Mesa/Boogie THROTTLE BOX Owner's Manual page 2

switch adjustment before the unit is used. To do an A/B
BOOST:
Another valuable feature is the selectable
comparison with the bottom removed – play the unit upside
BOOST that allows you to further shape the EQ curve to
down. DO NOT SET THE UNIT ON A METAL (or any)
your needs. With the lower cover removed, this black DIP
SURFACE WITH THE BOTTOM REMOVED!
switch is located at the edge of the battery compartment on
the lowest circuit board's lower right corner (facing the bot-
tom of the unit and the knobs away from you). Its lever is
AC POWER:
flush with the circuit board and a slight cutout on the board
the pedal is the External Power Supply Jack and it accepts
further identifies it. You may pull the Battery out for easier
the male plug from a standard 9-Volt "wall-wart" AC power
access to this switch.
supply. When installing your unit into a pedal board utilizing
a universal power supply (multi-output pedal board power
Remove the four Phillips-head screws on the Bottom Lid to
supplies), connect the external power source here. The
access the switch - just as you would to replace the battery.
internal battery is automatically disconnected by a switch-
Setting the switch to the RIGHT / OUTSIDE (viewed from
ing element in the External DC Receptacle on the pedal.
bottom / knobs away from you) BOOSTS (adds) gain and
However, if you know you will not be using battery power
low end. The unit is shipped from our shop set this way -
for an extended period – for example, if you are mounting
BOOST engaged. Setting the switch to the LEFT removes
the unit to your pedal board permanently - it is wise to re-
the BOOST voice providing a more balanced response.
move the battery to avoid possible damage from long-term
battery corrosion.
Heavy, high gain sounds usually benefit from the BOOST
position engaged. Low to medium gain sounds can work
with both positions, but often benefit from the more tapered
INTERNAL BATTERY:
and balanced low end of the non-BOOST or normal posi-
tion.
9-Volt battery or a standard 9-Volt "wall-wart" power supply.
The unit is shipped from the Factory with a long-life 9-Volt
NOTE: The unit is shipped from the Factory set to the
Battery to facilitate easier trial demonstration in a music
BOOST position. To remove the BOOST and its increased store environment.
low end, remove the Bottom Lid and flip the tiny black DIP
switch on the lower right edge of the circuit board to the NOTE: The internal battery is switched to an "ON" state
LEFT (NORMAL) position. (drawing voltage) by a switching element in the INPUT jack.
Disconnect the cable from the ¼" INPUT jack whenever the
NOTE: REPLACE THE BOTTOM LID after setting the
unit is not in use to prolong battery life.
BOOST switch before using the unit. Some electronic parts
inside are static sensitive and can be damaged from even BATTERY REPLACEMENT:
a small static charge from a carpet or other soft surfaces.
tery for inspection, replacement or removal; make sure
Always replace the bottom lid after battery replacement or
the External Power Jack is disconnected, remove the four
Phillips-head screws from the four corners of the bottom lid
and remove it. Note the orientation/direction of the battery
and terminals and replace it in the same position.
NOTE: Any type of 9-Volt battery will work in this device if
it is fully charged and functional. Carbon Zinc, Alkaline or
even Nickel Cadmium Rechargeable type batteries are all
This standard female DC Receptacle on
acceptable replacements. Some pedal aficionados prefer
the "sweetness" they claim to hear from standard Carbon
Zinc type batteries, but you will have to decide what type
best serves your needs.
SPECIFICATIONS:
• Dimensions (W/D/H): 2.87" x 4.77" x 2.28" (73mm x
122mm x 58mm)
• Weight: 0.865lbs (393g) with battery, 0.765lbs (347g)
without battery
• True Bypass Switching
• Battery Type: 9VDC (one)
This unit can operate on either a
• Power Consumption (Current Draw): 9VDC/25mA
• AC Adapter (Optional): Power Jack 2.1mm x 5.5mm,
9VDC with Negative Center (Regulated Recommend-
ed)
• Input Impedance: 1M Ohm (500k Ohm minimum)
• Output Impedance: 10k Ohm
To access the 9-Volt bat-
SAMPLE SETTINGS:
TIGHT CRUNCH LIQUID SOLO
MODERN DRIVE HEAVY GAIN
SAMPLE SETTINGS:
®
®