Yamaha MS300 Owner's Manual - Page 6

Specifications s General specifications Type Bi-Amp 2-way bass reflex powered speaker (Bi-amplifier electronic crossover network)) Speaker unit LF : 30 cm cone HF : 5 cm Titanium diaphragm compression driver Frequency Range 50 Hz~16 kHz (-10 dB) Maximum Output Level.......... 121 dB (1m on Axis) Directional angle 90˚ (H)/40˚ (V) Dimension (W x H x D 406 x 637 x 348.5 mm Weight 23.7 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: 225 W at 500 Hz, THD=1%, RL=4Ω HF:85 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 MASTER, MIC, LINE EQ LOW: 0 (Max.) ~ -8 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 100 W Option Bracket 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: 31A Conformed Environment: E1, E2, E3 and E4 637 184 Dimensions 2-M8 depth17 Remove the cover when you use optional brackets 150 RESPONSE (dB) Performance graph Standard Frequency Response +10 0 0 -4 -10 -8 -20 -30 -40 20 100 1k FREQUENCY (Hz) 406 348.5 Block Diagram Unit: mm Mic Input Mic HPF Master LOW CUT LPF P.AMP LF Line Input/Output Line Phone Jack Freq. response compensation LOW EQ HPF SPEAKER HIGH EQ P.AMP HF SPEAKER 6 +3 0 -3 10k