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YAMAHA EMX7-RK



  • 2x 710W [4Ω], 2x 500W [8Ω] (1kHz THD+N less than 10% CEA2006)
  • 2x 600W [4Ω], 2x 400W [8Ω] (1kHz THD+N less than 1% CEA2006)
  • Powerful & High Efficiency Class-D Amplifier
  • 12 Line Inputs (8 mono + 4 stereo)
  • High-Z input (channel 4) to connect guitars or basses directly
  • Flex 9 Graphic Equalizer
  • Onboard Feedback Suppressor
  • Comprehensive, professional 24 different effects
  • Yamaha Speaker presets
  • Metal chassis for extended operation and robustness
  • Large handles for extreme portability and protection
  • Universal power supply eliminates concern on power fluctuations
  • Optional rack-mount kit available

Outline

I/O Inputs TOTAL 12 channels : 8 Mono (MIC/LINE), 4 Stereo (LINE)
Phantom power +48 V
Outputs SPEAKERS [A, B], AUX1 SEND, AUX2 SEND, STEREO OUT [L, R], REC OUT [L, R]
Control and others FOOT SWITCH : Effect Mute on/off
Bus Stereo: 1, AUX: 2 (Including FX)
Input Channel Function PAD 30 dB (CH1-4)
Hi-Z Supported (CH4)
HPF 80 Hz, -12 dB/oct. (CH1–3)
COMP 1-knob COMP (CH1–4)
EQ HIGH 10 kHz +15 dB / -15 dB (Shelving)
EQ MID 2.5 kHz +15 dB / -15 dB (Peaking)
EQ LOW 100 Hz +15 dB / -15 dB (Shelving)
On-board processors DSP SPX Algorithm 24 programs, Feedback suppressor, Graphic equalizer, Speaker processor
On-board amplifiers Maximum output power @4ohms 1kHz THD+N less than 10% (CEA2006) : 710 W + 710 W, 1kHz THD+N less than 1% (CEA2006) : 600 W + 600 W
Maximum output power @8ohms 1kHz THD+N less than 10% (CEA2006) : 500 W + 500 W, 1kHz THD+N less than 1% (CEA2006) : 400 W + 400 W
Level Meter 2 × 12 points LED meter (-30, -25, -20, -15, -10, -6, -3, 0, +3, +6, +10, PEAK)

General specifications

Frequency response Input to SPEAKERS : +1 dB/-3 dB (40 Hz to 20 kHz), Input to STEREO OUT, AUX1 SEND, AUX2 SEND : +0.5 dB/-1 dB (20 Hz to 20 kHz) , refer to the nominal output level @ 1 kHz
Total harmonic distortion Input to SPEAKERS: MIC/LINE =LINE (CH1–4): 0.1% @ 10 W (40 Hz to 20 kHz), 0.04% @ 65 W (1 kHz) ; Input to STEREO OUT, AUX1 SEND, AUX2 SEND: MIC/LINE =LINE (CH1–4): 0.02% @ +14 dBu (20 Hz to 20 kHz), 0.007% @ +20 dBu (1 kHz), (THD+N, measured with 22 kHz LPF)
Hum & noise level Equivalent input noise -117 dBu (Noise is measured with A-weighting filter)
Residual output noise Input to SPEAKERS : -70 dBu(40Hz to 20kHz, STEREO MASTER LEVEL: min); Input to STEREO OUT, AUX1 SEND, AUX2 SEND : -82dBu(20Hz to 20kHz, STEREO MASTER LEVEL: min) (Noise is measured with A-weighting filter)
Crosstalk -85 dB (1 kHz, Measured with 1 kHz band pass filter)
Protection circuit Load protection DC-fault
Amplifier protection Over heat protection, Over current protection, Integral power protection
Power supply protection Over heat protection, Over current protection
Power requirements AC 100-240V, 50Hz/60Hz
Power consumption 45 W (Idle) / 250 W (1/8 Power)
Dimensions W 465 mm (18 5/16")
H 308 mm (12 1/8")
D 325 mm (12 13/16")
Net weight 9.5 kg (20.9 lbs)
Accessories Owner’s Manual, Technical Specifications, AC power cord (2.5 m)
Options Foot switch: FC5, Rack-mount brackets: RK-EMX7
Others Operating Temperature : 0 to +40℃

(0 dBu = 0.775 Vrms, Output impedance of signal generator (Rs) = 150 Ω All level controls are at their maximum position if not specified.)

