SA1521 SPECIFICATIONS

System Specifications

Frequency Range (–10 dB):

49 Hz–20 kHz

Frequency Response (–3 dB):

57 Hz–18 kHz

Horz. Coverage Angle (–6 dB):

75° averaged 1 kHz to 6 kHz

Vert. Coverage Angle (–6 dB):

65° averaged 1 kHz to 6 kHz Sensitivity (1W@1m):

100dB

Maximum SPL Long-term:

130dB @ 1m

Maximum SPL Peak:

133dB @ 1m

Crossover Point:

1300 Hz

Transducers

Low Frequency

 

Diameter:

15 in/381mm

High Frequency

 

Diaphragm Diameter:

1.75 in/44mm

Diaphragm Material:

Titanium

Exit Throat:

1.00 in/28.4mm

Control System Functions

Electronic Crossover Phase Alignment Time Correction Equalization

Electronic System protection Thermal Overload protection

Independent High- and Low-Frequency Driver protection

Indicator LEDs

Power On:

Green LED

Signal Present:

Green LED

Limit:

Yellow LED

Thermal:

Red LED

Safety Features

RMS Limiting:

Monitoring and limiting of continuous

RMS output of amplifiers

Thermal:

Monitoring of thermal condition of power supply and amplifiers. High temperature condition engages input- stage shut down and autoreset function.

Horn

Type:

Constant Directivity

Mouth Size:

10.6˝ x 10.6˝

 

(27 x 27 cm)

Throat Size:

1.0˝ (2.54 cm)

Volume Control

Rotating Knob:

–15 to +5 dB

 

(0 dB detent)

Amplifiers

Low Frequency:

 

Rated Output*:

400 watts RMS

 

continuous

Rated THD:

<0.03%

Design:

Class G, High Efficiency/

 

High Current

*Rated power is continuous RMS wattage into the transducer’s rated impedance using a 100Hz sine wave.

High Frequency:

 

Rated Output*:

100 watts RMS

 

continuous

Rated THD:

<0.03%

Design:

Class AB

*Rated power is into the transducer’s rated impedance using a 1kHz sine wave signal.

Audio Input/Output

Main Input, Loop Out: 50kΩ impedance,

 

balanced

Connector Type:

XLR

Line Input Power

US :

120V, 60 Hz

Recommended Amperage Service:

13 amps

AC Connector:

3 pin IEC- Male

Europe:

230V, 50 Hz

Recommended Amperage Service:

7 amps

AC Connector:

3 pin IEC-Male

Physical

Enclosure:

Trapezoidal, 10° side angles, 18mm multi-layered plywood, top and bottom high-pressure resin injected “caps”

Handles:

One on top, one on bottom cap; one three-piece handle on each side

Color:

Black, PVC coated finish

Grille:

Custom perforated oval steel grille with anti-corrosive treatment

Mounting Methods:

Floor mount only—not suitable for flying Pole-mountable via built-in socket on bottom

Dimensions

Height:

32.0 in/81.3 cm

Front Width:

19.1 in/48.5 cm

Rear Width:

13.9 in/35.3 cm

Depth:

18.1 in/46.0 cm

Net Weight:

101.0 lb/45.8 kg

Disclaimer

Since we are always striving to make our products better by incorporating new and improved materials, components, and manufacturing meth ods, 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.

©2003 LOUD Technologies Inc.

All Rights Reserved.

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