MSW-2 Specifications

Acoustical – MSW-2/B-2EX System

Frequency Response1	35 to 110 Hz +4 dB
Maximum SPL2
Continuous	125 dB
Peak	130 dB
Acoustical Crossover Frequency	100 Hz

MSW-2 Loudspeaker
Transducers	(1) MS-18 18-inch cone, 8 ohms nominal impedance
Enclosure	2.3 cu. ft. vented, multi-ply Finnish birch
Finish	Black textured, weather protected (optional)
Protective Grill	Perforated steel screen, charcoal-grey foam covering
Connector	EP-4 male, EP-5 male (Europe only)
Rigging (optional)	Aircraft pan fittings or 3⁄8" - 16 or M-10 nut plates
Physical Dimensions	211⁄4" W x 241⁄4" H x 201⁄4" D with grill frame and foam
Weight	66 lbs. (30 kg)

B-2EX Control Electronics Unit
Input Type	Balanced (active), 47k ohms
Output Type	Active push-pull, will drive 600 ohms
Maximum Input/Output Level
Balanced	+26 dBu
Unbalanced	+20 dBu
Hum and Noise3	-90 dBV
Dynamic Range	>110 dB
Sense Input	10k ohms true differential, opto-isolated
Driver Protection Circuitry	RMS limiter, switchable excursion limiter
Indicators
Limit	Red LED
Excursion	Red LED
Sense	Green LED
Safe	Green LED
Power	Green LED
Controls
Front Panel	Input level control, AC on/off switch
Preset Panel	Safe switch, Crossover Bypass switch
Connectors
Balanced Inputs/Output	3-pin XLR (A-3)
Sense Inputs	Banana jacks
Power	120/240V AC, 50/60 Hz (rear-panel switchable)
Physical Dimensions	19" W x 13⁄4" H x 73⁄4" D
Weight	8 lbs. (3.25 kg)

Note 1:

Measured 1 meter on-axis, half-space conditions, pink noise input, in third- octave bands.

Note 2:

Loudspeaker driven by power amplifier rated at 400 W into 8 ohms, weighted noise signal source.

Note 3:

“A”-weighted, unbalanced.