MSW-2 Specifications
Acoustical – MSW-2/B-2EX System
Frequency Response
1
35 to 110 Hz +4 dB
Maximum SPL
2
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 21
1
⁄4" W x 24
1
⁄4" H x 20
1
⁄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 Noise
3
-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 1
3
⁄4" H x 7
3
⁄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.
