Yamaha MS400 Owner's Manual - Page 5
Specifications, General specifications, Amp.unit, Dimensions, Performance graph, Block Diagram - powered speaker
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Specifications s General specifications Type Bi-Amp 2-way bass reflex powered speaker (Bi-amplifier 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 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) s Amp.unit Maximum Output Power LF: 300 W at 500 Hz, THD=1%, RL=4Ω HF:100 W at 5 kHz, THD=1%, RL=16Ω Crossover frequency 1.6 kHz (30 dB/oct.) Input Sensitivity LINE: +4 dB*, MIC: -50 dB* Input impedance LINE: 30 kΩ, MIC: 5 kΩ Controls LEVEL LINE, MIC, MASTER EQ LOW: 0 (Max.) ~ -10 dB (Min.) at 55 Hz HIGH: ±3 dB (HF) Power switch On/Off 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.) MIC in XLR-3-31 POWER indicator Green LED Power Requirement USA and Canada .......120 V, 60 Hz Europe 230 V, 50 Hz Others 240 V, 50 Hz Power Consumption 120 W Accessories Bracket adapter BAD251 (for BWS251-400, BCS251, and BBS251) * 0 dB=0.775 V • 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 Dimensions Remove the cover when you 241 M8 use optional brackets 203 683 449 379 Unit: mm Performance graph Standard Frequency Response +10 RESPONSE (dB) 0 0 -5 -10 -10 -20 -30 -40 20 100 1k FREQUENCY (Hz) +3 0 -3 10k Block Diagram Mic Input Mic HPF Master LOW CUT LPF P.AMP LF Line Input/Output Line SPEAKER Freq. response compensation LOW EQ HPF P.AMP Phone Jack HF HIGH EQ SPEAKER 5