http://www.meyersound.com/products/legac…sl-3a/index.htm
MSL-3A Reinforcement Loudspeaker
70°H 60°V
21 1/4" wide
56 3/4" tall
30" deep
241 lbs (109.3 kg)
Max SPL (Peak/Cont): 135/130
Freq Range: 75-18 kHz
You can download this product data sheet in Adobe Acrobat format.
Acoustical - MSL-3A/M-3A System
Frequency Response 1 ±4 dB from 75 Hz to 18 kHz
Maximum SPL 2
Continuous 130dB
Peak 135 dB
HF Coverage
Horizontal 70°
Vertical 60°
Acoustical Crossover Frequency 800 Hz
MSL-3A Loudspeaker
Transducers
Low Frequency (2) MS-12 12-inch cone drivers, 8 ohms per driver
High Frequency MS-2001A 2-inch throat (4" diaphragm) driver, 12 ohms
High Frequency Horn 70° modified radial
HF DC Protection 20 µF Polypropylene capacitor
Enclosure Vented, horn loaded, multi-ply Finnish birch
Finish Black textured, charcoal-grey carpet (optional) or black weather protected (optional)
Physical Dimensions 21 1/4" W x 56 3/4" H x 30" D
Weight 241 lbs. (109.3 kg)
Protective Grill Hex perforated metal screen, damped, charcoal-grey foam covering
Connector EP-4 male, EP-5 male (Europe only), Pyle National (optional)
Rigging Aircraft pan fittings, 600 lbs. safe working load each
M-3A Control Electronics Unit
Input Type 3 Balanced ISO-Input™, 10k ohms
Output Type Active, push-pull, 200 ohms output impedance
Maximum Input Level
Balanced +23 dBu
Unbalanced +23 dBu
Maximum Output Level 4
Balanced +26 dBu
Unbalanced +20 dBu
Hum and Noise 5 -90 dBV
Dynamic Range 6 >110 dB
Sense Inputs 10K ohms true differential, opto-isolated
Electrical Crossover Frequency 800 Hz
High Frequency Delay Type Active all-pass
Driver Protection Circuitry
Low Frequency RMS limiter
High Frequency RMS limiter
Indicators
Sense; Hi and Lo Green/Red LEDs
Limit; Hi, Lo and VHF Red LEDs
Safe Green LED
Power Green/Red LEDs
Controls
Front Panel Input attenuator, AC power switch
Preset Panel Lo Cut switch, Safe switch, HF EQ Switch, VHF Var/Cal switch, VHF control
Connectors
Balanced Input/Output 3-pin XLR (A-3) female/male
Sense Inputs Banana jacks
Power 120/240V AC, 50/60 Hz (internally switchable)
Physical Dimensions 19" W x 1 3/4" H x 7 3/4" D, Standard rack mount
Weight 8 lbs. (3.6 kg)