MACKIE HD1521 - Manual (Page 13)

Correct disposal of this product. This symbol indicates that this product should not be disposed of with your household waste, according to the WEEE Directive (2002/96/EC) and your national law. This product
should be handed over to an authorized collection site for recycling waste electrical and electronic equipment (EEE). Improper handling of this type of waste could have a possible negative impact on the environment and
human health due to potentially hazardous substances that are generally associated with EEE. At the same time, your cooperation in the correct disposal of this product will contribute to the effective usage of natural
resources. For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority, or your household waste disposal service.
Physical Properties
Height 30.00 in / 762 mm
Front Width 18.25 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 forged shoulder eyebolts). See
page 8 for more information.
Disclaimer
Since we are always striving to make our products better by
incorporating new and improved materials, components, and
manufacturing methods, we reserve the right to change these
specifications at any time without notice.
“Mackie” and the “Running Man” figure are registered trade-
marks of LOUD Technologies Inc.
All other brand names mentioned are trademarks or registered
trademarks of their respective holders, and are hereby acknowl-
edged.
©2009 LOUD Technologies Inc.
All Rights Reserved.
HD151 Block Diagram
Input
XLR
Loop
Out
XLR
HF
LF
Amp
Amp
Digital to
Analog
Converter
Digital to
Analog
Converter
Analog to
Digital
Converter
Signal /
Limit LED HD
Loudspeaker
Processing
Limiter
Limiter
Mute
Level
Control
HD
Loudspeaker
Processing
3-Band Contour EQ
80 100-8K 12K
LO MID HI
Thermal
Monitoring
1
Owner’s Manual
Owner’
s Manual