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18 Specifications
EMX660—Owner’s Manual
Specifications
■ General specifications
• 0 dB=0.775 Vrms
Maximum output power
300 W + 300 W/4Ω @0.5% THD at 1 kHz (POWER AMP OUT 1, 2)
215 W + 215 W/8Ω @0.5% THD at 1 kHz (POWER AMP OUT 1, 2)
600 W/8Ω @0.5% THD at 1 kHz (BRIDGE)
Frequency response
20 Hz~20 kHz +1 dB, –3 dB @1 W output into 8Ω (POWER AMP OUT)
20 Hz~20 kHz +1 dB, –3 dB @+4 dB output into 10 kΩ (MAIN OUT, MONITOR OUT, EFFECT SEND)
Total harmonic distortion
Less than 0.5% @20 Hz~20 kHz, 150 W output into 4Ω (POWER AMP OUT 1, 2)
Less than 0.3% @20 Hz~20 kHz, +14 dB output into 10 kΩ (MAIN OUT, MONITOR OUT, EFFECT OUT)
Hum & noise
(Average, Rs=150Ω)
(with 20 Hz~20 kHz BPF)
–124 dB equivalent input noise, –65 dB residual output noise (POWER AMP 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
Master level control at nominal level and all channel
level controls at minimum.
–69 dB (73 dB S/N)
EFFECT SEND
Master level control at nominal level and 1 channel
level control at nominal level.
Maximum voltage gain
(PAD: OFF)
88 dB CH IN (Lo-Z) to POWER AMP OUT (CH1~4)
66 dB CH IN (Lo-Z) to MAIN OUT, MONITOR OUT (CH1~4)
72 dB CH IN (Lo-Z) to EFFECT OUT (CH1~4)
48 dB CH IN (Lo-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 TAPE 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 INST 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 12 kHz shelving*
MID 2.5 kHz peaking
LOW 80 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 types (VO.ECHO 1, VO.ECHO 2, VO.REV. 1, VO.REV. 2, HALL 1, HALL 2, ROOM, PLATE)
Phantom power
+15 V is supplied to electrically balanced inputs for powering condenser microphones via 2.4 kΩ
current limiting/isolation resisters.
Limiter Comp. : THD≥0.5% (POWER AMP OUT)
LIMIT indicators Turns on. : THD≥0.5% (POWER AMP OUT)
Protection Circuit (Power Amp.) POWER Switch on/off Mute, DC Detection, Temp (Heatsink Temp≥90˚C)
Foot switch (FC-5) DIGITAL EFFECT MUTE : on/off
Power requirement
USA and Canada 120 V AC 60 Hz
Europe 230 V AC 50 Hz
Other 240 V AC 50 Hz
Power consumption 250 W
Dimensions (WxHxD) 497×275×275 mm
Weight 17 kg