Acoustic Control GAMMA BACCHUS User manual

Your GAMMA SERIES Bacchus Dynamic
Driver from Acoustic Control Corporation
is a versatile overdrive with wide-ranging
level and drive controls, plus a Fat switch
for those times when you want a little
more low frequency push. Go from smooth
blues through dynamic crunch to full-bore
distortion, while reflecting all the nuance of
your individual playing style, guitar choice,
and pickup configuration. It’s all built into a
road-ready metal chassis with metal knobs,
operating from either a 9-volt battery, or
9-volt DC power supply.
OWNER’S MANUAL
FEATURES:
• Dynamic overdrive with wide-ranging level and drive controls for great versatility
• Fat switch lets you add additional low frequency heft to your tone when needed
• All metal chassis and knobs and a road-ready design
• Simple operation for easy access to essential sound for electric guitar
• Operates from a 9-volt battery or 9V DC adapter (battery and DC supply not included)
• Mono audio input and output, with buered bypass for consistent tone in any setup
SPECIFICATIONS:
Power Input Compatibility
9V DC (Center Negative)
Power Draw 25mA
Battery Compatibility
9V (Alkaline recommended)
40 Hours Run Time
Input
¼” Instrument Level Input
(650k Ohms Impedance)
Output
¼” Instrument Level Output
(1k Ohms Impedance)
Dimensions
4.59 in (D) x 27.5 in (W)
x 2.19 in (H)
Weight
.55 Lbs (8.8 oz)
CUSTOMER SUPPORT & SERVICE
For product questions or customer service, please visit www.AcousticControlCorp.com,
or call us at [phone], Monday-Friday 8:00 a.m.-5:00 p.m. MST.

1. DC 9V Power Input Jack
You can power your GAMMA Series
pedal from a 9-volt regulated DC
adapter (plug polarity is positive on
the barrel and negative in the center).
2. Battery Capability
Use a Phillips head screwdriver to
remove 4 bottom screws to access
battery connection. High quality
alkaline 9-volt battery can be used for
approximately 40 hours of continual
operation. If pedal won’t operate when
battery is installed, battery may be
discharged, and should be replaced
with a fresh, fully-charged battery. Or
connect a compatible power supply
for non-battery operation.
3. Footswitch
Push down the footswitch to toggle
between on and bypass status.
4. LED
When the LED is lit, the eect is on.
When it’s o, the eect is bypassed.
5. INPUT Jack
¼” mono audio jack, to receive the
signal from your guitar or a previous
pedal. Pedal draws power only when
this jack has a plug inserted.
6. OUTPUT Jack
¼” mono audio jack, outputs the signal.
7. FAT SWITCH
Fat setting adds low frequency energy
which can help thicken your tone for
single note lines.
8. LEVEL Knob
Adjusts output level (volume).
9. DRIVE Knob
Adjusts the amount of distortion.
10. TONE Knob
Adjusts the high frequency response,
from dark to bright. Try the center
(noon) position as a starting point.
1
2
34
7
8
9
10
6 5
Underside of pedal
(Bottom removed for battery access)
21510408 2209
AcousticControlCorp.com