Dear Customer,
Congratulations on your fine new loudspeakers and thank you very much for choosing HECO! You have made an
excellent choice. The high-quality speakers produced by HECO are renowned all over the world.
Please study the instructions and information below carefully before using your new loudspeakers.
The triangle with a lightning symbol warns the user that high voltage is used within the
device which can result in electric shock.
The triangle with an exclamation mark informs the user that important operating and
maintenance instructions (repair) are contained in the accompanying instruction manual,
which must be observed.
any repairs him/herself. Repairs should only be conducted by qualified technicians! Do not use any
sockets or extension cables that do not fully accommodate the plug of the device.
iMPOrtaNt SaFetY NOtice
Please read through the instruction manual carefully before starting to use the device. This manual contains
important information concerning operation and safety aspects. It is imperative you observe all of the
information. Keep the manual in a safe location.
• Never subject the subwoofer to dripping or splashing water. Do not place any flower vases or
other filled recipients on top of the subwoofer.
• The distance between the active subwoofer enclosure and the walls of the room or other objects
(e. g. furniture, shelf units) may not be less than 5 cm on any side.
The aluminium plate and cooling fins of the amplifier at the rear of the active subwoofer serve to
cool the built-in amplifier; for this reason, they must also be at least 5 cm away from all objects
and must not be covered (e.g. by a curtain).
The bass reflex opening(s) on the active subwoofer must not be covered (e. g. by curtains, etc.)
in order to guarantee adequate ventilation of the amplifier.
• The subwoofer should not be positioned near heat sources (heaters, ovens, radiant heaters,
naked flames, etc.).
• Only operate the subwoofer at an ambient/room temperature from 10°C to 40°C. The active
subwoofer may not be used in very humid rooms.
• Please do not place any items with naked flames (e.g. candles) on the active subwoofer.
• Please do not touch or connect the mains cable when your hands are damp.
• Keep the mains cable away from heaters.
• The device should not continue to be operated if there is visible damage to the mains cable. A
damaged cable should not be repaired, but must be replaced.
• Never place heavy items on the mains cable.
• The mains cable should always be freely accessible.
• If the device is not going to be used for a prolonged period (e.g. when on holiday), it should be
disconnected from the mains by removing the plug. The device should also be disconnected
from the mains in the event of a thunderstorm. Doing this will prevent damage caused by
lightning and overvoltage.
Do not open! Risk of electric shock!
CAUTION: In order to avoid electric shock do not open the speaker
housing/mains adapters or remove the covers. The user is not to conduct
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