Alphard Machete MC-6.2A [3/12] Introduction en

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1 INTRODUCTION EN Thankyou for purchasing this ALPHARD product which committed to the creation of extremely high profile systems with no loss of sound quality To ensure proper use please read through this manual before using this product It is especially important that you read and observe CAUTION S in this manual Please keep the manual in a safe and accessible place for future reference 2 SAFETY INSTRUCTIONS 1 Fasten the audio system properly when installing it in the vehicle If the component is disconnected during driving it may cause serious damage to the passengers ofthecaroranothervehicle 2 Before installing the components if possible store the product in the package passengers of the car to avoid accidental damage 3 Be careful when installing and dismantling the acoustic systems Do not let the tweeter drop to avoid damage of its moving parts 4 When working with tools follow safety rules 5 Before the installation switch off the head unitand all other audio devices to avoid their damage 6 Make sure that the location of the audio system does not hinder the proper operation of mechanical and electrical devices of the vehicle 7 Do not install components in places exposed to water excessive humidity high or low temperature dust or dirt ATTENTION The product may be operated at 5 to 40 C In case of moisture condensation allow the productto dry 8 When drilling or cutting out holes in the body of the car make sure that there are no cables or any other important construction elements under a selected area or inside it 9 When stretching the speaker cables make sure that they are not in contact with sharp edges or moving mechanical devices Makesurethatthey are firmly fixed and protected overthe entire length 10 The diameter of the speaker cables must be selected in accordance with the length and applied power 11 Never stretch the cables outside the carand nearthe moving parts ofthe car This can lead to destruction ofthe insulating layer short circuit and fire 12 To protect the cables use rubber gaskets if the wire passes through a hole in the plate or other similar materials if it lies close to the pa rts exposed to heat 13 Possible commutation versions are presented on the following pages Using the data from the table below check the minimum resistance of youramplifierspecified by the manufacturer CAUTION High sound pressure can damage your health Please use the common sense when controlling volume 3 FILTERING RECOMMENDED AMPLIFIER SETTINGS The correct choice of amplifier settings filtering and enclosure largely influence on the lifespan of your audio system You should select an amplifier with a nominal power not exceeding the nominal power ofthe speakers Proper coordination ofthe head unit HU ofthe amplifier will allow to get a clean undistorted signal applied to the speakers to prevent overheating and voice coil damage The recommended HU volume is not more than 80 input sensitivity of the amplifier is 50 The recommended filter settings The high pass filter H PF a Filter that cuts off all frequencies below the frequency setting of the filter is about 80 Hz 12dB Oct Recommended amplifiers DB 200 4D DB 180 4 MFC 120 2 MFC 90 4 M134 M84 M54 3

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