
Musikhaus Thomann
Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany
Telephone: +49 (0) 9546 9223-0
E-mail: info@thomann.de
Internet: www.thomann.de
02.07.2018, ID: 256806

Table of contents
1 General notes............................................................................................................................................... 4
2 Safety instructions..................................................................................................................................... 6
3 Instructions for use................................................................................................................................... 9
4 Components and functions................................................................................................................ 10
5 Technical specifications....................................................................................................................... 13
6 Protecting the environment.............................................................................................................. 14
Table of contents
Classic Chorus
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1 General notes
This user manual contains important information on safe operation of the device. Read and
follow all safety notes and all instructions. Save this manual for future reference. Make sure
that it is available to all persons using this device. If you sell the device, include the manual for
the next owner.
Our products are subject to a process of continuous development. We therefore reserve the
right to make changes without notice.
This section provides an overview of the symbols and signal words used in this user manual.
Signal word Meaning
DANGER! This combination of symbol and signal word indicates an
immediate dangerous situation that will result in death or
serious injury if it is not avoided.
NOTICE! This combination of symbol and signal word indicates a pos-
sible dangerous situation that can result in material and
environmental damage if it is not avoided.
Symbols and signal words
General notes
effects pedal
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Warning signs Type of danger
Warning – danger zone.
General notes
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2 Safety instructions
This device is intended to be used for sound processing of signals from musical instruments
with electromagnetic pickups. Any other use or use under other operating conditions is considered to be improper and may result in personal injury or property damage. No liability will
be assumed for damages resulting from improper use.
This device may be used only by persons with sufficient physical, sensorial, and intellectual
abilities and having corresponding knowledge and experience. Other persons may use this
device only if they are supervised or instructed by a person who is responsible for their safety.
Intended use
Safety instructions
effects pedal
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DANGER!
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and are not
within reach of babies and young children. Choking hazard!
Ensure that children do not detach any small parts (e.g. knobs or the like) from
the unit. They could swallow the pieces and choke!
Never let children unattended use electrical devices.
NOTICE!
Operating conditions
This device has been designed for indoor use only. To prevent damage, never
expose the device to any liquid or moisture. Avoid direct sunlight, heavy dirt, and
strong vibrations.
Safety
Safety instructions
Classic Chorus
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NOTICE!
Risk of fire due to incorrect polarity
Incorrectly inserted batteries may destroy the device or the batteries.
Ensure that proper polarity is observed when inserting batteries.
NOTICE!
Possible damage by leaking batteries
Leaking batteries can cause permanent damage to the device.
Take batteries out of the device if it is not going to be used for a longer period.
Safety instructions
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3 Instructions for use
Unpack and carefully check that there is no transportation damage before using the unit. Keep
the equipment packaging. To fully protect the device against vibration, dust and moisture
during transportation or storage use the original packaging or your own packaging material
suitable for transport or storage, respectively.
Handle the device with care.
Do not try to disassemble or repair the device yourself in the unlikely event that it does not
work.
Do not use solvents such as alcohol to clean the device.
Instructions for use
Classic Chorus
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4 Components and functions
1 RATE
Turn this control clockwise to increase the speed of the effect.
2 WIDTH
Turn this control clockwise to increase the sound width of the effect.
3 DC 9V
Connection for the external power supply with 9 V DC. When an external power
supply is used, the battery supply is cut off automatically.
4 IN
1/4" standard instrument cable input.
5 TRUE BYPASS
Foot switch for enabling or disabling the pedal function.
Components and functions
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6 This LED lights when the effect pedal is used. When the LED is off or dim while the
effect pedal is used, the battery is exhausted and must be replaced.
7 OUT
Output jack. Using a standard ¼-inch instrument cable you can plug in another
pedal from this jack or plug into your amplifier.
Create all connections while the device is off. Use the shortest possible high-quality cables for
all connections. Take care when running the cables to prevent tripping hazards.
You can either use a 9 V battery or the DC 9 V connection for an external power supply. Before
connecting, check for correct polarity.
When you do not use the pedal unplug the instrument cable from the input jack. Otherwise,
the battery will be discharged.
Power supply
Components and functions
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To insert or change the battery, disconnect a possibly used power adapter from the mains
socket. Turn the pedal over, press lightly on the battery compartment cover and slide it downwards in the direction of the arrow. Remove the back cover. Insert/replace the 9 V DC battery
paying attention to the polarity markings and place the cover again into its original position
until it locks.
Changing the battery
Components and functions
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5 Technical specifications
Input impedance
500 kΩ
Output impedance
10 kΩ
Current draw 14 mA
Operating voltage supply 9 V battery (6F22)
9 V power adaptor, inner contact = negative pole
48 V phantom power
Dimensions (L × W × H) 120 mm × 97 mm × 55 mm
Weight 390 g
Technical specifications
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6 Protecting the environment
For the transport and protective packaging, environmentally friendly materials have been
chosen that can be supplied to normal recycling.
Ensure that plastic bags, packaging, etc. are properly disposed of.
Do not just dispose these materials with your normal household waste, but make sure that
they are fed to a recovery. Please follow the notes and markings on the packaging.
Batteries must not be disposed of as domestic waste or thrown into fire. Dispose of the batteries according to national or local regulations regarding hazardous waste. To protect the
environment, dispose of empty batteries at your retail store or at appropriate collection sites.
Disposal of the packaging material
Disposal of batteries
Protecting the environment
effects pedal
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This product is subject to the European Waste Electrical and Electronic Equipment Directive
(WEEE) in its currently valid version. Do not dispose with your normal household waste.
Dispose this device through an approved waste disposal firm or through your local waste
facility. When discarding the device, comply with the rules and regulations that apply in your
country. If in doubt, consult your local waste disposal facility.
Disposal of your old device
Protecting the environment
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Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de