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Physical:
Enclosure:
45
°
back angles, high density
polystyrene
Attachment Inserts:
4 integrated threaded insert points
Color:
Matte black (MR4)
White (MR4W)
Grille:
Matching perforated steel grille
Input Connectors:
Spring-loaded terminal
Dimensions HxWxD:
10.32 in x 7.17in x 6.57 in
(262 mm x 182 mm x 167 mm)
Net Weight:
6.6 lb (3.0 kg)
Options:
MA5-6:
Plate for suspending 4 clustered
speakers, Black
MA5-7:
Speaker tilt bracket for MA5-6, Black
MA5-9 (MA5-9W):
U-bracket, Black (White)
MA-7B (MA-7W):
Wall-mount support bracket,
Black (White)
MR4/MR4W
Specifications
System:
Freq. Range (–10 dB):
75Hz-21kHz
Freq. Response (–3 dB):
160Hz-18kHz
Horz. Coverage Angle (–6 dB):
120
°
, averaged 800Hz-16kHz
Vert. Coverage Angle (–6 dB):
100
°
, averaged 800Hz-16kHz
Directivity Factor Q (DI):
5.6 (7.5), averaged 800Hz-16kHz
System Sensitivity
1
:
88 dB, 1W@1m
Rated Maximum SPL:
109 dB @ 1 m (3.3 ft) peak
Rated Nominal Impedance:
4
Ω
(bypassed)
System Input Power Rating
2
:
60W IEC, 240W Peak
Recommended Amplifier
3
:
250W
Crossover Frequency:
4.0kHz
Transducers:
Low Frequency:
5" (130 mm) carbon fiber woofer
High Frequency:
0.5" (13 mm) mylar dome tweeter,
Ferrofluid
®
cooled
1
Measured on-axis in the far field with 1 watt (2.00V RMS @
4
Ω
) input and referenced to 1 meter distance using the
inverse square law. Listed sound pressure represents an
average from 300Hz to 3kHz.
2
IEC Spectrum, peak for 2 hours with +4.5 dB crest factor.
3
Recommended Amplifier is a power capability value that
should be taken as a guide.
5