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POWERED MONITOR SPEAKER SYSTEM
MS150

GENERAL SPECIFICATIONS
 General
Type Bass-reflex powered speaker
Frequency response 50 Hz to 18 kHz (with HIGH and LOW set to center
position)
Maximum SPL 118 dB (1 m) on axis
Dimensions (WxHxD) 373 x 470 x 301 mm (14.7" x 18.5" x 11.9"
Weight 18 kg (48.2 Ibs.)
 Speaker section
Components 30 cm (12 in) cone (JA32520) x 1 — low frequency
Horn (JA08570) x 1 — high frequency
 Amplifier section
Inputs INPUT 1 (XLR-3-31 type, balanced)
–50 dB to –10 dB / 7 kΩ with ATT off
INPUT 2 (Phone jack, unbalanced)
–50 dB to –10 dB / 10 kΩ
INPUT 3 (Phone jack, unbalanced)
–10 dB / 10 kΩ
Output level/ImpedanceLINE OUT (Phone jack, unbalanced)
–10 dB / 600 Ω (BYPASS)
0 dB / 600 Ω (MASTER • EQ ON, MASTER at
MAX, HIGH and LOW set to center position)
Controls INPUT 1: Gain (MIC to LINE)
INPUT 2: Gain (MIC to LINE)
EQ: Low : 8 dB @ 70 Hz, High : 10 dB @ 10 kHz
MASTER volume, INPUT1 ATT. switch (–14 dB),
LINE OUT switch, BYPASS / MASTER • EQ ON,
Power switch with LED indicator
Power requirements US and Canadian models: 120 VAC, 60 Hz
General model: 230 VAC, 50 Hz
British model: 240 VAC, 50 Hz
Power consumption 130 W
Notes : 0 dB = 0.775 V
BWS50-190/-260/-320 Wall Bracket, BWS251-300/-400 Wall Bracket,
BCS251 Ceilling Bracket and BBS251 Baton Bracket are optionally available.

Full-range 2-way speaker system (30 cm bass and
treble horn) with integral 150W amplifier. 2-way EQ
for tailoring of sound, and protection against overload,
short-circuits, etc. 3 input channels - 1 balanced,
2 unbalanced, with variable input levels on 2
channels.

MS150 units can be cascaded with the LINE OUT
terminal, and one MS150 can control the volume and
tone of others in the chain.