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SPECIFICATIONS
MRX525 - Dual 15¨, two-way, bass-reflex
Frequency Range (-10 dB):
40 Hz - 20 kHz
Frequency Response (±3 dB):
57 Hz - 20 kHz
Coverage Pattern:
70º x 70º nominal
Crossover Mode:
Passive
Crossover Frequency:
1.8 kHz
Power Rating:
800 W / 1600 W / 3200 W, 2 hrs
(Continuous / Program / Peak)
700 W / 1400 W / 2800 W, 100 hrs
Maximum SPL:
129 dB SPL continuous (135 dB SPL peak)
System Sensitivity (1w @ 1m):
100 dB SPL
LF Driver:
2 x JBL 265H 380 mm (15 in) Differential Drive
HF Driver:
1 x JBL 2408H 37.5 mm (1.5 in) annular polymer diaphragm, neodymium compression driver
Nominal Impedance:
4 ohms
Enclosure:
Trapezoidal, 15/18 mm, plywood
Transport:
2 x die-cast handles with backing cup
Finish:
Black DuraFlex™ finish
Grille:
Powder coated, black, 16-gauge perforated steel with acoustically transparent black screen
backing.
Input Connectors:
Neutrik® Speakon® NL-4 (x2)
Dimensions (H x W x D):
1240 mm x 535 mm x 460 mm; (48.75 in x 21.0 in x 18.0 in)
Net Weight:
38.2 kg (84 lb)
1
IEC standard, full bandwidth pink noise with 6 dB crest factor for specified period
Calculated based on power rating and sensitivity
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MRX528S - Dual 18¨ bass-reflex subwoofer
Frequency Range (-10 dB):
35 Hz - 250 Hz
Frequency Response (±3 dB):
40 Hz - 250 Hz
Input Connection Modes:
Internally configurable, +1/-1 or +2/-2
Recommended Crossover Frequencies:
80-120 Hz, 24-48 dB/octave
Power Rating:
1000 W / 2000 W / 4000 W, 2 hrs
(Continuous / Program / Peak)
800 W / 1600 W / 3200 W, 100 hrs
Maximum SPL:
133 dB SPL continuous (139 dB SPL peak)
System Sensitivity (1w @ 1m):
97 dB SPL; 103 dB SPL
LF Driver:
2 x JBL 2044H 457 mm (18 in) woofers
Nominal Impedance:
4 ohms
Enclosure:
Rectangular, 18 mm, birch plywood
Finish:
Black DuraFlex™ finish
Grille:
Powder coated, black, 16 gauge perforated steel with acoustically transparent black screen
backing.
Input Connectors:
Neutrik® Speakon® NL-4 (x2)
Dimensions (H x W x D):
1095 mm x 535 mm x 700 mm (43 in x 21 in x 27.5 in)
Net Weight:
55 kg (121 lb)
1
40 Hz to 400 Hz pink noise with 6 dB crest factor for specified period
Calculated on half space condition
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woofers
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SPECIFICATIONS
MRX518S - 18¨ bass-reflex subwoofer
Frequency Range (-10 dB):
40 Hz - 200 Hz
Frequency Response (±3 dB):
45 Hz - 200 Hz
Input Connection Modes:
Internally configurable, +1/-1, +2/-2
Recommended Crossover Frequencies:
80-120 Hz, 24-48 dB/octave HPF
Power Rating :
500 W / 1000 W / 2000 W, 2 hrs
(Continuous / Program / Peak)
400 W / 800 W / 1600 W, 100 hrs
Maximum SPL:
127 dB SPL continuous (133 dB SPL peak)
System Sensitivity (1w @ 1m):
94 dB SPL, 100 dB SPL
2
LF Driver:
1 x JBL 2044G 457 mm (18 in) woofer
Nominal Impedance:
4 ohms
Mounting:
Top mounted 35 mm socket for optional SS3-BK pole
Enclosure:
Rectangular, 18 mm, plywood
Finish:
Black DuraFlex™ finish
Grille:
Powder coated, black, 16 gauge perforated steel with acoustically transparent black screen backing.
Input Connectors:
Neutrik® Speakon® NL-4 (x2)
Dimensions (H x W x D):
560 mm x 535 mm x 700 mm (22 in x 21 in x 27.5 in)
Net Weight:
32.5 kg (72 lb)
Optional Accessories:
SS3-BK; Satellite speaker pole
40 Hz to 400 Hz pink noise with 6 dB crest factor for specified period
1
2
Calculated on half space condition
Recommended Amplifier Power
Recommended Amplifier
Power
Model
Full-Range / Parallel
MRX512M
800 to 1,600W@8Ω
MRX515
800 to 1,600W@8Ω
MRX525
1,600 to 3,200W@4Ω
MRX518S
1,000 to 2,000W@4Ω
MRX528S
2,000 to 4,000W@4Ω
Infrasonic Filter Settings
It is a good practice to use a High Pass Filter (HPF) to prevent frequencies below the system tuning fre-
quency from reaching the speaker. Inputting these frequencies to the speaker will not result in any appre-
ciable acoustic output but will put needless mechanical stress on the woofer and reduce available amplifier
headroom. A High Pass Filter will protect your MRX500 system from excess infrasonic energy with little, if
any loss of significant program content. Refer to the above chart for infrasonic filter settings.
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Infrasonic Filter
Settings
HPF 24dB/octave
63 Hz
50 Hz
40 Hz
31 Hz
31 Hz
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