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Eastern Acoustic Works One Main Street Whitinsville, MA01588 tel 800 992 5013 / 508 234 6158 fax 508 234 8251 www.eaw.com
EAW products are continually improved. All specifications are therefore subject to change without notice. Part Number: RD0229 (A) SB528zR April 2005
SB528zR Specifications group · S
DESCRIPTION
The SB products are EAW's premium subwoofers designed for
the most demanding professional applications. Abroad range of
capabilities and sizes provide the designer with selections that
can be specifically matched to their application. Top quality
drivers, engineered by EAW, provide the highest output and best
sonic performance possible for a given form factor. All SB
models are direct radiating, with optimally tuned, vented
enclosures. SB subwoofers are the choice where the best sonic
performance, highest reliability, and most robust physical
construction are required.
The SB528zR is a high output, large-format subwoofer system.
This versatile, all-purpose subwoofer is designed for portable
use where the fatter-sounding output of dual 18 inch drivers is
desired. The SB528zR works well with most full-range
loudspeakers in a variety of applications including: band/club
PA, large houses of worship, large auditoriums/theaters, arenas,
concert touring, f/x reinforcement, large dance clubs, and drum-
fill monitoring.
The SB528zR is designed to be used with today's sophisticated
digital signal processing to optimize the LF response. EAW's MX
Series processors are recommended for the required crossover
and equalization.
Six Year Warranty.
DUAL 18 INCH SUBWOOFER
See NOTES TABULAR DATA for details, half space = floor-mounted
CONFIGURATION
Subsystem
Transducer Loading
SUB 2x 18 in cone Vented
Operating Mode
Amplifier Channels External Signal Processing
Single-amp LF1/LF2 DSP w/1-way filter
Dual-amp LF1, LF2 DSP w/1-way filter
PERFORMANCE
1
Operating Range 27 Hz to 147 Hz
Nominal Beamwidth
Horz 360°
Vert 360°
Axial Sensitivity (SPL)
LF1/LF2 (whole space) 97 dB 27 Hz to 147 Hz
(half space) 103 dB 27 Hz to 147 Hz
Input Impedance (ohms)
Nominal Minimum
LF1/LF2 4 3.9 @ 131 Hz
LF1, LF2 8 (each) 7.8 @ 131 Hz (each)
Recommended High Pass Filter
High Pass =>25 Hz, 12 dB/octave Butterworth
Accelerated Life Test
2
System LF1/LF2 75 V 1400 W @ 4 ohm
LF1, LF2 75 V (each) 700 W @ 8 ohm (each)
Transducer (AES) 1000 W (each)
Calculated Axial Output Limit (SPL)
Average Peak
LF1/LF2 (whole space)129 dB 135 dB
(half space) 135 dB 141 dB
ORDERING DATA
Description Part Number
SB528zR Dual 18 inch Subwoofer Black 997152
SB528zR Dual 18 inch Subwoofer White 997152-0000
Optional Accessories
Caster Kit (set of 4 blue swivel casters) 255027
1 To achieve specified performance, the listed external signal processing with EAW-provided settings is required.
2 For recommendations to select power amplifier size refer to : “HOW MUCH AMPLIFIER POWER DO I NEED?” on the EAW web site.