Klein + Hummel
Installation Manual SMS Series
English
7
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Safety and Warnings
In addition to specific warnings throughout this document, please observe these additional general instructions. The term “loudspeaker”
includes the case when the electronics of an active loudspeaker is installed into a Remote Electronics Kit, or when it is still located in the back of
the cabinet.
This symbol means that a high voltage is to found nearby.
Take appropriate precautions to avoid electric shocks.
This symbol means that hot parts of the product may be found nearby.
Take appropriate precautions to avoid burns.
General
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Keep these instructions in a safe place for future reference.
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Failure to follow the safety and warning instructions contained in this document voids the warranty.
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This product should be used for the intention for which it was designed and as described in this document.
Environment
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Ensure that the room in which you use this product is wired in accordance with the local electrical code and checked by a qualified inspector.
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A correctly earthed mains power connection should always be used.
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If access to the interior electronics is required, disconnect it from the mains power and allow electrical energy storage devices, such as
capacitors and transformers, to discharge.
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Other electronic products may generate sufficient heat to require ventilation.
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Do not block or cover heatsinks, fans, or vents.
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Unless otherwise stated, this product is designed to be used indoors only.
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Do not expose this product to water, any other liquids, moisture, or naked flames.
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Do not install this product into hot, humid, or excessively dusty locations, or into direct sunlight.
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Avoid installing this product into locations where it will experience externally generated vibrations or heat (e.g. radiators).
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If the product is moved from a cold environment into a warm one (such as from a vehicle into a building), it is possible that condensation will
form. Please allow the product sufficient time for acclimatization to room temperature before using.
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Wherever an amplifier is located, a free flow of air should be maintained by leaving a gap of at least 5 cm (2”) around it. A flush mounted
cabinet with the electronics panel still installed should be well-ventilated to avoid heat build-up and possible risk of fire.
Use
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The equipment should be mounted by a suitably qualified professional in accordance with local, national, and international regulations and
standards.
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Falling equipment can damage itself, people, and other objects, so do not place this unit on any unstable platform, cart, trolley, stand, table, or
mounting hardware.
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Do not use accessories and options with this product that are not approved by Klein + Hummel.
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Mounting hardware must be attached to the appropriate hardware and attachment points rated and intended for such use.
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Ensure that the operating voltage of this product matches that of the local mains voltage.
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Use the power cable that came with this product as this has been manufactured to international safety standards. If it has been damaged
obtain a similarly certified and specified mains power cable.
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This product should be unplugged from the mains power and the signal sources if is not to be used for an extended period of time, or during
lightening storms.
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The power switch on this product should be set to off before applying mains power via the mains power cable.
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Some parts of this product, particularly power amplifier components, can become hot to the touch. Do not touch these parts until they have
cooled down.
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Never touch the loudspeaker’s drivers.
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Loudspeakers are often capable of producing a sound pressure level in excess of 85 dB. This may cause permanent hearing damage so user
caution is recommended. Noise exposure is a function of SPL and time, so observe local regulations when listening at high levels for a long
time. Hearing protection may be required.
Servicing
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Repairs, maintenance, or other servicing of this product when its interior compartment is exposed should only be performed by
Klein + Hummel authorized service engineers familiar with the equipment and risks involved in handling electronics.
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Servicing may be required in the event of exposure to unfavorable environmental conditions, such as liquids, excessive heat, or a lightning
strike.
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Amplifier outputs may carry high voltages so take appropriate precautions, for example, connect the cables before powering up.
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When replacing a fuse, ensure that a brand new fuse is used. It must be exactly the same type, value, and voltage as the original, as stated in
the product’s technical specifications or on the circuit board.
Maintenance and Servicing
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There are no user serviceable parts inside the standard version of this product. Repairs should only be undertaken by Klein + Hummel certified
service engineer.
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Options and accessories are fitted at the user’s own risk.
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Products may be cleaned using a non-abrasive cloth lightly damped with water. Disconnect the mains power cable when cleaning to avoid risk
of electric shock. Do not use alcohol-based cleaners.
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The electronics should only be opened by non-“Klein + Hummel certified service engineer” for the installation of user installable options as
described in the product’s operating manual. The mains power cable should be disconnected whenever the electronics panel is opened.
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If the main fuse blows, the product should be checked by a Klein + Hummel certified service engineer.
Summary of Contents for SMS 52 T
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