Physical:
Enclosure:
45
°
back angles, high density
polystyrene
Attachment Inserts:
4 integrated threaded insert points
Color:
Matte black (MR3STK)
White (MR3SWT)
Grille:
Matching perforated steel grille
Input Connectors:
Spring-loaded terminal
Dimensions HxWxD:
8.27 in x 5.91 in x 5.31 in
(210 mm x 150 mm x 135 mm)
Net Weight:
5.5 lb (2.5 kg)
Options:
MA3-5 (MA3-5W):
Articulated surface mount
Black (White)
MA3-6 (MA3-6W):
U-bracket
Black (White)
MA-7B (MA-7W)
Wall-mount support bracket
Black (White)
MR3STK/MR3SWTK
Specifications
System:
Freq. Range (–10 dB):
140Hz-21kHz
Freq. Response (–3 dB):
180Hz-19kHz
Horz. Coverage Angle (–6 dB):
110
°
, averaged 800Hz-16kHz
Vert. Coverage Angle (–6 dB):
110
°
, averaged 800Hz-16kHz
Directivity Factor Q (DI):
8.5 (9.3), averaged 800Hz-16kHz
System Sensitivity
1
:
89 dB, 1W@1m
Rated Maximum SPL:
108 dB @ 1 m (3.3 ft) peak
Rated Nominal Impedance:
4
Ω
(bypassed)
System Input Power Rating
2
:
35W IEC, 140W Peak
Recommended Amplifier
3
:
250W RMS
Constant Voltage:
25V, 50V, 70V, 100V
Power Taps:
1W, 2.5W, 5W, 10W, 20W
Crossover Frequency:
6.0kHz
Transducers:
Low Frequency:
4.75" (120 mm) carbon fiber woofer
High Frequency:
0.5" (13 mm) titanium metalized
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