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HD1521

O W N E R ’ S M A N U A L

2-Way High-Definition

Powered Loudspeaker

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Summary of Contents for HD1521

Page 1: ...HD1521 OWNER S MANUAL 2 Way High Definition Powered Loudspeaker...

Page 2: ...evice not expressly approved by LOUD Technologies Inc could void the user s authority to operate the equipment under FCC rules 20 This apparatus does not exceed the Class A Class B whichever is applic...

Page 3: ...with all applicable federal state and local regula tions We strongly recommend the following rigging system practices Documentation Thoroughly document the mounting rigging design with detailed drawi...

Page 4: ...Full Range Power Cords Power Cords Powered subwoofer plays the low frequencies Powered subwoofer plays the low frequencies Mixer HD1521 reproduces all frequencies above the subwoofer s crossover point...

Page 5: ...the Contour EQ circuit The LED next to the switch will light to indicate that the EQ is on Use this switch to engage or bypass the EQ or toggle it repeatedly while listening carefully to judge the EQ...

Page 6: ...dspeaker make sure that the voltage of your unit listed above the IEC AC receptacle is the same voltage as your local AC mains supply Use only the power cord supplied Also disconnecting the plug s gro...

Page 7: ...ome typical room problems that might arise Avoid placing loudspeakers in the corners of a room Doing so increases the low frequency output and can cause the sound to be muddy and indistinct Avoid plac...

Page 8: ...ng via its fly points NEVER attempt to suspend the HD1521 by its handles Rigging Design Practices Rigging a loudspeaker requires determining 1 The rigging methods and hardware that meet static shock d...

Page 9: ...ns carrying the heat away In order for this convection cooling to work efficiently it is important to provide adequate airspace behind the loudspeaker When positioning the HD1521 we recommend leaving...

Page 10: ...Tech Support department at 1 800 898 3211 Mon day Friday during normal business hours Pacific Time to explain the problem Tech Support will tell you where the nearest factory authorized service cente...

Page 11: ...akers See page 4 for a visual example of daisy chaining There is a limit to how many you can daisy chain together A general rule is to maintain a load impedance ten times or more than the source imped...

Page 12: ...iver sensitivity and amplifier power Measured with pink noise free field at 1 meter before limiting Power Amplifiers Low Frequency Power Amplifier Rated Power 700 watts rms 1400 watts peak Rated THD 0...

Page 13: ...25 in 463 5 mm Rear Width 11 82 in 300 2 mm Depth 18 81 in 477 8 mm Weight 80 lb 36 kg Mounting Methods Floor mount pole mount or fly via 12 integrated M10 mounting points using M10 x 1 5 x 37 mm for...

Page 14: ...1 100 10 1 1 3 Octave Response dB SPL 2 83 V 20 100 1000 20000 110 100 120 70 80 90 Horizontal Vertical Frequency Hz Directivity Index dB Directivity Factor Q 20 100 1000 20000 20 10 1 Frequency Hz Fr...

Page 15: ...he Warranty Period to the Company at www mackie com support or by calling LOUD technical support at 1 800 898 3211 toll free in the U S and Canada during normal business hours Pacific Time excluding w...

Page 16: ...Road NE Woodinville WA 98072 USA United States and Canada 800 898 3211 Europe Asia Central and South America 425 487 4333 Middle East and Africa 31 20 654 4000 Fax 425 487 4337 www mackie com E mail s...

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