Mackie MR3STK Parts list
MR3STK
Monitor Series
Coaxial design, small size and a wealth of mounting
options make the Mackie Industrial MR3STK (black)
and MR3SWTK (white) compact coaxial loudspeakers
ideal for use in business music systems.
The woofer is a high-excursion, carbon ber design.
The dome tweeter uses an efcient Ferrouid® cooled
coil. Together they provide natural, smooth sound
reproduction and high resistance to weather.
Installation of the MR3STK is fast and efcient using
the accompanying MA3-5 (MA3-5W, white) adjustable
mounting bracket. Two M6 and two 3/8" threaded
inserts add to the speaker's exibility. Connections
are made to recessed color-coded, spring-loaded terminals. Wattage taps, voltage adjustments and 4-ohm
operation are selectable by means of two detented
rotary switches. The enclosure is constructed of high
density, scratch resistant polystyrene and includes a
protective perforated steel grille and connection cover.
Available in black (MR3STK) or white (MR3SWTK).
The MR3STK is a part of Mackie Industrial’s Monitor
Series, which includes two-way constant directivity,
compact speakers in easily installed enclosures.
This Mackie Industrial product is covered by an
exclusive, one-time, NO FAULT repair policy in addition
to a ve year limited warranty.
Compact Coaxial Speaker
MR3SWTK
Features
4.75" high-efciency carbon ber woofer
®
Coaxial, Ferrouid
dome tweeter
Built-in, multi-tap constant voltage transformer
Built-in, LICC low inductance passive crossover
Lightweight, UV/weather resistant, high density
polystyrene, trapezoidal shaped enclosure for multiple
applications and minimum visual intrusion
Articulated surface mount hardware
(MA3-5, black, or MA3-5W, white) included
Integrated mounting points for use with optional
mounting hardware
Exclusive Mackie Industrial - one-time, NO FAULT
repair policy
Five year limited warranty
cooled, 0.5" titanium metalized
SPEAKER
MR3STK
Foreground/Background Music
Distributed Speech Reinforcement
AV Production/Playback
Near-eld Monitoring
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MR3STK
SPEAKER
Specications
System
Freq. Range (–10 dB): 140Hz–21kHz
Freq. Response (–3 dB): 180Hz–19kHz
Horz. Coverage Angle (–6 dB): 110° averaged
800Hz to 16kHz
Vert. Coverage Angle (–6 dB): 110° averaged
800Hz to 16kHz
Directivity Factor; Q (DI): 8.5 (9.3) averaged
800Hz to 16kHz
System Sensitivity
MR3STK
Rated Maximum SPL: 108 dB, @ 1m
System Nominal Impedance: 4Ω (bypassed)
System Input Power Rating
Recommended Amplier
Constant Voltage: 25V, 50V, 70V, 100V
Power Taps: 1W, 2.5W, 5W, 10W, 20W
Crossover: 6.0kHz
Transducers
Low-Frequency: 4.75" (120mm) carbon
ber woofer
High-Frequency: 0.5" (13mm) titanium metalized
dome, Ferrouid cooled
1
Compact Coaxial Speaker
: 89 dB, 1W @ 1m
:
2
35W IEC, 140W Peak
:
3
250W
Physical
Enclosure: 45° back angles, high
density polystyrene
Attachment Inserts: 2 points M6 threaded on back
2 points 3/8" threaded on top and bottom
Color: Matte black, white (MR3SWT),
scratch resistant paint
Grille: Matching perforated
steel grille
Input Connectors: Push connector plate
Dimensions (HxWxD): 8.27" x 5.91" x 5.31"
(210mm x 150mm x 135mm)
Net Weight: 5.5 lb. (2.5 kg)
Options
MA 3-6, MA 3-6W U-bracket, black (W-white)
MA-7B, MA-7W Wall-mount support bracket
(B-black, W-white)
1
Measured on axis in the far eld with 1 watt (2.00 V RMS, 4) 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 Amplier is a power capability value that should be taken as a guide.
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