclockwise).
PleaseseediagramA
SPECIFICATIONS
InputImpedance 1MΩ
OutputImpedance <600Ω
NoiseFloor* 85 dB
Octave Bandpass
-3dB,8Hzto46Hz
Control Range
Dry -∞to+2.5dB
Girth -∞to+1dB
Growl -∞to+6dB
MID+Switch**
Gain +4dBto+14dB
Frequency 400Hzor850Hz
Bypass TrueHardwire
CurrentDraw 14mA
PowerSupply 9voltsDC
*All controls mid position, A-weighted, (V
REF
= 1 V
RMS
)
**Internally adjustable
+4dB
+14dB
850Hz
400Hz
DIAGRAM A
INTERIOR VIEW
Factory settings at
+10dB@400Hz