HD1501

Appendix C: Technical Information

HD1501 Specifications

Acoustic Performance

Frequency Response (–10 dB):

36

Hz – 145 Hz

Frequency Response (–3 dB):

43

Hz – 92 Hz

Max peak SPL (calculated)1:

131 dB

Max peak SPL (measured)2:

126 dB

Transducer

Diameter:

15.0 in / 381 mm

Voice Coil Diameter:

3.0 in / 76 mm

Diaphragm Material:

Paper

Magnet Material:

Ferrite

Power Amplifier

Rated Power:

600 watts rms

 

1200 watts peak

THD:

< 0.03%

Design:

Class D

Cooling:

Active, twin thermally

 

controlled vari-speed

 

fans

Input/Output

Input Type:

Female XLR Balanced

 

differential

 

(stereo left/right)

Input Impedance:

20 k

Full Range Output:

Male XLR Balanced

 

(parallel with input)

High Pass Output:

Male XLR Balanced

Output Impedance:

300

Level Control:

–6 dB to +6 dB

Protection Features

Over-excursion Protection:

45 Hz 24 dB/oct.

 

Butterworth High

 

Pass Filter

Thermal Protection:

Amplifier mute, auto

 

reset, twin thermally

 

controlled vari-speed

 

fans

Driver Protection:

Peak/RMS Limiter

Display LEDs:

Power Light ON, Polarity

 

Invert, Thermal,

 

Sig/Limit, Front Power

 

ON

AC Power Requirements

US:

100-120 VAC, 50-60 Hz,

 

300 watts

Europe:

220-240 VAC, 50-60 Hz,

 

300 watts

AC Connector:

3-pin IEC 250 VAC,

 

15 A male

Construction Features

Basic Design:

Rectangular

Material:

15 mm exterior grade

 

premium birch plywood

Finish:

High durability black

 

paint

Handles:

One on each side

Grille:

Powder-coated

 

galvanized steel

Physical Properties

Height:

20.0 in / 508 mm

Width:

18.25 in / 464 mm

Depth:

25.0 in / 635 mm

Weight:

80.0 lb / 36.3 kg

Mounting Methods

Floor mount only

Electronic Crossover

Crossover Type:

24 dB/oct.

 

Symmetrical

 

Linkwitz-Riley

Crossover Frequency:

100 Hz

1Calculated from peak driver sensitivity and amplifier power, half space.

2Measured with swept sine at 1 W within operating range, scaled for max power, half space.

14

HD1501

WARNING: The cabinet has no rigging points and is not suitable for rigging. NEVER attempt to suspend the HD1501 by its handles.

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 acknowledged.

©2010 LOUD Technologies Inc. All Rights Reserved.