Specifications - Yamaha MS400 Service Manual

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SPECIFICATIONS

General specifications
Type
Bi-Amp 2-way bass reflex powered speaker
(Bi-amp lifier electronic crossover network))
Speaker unit
LF : 38 cm cone
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 ....................
Dimension (W x H x D) .......... 449 x 683 x 379 mm
Weight ................................... 24.2 kg
Color ...................................... Black (approx.Munsell value:
Tripod diameter pole .............. 35~36 mm
Accessories ........................... Power cord (AC inlet type, 2.5 m)
Amp.unit
Maximum Output Power
LF: 300W at 500Hz, THD=1%, RL=4 ohms
HF:100W at 5kHz, THD=1%, RL=16
Cross over frequency ............. 1.6 kHz (30dB/oct.)
Input Sensitivity ...................... LINE: +4dB*, MIC: -50dB*
Input impedance ..................... LINE: 30 kohms, MIC: 5 kohms
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Controls
LEVEL .............. LINE, MIC , MASTER
EQ .................... LOW: 0 (Max.) ~ -10 dB (Min.) at 55 Hz
Power switch ........................ On/Off
Connectors (all balanced):
LINE in/out ................... XLR-3-31, XLR-3-32, phone
MIC in .......................... XLR-3-31
POWER indicator ................ Green LED
Power Requirement
Power Consumption ............. 120 W
Accessor ies ......................... Bracketadapter BAD251 (for
* 0 dB=0.775 V
For European Model
Purchaser/User Information specified in EN55103-1 and
EN55103-2.
Inrush Current: 25A
Conformed Environment: E1, E2, E3 and E4
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HIGH: ±3 dB (HF)
(They are all connected in parallel
and can be used as line outputs.)
USA and Canada ...... 120 V, 60 Hz
Europe ....................... 230 V, 50 Hz
Others ........................ 240 V, 50 Hz
BWS251-400, BCS251, and BBS251)
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