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 trademarks 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.

Manual Owner’s

HD1521 Block Diagram

 

 

Signal /

 

 

 

HD

 

Digital to

Amp

 

 

 

Limit LED

3-Band Contour EQ

Loudspeaker

Limiter

Analog

HF

 

 

 

Processing

 

Converter

 

 

Input

 

Analog to

LO

MID

HI

 

 

 

 

 

Level

 

 

 

 

 

 

 

 

XLR

Digital

Mute

 

 

 

 

 

 

 

Control

 

 

 

 

 

 

 

 

Converter

80

100-8K

12K

 

 

 

 

 

 

 

 

 

 

 

 

Loop

 

 

 

 

 

HD

 

Digital to

 

 

 

 

 

 

 

Loudspeaker

Limiter

Analog

Amp

LF

Out

 

 

 

 

 

 

 

 

 

 

Processing

 

Converter

 

 

XLR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermal

 

 

 

 

 

 

 

 

 

 

Monitoring

 

 

 

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.

Owner’s Manual

13