178.788, 178.794, 178.797 User Manual
Thank you for purchasing this QTX SPL amplifier. Please read these instructions prior to use.
Safety Instructions
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Hearing damage: Loudspeakers can generate high sound pressure levels (SPL) sufficient to cause permanent hearing
damage to listeners. Care should be taken to avoid prolonged exposure to SPL in excess of 85 dB.
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Make sure that the amplifier is switched off when the speaker cabinet is connected or disconnected.
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Do not overload the amplifier or speakers to avoid damage to the components.
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Do not plug or unplug the unit with wet hands.
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If the plug and/or the mains lead are damaged, they must be replaced by a qualified technician.
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Connect the unit to an earthed mains outlet (220-240Vac/50Hz) protected by an approved 10-16A fuse.
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If the unit will not be used for a long period of time, unplug from the mains.
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If the unit has not been used for a long period of time, condensation may occur. Allow the unit to reach room temperature
before you switch it on. Do not use the unit in humid rooms or outdoors.
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During operation, the housing may become very hot. Do not touch it during operation or immediately afterwards.
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Do not use cleaning sprays to clean the switches. The residues of these sprays can cause deposits of dust and grease. In
case of malfunction, always seek advice from a specialist.
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Do not force the controls.
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Do not place close to open flames
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Make sure that the amplifier is placed on a stable, solid surface.
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Do not place liquids on the amplifier and protect against humidity.
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If the unit is damaged to an extent that internal parts are visible, DO NOT connect the unit and DO NOT switch it on.
Contact your dealer.
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Never try to repair the unit yourself. There are no user serviceable parts. All repairs must be carried out by a qualified
technician.
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Set the amplifier to the lowest volume prior to switching it on.
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Keep the unit out of the reach of children.
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Switch the unit off prior to unplugging it from the mains and/or other equipment.
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Unplug all leads and cables prior to moving the unit.
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Protect mains lead cannot from damage through people walking on it. Check the mains lead before each use.
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Protect your environment. Recycle all materials whenever possible.
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Do not attempt to make any repairs yourself. This would invalid your warranty. Do not make any changes to the unit. This
would also invalid your warranty. The warranty is not applicable in case of accidents or damages caused by
inappropriate usage or disrespect of the warnings contained in this manual.
QTX Sound cannot be held responsible for personal injuries caused by disrespect of the safety recommendations and
warnings. This is also applicable to all damages.
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Do not attempt to make any repairs yourself. This would invalid your warranty. Do not make any changes to the unit. This
would also invalid your warranty. The warranty is not applicable in case of accidents or damages caused by
inappropriate usage or disrespect of the warnings contained in this manual.QTX Sound cannot be held responsible for
personal injuries caused by disrespect of the safety recommendations and warnings.
