Yamaha ms400 User Manual
5
Specifications
■
General specifications
Type
Bi-Amp 2-way bass reflex powered speaker
(Bi-amplifier electronic crossover network))
(Bi-amplifier electronic crossover network))
Speaker unit
LF : 38 cm cone
HF : 5 cm Titanium diaphragm compression driver
HF : 5 cm Titanium diaphragm compression driver
Frequency Range .................. 50 Hz~16 kHz (–10 dB)
Maximum Output Level.......... 124.5 dB (1m on Axis)
Directional angle.................... 90˚ (H)/40˚ (V)
Dimension (W x H x D) .......... 449 x 683 x 379 mm
Weight ................................... 24.2 kg
Color ...................................... Black (approx. Munsell value:
Maximum Output Level.......... 124.5 dB (1m on Axis)
Directional angle.................... 90˚ (H)/40˚ (V)
Dimension (W x H x D) .......... 449 x 683 x 379 mm
Weight ................................... 24.2 kg
Color ...................................... Black (approx. Munsell value:
5PB 2/1)
Tripod pole diameter .............. 35~36 mm
Accessories.............................. Power cord (AC inlet type, 2.5 m)
Accessories.............................. Power cord (AC inlet type, 2.5 m)
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Amp.unit
Maximum Output Power
LF: 300 W at 500 Hz, THD=1%, RL=4
Ω
HF:100 W at 5 kHz, THD=1%, RL=16
Ω
Crossover frequency ............. 1.6 kHz (30 dB/oct.)
Input Sensitivity ..................... LINE: +4 dB*, MIC: –50 dB*
Input impedance .................... LINE: 30 k
Input Sensitivity ..................... LINE: +4 dB*, MIC: –50 dB*
Input impedance .................... LINE: 30 k
Ω
, MIC: 5 k
Ω
Controls
LEVEL ............... LINE, MIC, MASTER
EQ........................LOW: 0 (Max.) ~ –10 dB (Min.) at 55 Hz
EQ........................LOW: 0 (Max.) ~ –10 dB (Min.) at 55 Hz
HIGH: ±3 dB (HF)
Power switch.......................... On/Off
Connectors (all balanced):
Connectors (all balanced):
LINE in/out........................XLR-3-31, XLR-3-32, phone
(They are all connected in parallel
and can be used as line outputs.)
and can be used as line outputs.)
MIC in............................ XLR-3-31
POWER indicator................... Green LED
Power Requirement
Power Requirement
USA and Canada .......120 V, 60 Hz
Europe........................230 V, 50 Hz
Others ........................240 V, 50 Hz
Europe........................230 V, 50 Hz
Others ........................240 V, 50 Hz
Power Consumption .............. 120 W
Accessories
Accessories
...................................Bracket adapter BAD251 (for
BWS251-400, BCS251, and BBS251)
* 0 dB=0.775 V
• Specifications and appearance are subject to change without
• Specifications and appearance are subject to change without
notice.
For European Model
Purchaser/User Information specified in EN55103-1 and
EN55103-2.
Inrush Current: 25A
Conformed Environment: E1, E2, E3 and E4
Purchaser/User Information specified in EN55103-1 and
EN55103-2.
Inrush Current: 25A
Conformed Environment: E1, E2, E3 and E4
Dimensions
Performance graph
Standard Frequency Response
Block Diagram
Unit: mm
683
379
449
203
241
M8
Remove the cover when you
use optional brackets
use optional brackets
10k
1k
100
20
–30
–20
–10
0
+10
–40
FREQUENCY (Hz)
RESPONSE (dB)
+3
-3
0
0
–5
–10
LOW CUT
P.AMP
P.AMP
Mic Input
Line
Mic
Master
LPF
HPF
Freq. response
compensation
LF
HF
SPEAKER
SPEAKER
Line Input/Output
LOW
EQ
HIGH
EQ
Phone Jack
HPF