 

Input Characteristics

Input Jack MIC/LINE Hi-Z Actual Load Impedance For Use with Nominal Input Level Connector
Sensitivity *1 Nominal Level (▼ Position) *2 Max. Before Clip
CH 1–4 XLR MIC - 3 kΩ 50–600 Ω Mics -60 dBu (0.775 mV) -43 dBu (5.48 mV) -15 dBu (138 mV) Combo jack *3 (Balanced)
LINE - -30 dBu (24.5 mV) -13 dBu (173 mV) +15 dBu (4.36 V)
Phone MIC - 8 kΩ 600 Ω Lines -50 dBu (2.45 mV) -33 dBu (17.3 mV) -5 dBu (436 mV)
LINE - -20 dBu (77.5 mV) -3 dBu (548 mV) +25 dBu (13.8 V)
CH 4 (Hi-Z) Phone MIC ON 1 MΩ 10 kΩ Lines -50 dBu (2.45 mV) -33 dBu (17.3 mV) -5 dBu (436 mV) Phone jack *4 (Unbalanced)
LINE -20 dBu (77.5 mV) -3 dBu (548 mV) +20 dBu (7.75 V)
CH 5/6, 7/8 XLR - - 3 kΩ 50–600 Ω Mics -60 dBu (0.775 mV) -43 dBu (5.48 mV) -15 dBu (138 mV) XLR-3-31 *5 (Balanced)
Phone 10 kΩ 600 Ω Lines -20 dBu (77.5 mV) -3 dBu (548 mV) +25 dBu (13.8 V) Phone jack *4 (Unbalanced)
CH 9/10, 11/12 XLR - - 3 kΩ 50–600 Ω Mics -60 dBu (0.775 mV) -43 dBu (5.48 mV) -15 dBu (138 mV) XLR-3-31 *5 (Balanced)
Pin 10 kΩ 600 Ω Lines -8 dBu (316 mV) +10 dBu (2.45 V) +25 dBu (13.8 V) RCA pin (Unbalanced)
CH 11/12 Mini jack - - 10 kΩ 600 Ω Lines -8 dBu (316 mV) +10 dBu (2.45 V) +25 dBu (13.8 V) Stereo mini jack *6 (Unbalanced)

(0 dBu = 0.775 Vrms)
*1 Sensitivity is the lowest level that will produce an output of +4 dBu (1.228 V) or the nominal output level when the unit is set to maximum gain. (All level controls are at their maximum position.)
*2 Level controls setting : Channel level controls are at their t position. Master level controls are at their maximum position.
*3 1&Sleeve = GND, 2&Tip = HOT, 3&Ring = COLD
*4 Tip = Signal, Sleeve = GND
*5 1 = GND, 2 = HOT, 3 = COLD
*6 Tip = LEFT, Ring = RIGHT, Sleeve = GND
 

Output Characteristics

Output Jack Actual Source Impedance For Use with Nominal Output level Connector
Nominal Max. Before Clip
STEREO OUT L, R 600 Ω 10 kΩ Lines +4 dBu (1.228 V) +20 dBu (7.75 V) Phone jack *1 (Impedance balanced)
AUX SEND 1, 2 600 Ω 10 kΩ Lines +4 dBu (1.228 V) +20 dBu (7.75 V) Phone jack *1 (Impedance balanced)
REC OUT L, R 600 Ω 10 kΩ Lines -10 dBV (0.308 V) +18 dBV (7.75 V) RCA pin (Unbalanced)

(0 dBu = 0.775 Vrms 0 dBV = 1.00 Vrms)
*1 Tip = HOT, Ring = COLD, Sleeve = GND
 

Speaker Output Characteristics

Output Jack Actual Source Impedance For Use with Nominal Output level Connector
1 kHz THD+N < 1% (CEA2006) 1 kHz THD+N < 10% (CEA2006)
SPEAKERS A, B < 0.1 Ω 4 Ω Speakers 600 W 710 W speakON NL4 *1 Phone jack *2
8 Ω Speakers 400 W 500 W

(0 dBu = 0.775 Vrms)
*1 1+ = Positive, 1- = Negative
*2 Tip = Positive, Sleeve = Negative




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