MR5

Appendix C: TECHNICAL INFORMATION

MR5 Specifications

Acoustic Performance

Free Field Frequency Response:

60 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: 113 dB SPL @ 1m

Transducers

Low Frequency:

5.25 in/133 mm steel frame

 

cone woofer with rubber surround

High Frequency:

Wave guide loaded 1 in/25 mm silk

 

dome tweeter

Amplifiers

Low Frequency Power:

55 watts, 4 ohm load,

 

85 watts peak

High Frequency Power:

30 watts, 4 ohm load,

 

50 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 55 watts into 4 ohms High Frequency: > 93 dB, 20 Hz to 20 kHz, unweighted, referenced to 30 watts into 4 ohms

Type:

Monolithic IC, Class AB with

 

DMOS power stage

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 MR5 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) corresponds with your local AC mains voltage.

AC Connector:

3-pin IEC 250 VAC, 16 A male

Fuse:

115 VAC: T 1.6AL/250 V

230 VAC: T 800 mAL/250 V

Power Consumption:

75 watts with music, loud mix

10 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:

11.25 in/286 mm

 

11.50 in/292 mm including top of

 

waveguide

Width:

7.75 in/197 mm

Depth:

10.50 in/266 mm

Weight:

14.3 lb/6.5 kg

Electronic Crossover

Crossover Type:

24 dB/octave

Disclaimer

Crossover Frequency:

Sensitivity:

Input Impedance:

11.50"

(292 mm)

4 kHz

+4 dBu at 300 Hz for full output

20kΩ, balanced bridging;

10kΩ unbalanced

7.75" (197 mm)

11.25"

(286 mm)

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.

10.50" (266 mm)

MR5

WEIGHT 14.3 lb (6.5 kg)

12

MR5