Mackie quick start MR3STK/MR3SWTK, Specifications

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: 4Ω (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

1Measured on-axis in the far field with 1 watt (2.00V RMS @

4Ω ) input and referenced to 1 meter distance using the inverse square law. Listed sound pressure represents an average from 300Hz to 3kHz.

2IEC Spectrum, peak for 2 hours with +4.5 dB crest factor.

3Recommended amplifier is a power capability value that should be taken as a guide.

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:

8.27in 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)

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