MACKIE MR8 - Manual (Page 12)

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MR8
MR8
Appendix C: TECHNICAL INFORMATION
Equalization
Low Frequency EQ: +2 dB/+4 dB @ 100 Hz, shelving
High Frequency EQ: ±2 dB @ 5 kHz, shelving
AC Power Requirements
US: 120 VAC, 60 Hz
Europe: 240 VAC, 50 Hz
Korea: 220 VAC, 60 Hz
Japan: 100 VAC, 50/60 Hz
Note: The MR8 does not support multiple voltage configura-
tions. Make sure the voltage rating for your particular model
(as indicated on the rear panel near the IEC socket) corre-
sponds with your local AC mains voltage.
AC Connector:
3-pin IEC 250 VAC, 16 A male
Fuse: 115 VAC: T 3.15AL/250V
230 VAC: T 1.6AL/250V
Power Consumption:
100 watts with music, loud mix
20 watts quiescent (idle)
Physical Dimensions and Weight
Enclosure: 0.625 in/16 mm thick MDF with
0.750 in/19 mm MDF front panel
Damping: Adiabatic foam
Dimensions:
Height: 15.75 in/400 mm
16.00 in/406 mm including top of
waveguide
Width: 10.85 in/276 mm
Depth: 13.60 in/346 mm
Weight: 27.6 lb/12.5 kg
Disclaimer
LOUD Technologies is always striving to improve our products
by incorporating new and improved materials, components and
manufacturing methods. Therefore, we reserve the right to
change these specifications at any time without notice.
MR8 Specifications
Acoustic Performance
Free Field Frequency Response:
40 Hz – 20 kHz (±3 dB)
Lower Cutoff Frequency: –3 dB @ 60 Hz
Upper Cutoff Frequency: –3 dB @ 22 kHz
Sound Pressure Level @ 1 meter, +4 dBu into Balanced Input:
100 dB SPL @ 1m
Maximum SPL Per Pair: 116 dB SPL @ 1m
Transducers
Low Frequency: 8 in/203 mm steel frame
cone woofer with rubber surround
High Frequency: Wave guide loaded 1 in/25 mm silk
dome tweeter
Amplifiers
Low Frequency Power: 100 watts, 4 ohm load
200 watts peak
High Frequency Power: 50 watts, 4 ohm load
100 watts peak
Slew Rate: > 15 V/µs
Distortion (THD, SMPTE IMD, DIM 100):
< 0.035%
Signal-to-Noise Ratio:
Low Frequency: > 101 dB, 20 Hz to 20 kHz,
unweighted, referenced to 100 watts into 4 ohms
High Frequency: > 93 dB, 20 Hz to 20 kHz,
unweighted, referenced to 50 watts into 4 ohms
High-Frequency Type: Monolithic IC, Class AB with
DMOS power stage
Low-Frequency Type: Discrete bipolar Class AB
Electronic Crossover
Crossover Type: 24 dB/octave
Crossover Frequency: 3 kHz
Sensitivity: +4 dBu at 300 Hz for full output
Input Impedance: 20 kΩ, balanced bridging;
10 kΩ unbalanced
13.60" (346 mm)
15.75"
(400 mm)
16.00"
(406 mm)
MR8
WEIGHT
27.6 lb
(12.5 kg)
10.85" (276 mm)