Yamaha EMX66M, Руководство по обслуживанию

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3
EMX66M
SPECIFICATIONS
●
General specifications
• 0 dB=0.775 Vrms
Maximum output power
300 W + 300 W/4
Ω
@0.5% THD at 1 kHz (SPEAKERS OUT A, B)
205 W + 205 W/8
Ω
@0.5% THD at 1 kHz (SPEAKERS OUT A, B)
600 W/8
Ω
@0.5% THD at 1 kHz (BRIDGE)
Frequency response
20 Hz–20 kHz +1 dB, –3 dB @1 W output into 8
Ω
(SPEAKERS OUT)
20 Hz–20 kHz +1 dB, –3 dB @+4 dB output into 10 k
Ω
(MAIN OUT, MONITOR OUT, EFFECT SEND)
Total harmonic distortion
Less than 0.5% @20 Hz–20 kHz, 150 W output into 4
Ω
(SPEAKERS OUT A, B)
Less than 0.3% @20 Hz–20 kHz, +14 dB output into 10 k
Ω
(MAIN OUT, MONITOR OUT, EFFECT OUT)
Hum & noise
(Average, Rs=150
Ω
)
(with 20 Hz–20 kHz BPF)
–124 dB equivalent input noise, –65 dB residual output noise (SPEAKERS OUT)
–88 dB residual output noise (MAIN OUT, MONITOR OUT)
–79 dB (83 dB S/N)
MAIN OUT, MONITOR OUT Master level control at nominal level and all channel
level controls at minimum.
–69 dB (73 dB S/N)
MAIN OUT, MONITOR OUT Master level control at nominal level and 1 channel
level control at nominal level.
–75 dB (79 dB S/N)
EFFECT SEND
All channel level controls at minimum.
–69 dB (73 dB S/N)
EFFECT SEND
1 channel level control at nominal level.
Maximum voltage gain
88 dB CH IN (Low-Z) to SPEAKERS OUT (CH1–4)
66 dB CH IN (Low-Z) to MAIN OUT, MONITOR OUT (CH1–4)
72 dB CH IN (Low-Z) to EFFECT OUT (CH1–4)
48 dB CH IN (Low-Z) to REC OUT (CH1–4)
56 dB CH IN (Hi-Z) to MAIN OUT, MONITOR OUT (CH1–4)
26 dB AUX IN to MAIN OUT
24 dB 2TR IN to MAIN OUT
66 dB MIC IN to MAIN OUT, MONITOR OUT (CH5•6)
26 dB LINE IN to MAIN OUT, MONITOR OUT (CH5)
46 dB Super Hi-Z IN to MAIN OUT, MONITOR OUT (CH6)
Crosstalk at 1 kHz 65 dB adjacent input, 65 dB input to output
Input channel equalization
±
15 dB Maximum
HIGH 10 kHz shelving*
MID 2.5 kHz peaking
LOW 100 Hz shelving*
*Turn over/roll-off frequency of shelving: 3 dB below maximum variable level.
Meters 5 POINTS LED METER (–10, –5, 0, +3, +6 dB) (MAIN OUT, MONITOR OUT)
Graphic equalizer 7 bands (125, 250, 500, 1 k, 2 k, 4 k, 8 kHz),
±
12 dB Maximum (MAIN OUT, MONITOR OUT)
Internal digital effect
8 programs (VO.ECHO 1, VO.ECHO 2, VO.REVERB 1, VO.REVERB 2, HALL 1, HALL 2, ROOM,
PLATE)
Phantom power
+15 V is supplied to electrically balanced inputs for powering condenser microphones via 2.4 k
Ω
current limiting/isolation resisters.
Limiter Comp. : THD
≥
0.5% (SPEAKERS OUT)
LIMIT indicators Turns on. : THD
≥
0.5% (SPEAKERS OUT)
Protection Circuit (Power Amp.) POWER Switch on/off Mute, DC Detection, Temp (Heatsink Temp
≥
90˚C)
Foot switch (FC5) DIGITAL EFFECT MUTE : on/off
Optional accessories RK-88, FC5
Power requirement/Power
consumption
USA and Canada 120 V AC 60 Hz/250 W
Europe 230 V AC 50 Hz/300 W
Other 240 V AC 50 Hz/300 W
Dimensions (WxHxD) 482 x 305 x 328 mm
Weight 15 kg
Supplied accessories AC power cord, Owner’s Manual