Table of Contents
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1
A c o u s t i c a l
(each loudspeaker)
C o v e r a g e
T r a n s d u c e r s
A u d i o I n p u t
A m p l i f i e r s
A C P o w e r
Max Continuous RMS Current (>10 sec)
P h y s i c a l
N o t e s
Copyright © 2000 Meyer Sound Laboratories, Inc.
All Rights Reserved
MT S-4A SPECIFICATIONS
Operating Frequency Range
Free Field
Half-Space
Phase Response
Maximum Peak SPL
Signal to Noise Ratio
Sub Frequency
Low Frequency
Mid Frequency
High Frequency
Type
Connector
Nominal Input Level
Type
Burst capability
THD, IM, TIM
Connector
Automatic voltage selection
Operational Voltage Range
Burst RMS Current (< 1 s)
Max Peak Current During Burst
Soft Start Turn-on
Dimensions
Weight
Enclosure
Finish
Protective Grill
Rigging
1. Measurements are taken at 4 m on-axis, 1 /3 octave, unless otherwise stated.
2. Response depends on loading conditions and room acoustics.
3. 1m, with pink noise or music, 1/2 space.
4. The unit is rated at 88-125V and 182-235V, 50/60 Hz, to satisfy EC standards
12
2
26 Hz - 18 kHz ± 6 dB
32 Hz - 16 kHz ± 4 dB
30 Hz - 16 kHz ± 4dB
± 70° 90 Hz - 17.2 kHz
3
140 dB
>100 dB (A weighted noisefloor to max SPL)
-6 dB at 70° H x 60° V
18-inch cone driver
15-inch cone driver
12-inch cone driver
2-inch throat (4-inch diaphragm) compression driver
10k impedance, electronically balanced
XLR (A-3) male and female
+4 dBu
Complementary power MOSFET output stages (audio class AB/H)
2480 watts (620 Wrms/channel x 4)
< .02 %
250V NEMA L6-20P (twistlock) inlet or IEC 309 male inlet or
Multipin VEAM option
95-125 VAC and 208-235 VAC; 50 Hz / 60 Hz
Turn on: 85 VAC; Turn off 134 VAC; 50/60 Hz
Turn on: 165 VAC; Turn off 264 VAC; 50/60 Hz
@115 V: 14 A
@230 V: 7 A
@115 V: 26 A
@230 V: 13 A
@115 V: 36 Apk
@230 V: 18 Apk
Inrush current < 12A @ 115V
Height: 56.75" (1441 mm); Width: 21.26" (539 mm);
Depth: 30" (762 mm)
280 lbs (127 kg)
Multi-ply hardwood
Black textured
Perforated metal grill
Aircraft pan fittings (3 on top, 2 on bottom).
Working load for each fitting is 600 lbs, which is 1 ⁄5 the
cabinet breaking strength (with straight tensile pull).
4
@100 V: 16 A
@100 V: 30 A
@100 V: 42 Apk
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