Yamaha 12 Input Powered Digital Stereo Mixer (EMX7)

Analog Input Characteristics

Input Connectors

Channels 1-4: 4x Combo XLR-1/4" / 6.35 mm

Channels 5/6: 1x XLR, 2x 1/4" / 6.35 mm

Channels 7/8: 1x XLR, 2x 1/4" / 6.35 mm

Channels 9/10: 1x XLR, 2x RCA 

Channels 11/12: 1x XLR, 2x RCA, 1x 1/8" / 3.5 mm stereo mini-jack

Load Impedance

Channels 1-4 (XLR Mic/Line): 3 kOhms actual, 50-600 Ohms nominal with mics

Channels 1-4 (1/4" Mic/Line): 8 kOhms, 600 Ohms nominal with lines

Channel 4 (1/4", Hi-Z Engaged): 1 MOhms actual, 10 kOhms lines nominal

Channels 5-12 (XLR): 2 kOhms actual, 50 - 600 Ohms mics nominal

Channels 5-12 (1/4", RCA, 1/8"): 10 kOhms actual, 600 Ohms lines nominal

Input Level

Sensitivity

Channel 1-4 (XLR, Mic): -60 dBu (0.775 mV)

Channel 1-4 (XLR, Line): -30 dBu (24.5 mV)

Channel 1-4 (1/4", Mic): -50 dBu (2.45 mV)

Channel 1-4 (1/4", Line): -20 dBu (77.5 mV)

Channel 4 (Hi-Z Engaged, Mic): -50 dBu (2.45 mV)

Channel 4 (Hi-Z Engaged, Line): -20 dBu (77.5 mV)

Channels 5-12 (XLR): -60 dBu (0.775 mV)

Channels 5-8 (1/4"): -20 dBu (77.5 mV)

Channels 9-12 (RCA, 1/8"): -8 dBu (316 mV)

Nominal

Channel 1-4 (XLR, Mic): -43 dBu (5.48 mV)

Channel 1-4 (XLR, Line): -13 dBu (173 mV)

Channel 1-4 (1/4", Mic): -33 dBu (17.3 mV)

Channel 1-4 (1/4", Line): -3 dBu (548 mV)

Channel 4 (Hi-Z Engaged, Mic): -33 dBu (17.3 mV)

Channel 4 (Hi-Z Engaged, Line): -3 dBu (548 mV)

Channels 5-12 (XLR): -43 dBu (5.48 mV)

Channels 5-12 (1/4", RCA, 1/8"): -3 dBu (548 mV)

Maximum Before Clip

Channel 1-4 (XLR, Mic): -15 dBu (138 mV)

Channel 1-4 (XLR, Line): +15 dBu (4.36 V)

Channel 1-4 (1/4", Mic): -5 dBu (436 mV)

Channel 1-4 (1/4", Line): +25 dBu (13.8 V)

Channel 4 (Hi-Z Engaged, Mic): -5 dBu (436 mV)

Channel 4 (Hi-Z Engaged, Line): +20 dBu (7.75 V)

Channels 5-12 (XLR): -15 dBu (138 mV)

Channels 5-12 (1/4", RCA, 1/8"): +25 dBu (13.8 V)

Analog Output Characteristic

Output Connectors

Stereo Out (L/R): 2x 1/4" / 6.35 mm balanced

Aux Sends (1/2): 2x 1/4" / 6.35 mm balanced

Rec Out (L/R): 2x RCA unbalanced

Impedance

Stereo Out (L/R): 600 Ohms actual, 10 kOhms Lines

Aux Sends (1/2): 600 Ohms actual, 10 kOhms Lines

Rec Out (L/R): 600 Ohms actual, 10 kOhms Lines

Output Level

Stereo Out (L/R): +4 dBu (1.228 V) nominal, +20 dBu (7.75 V) max before clipping

Aux Sends (1/2): +4 dBu (1.228 V) nominal, +20 dBu (7.75 V) max before clipping

Rec Out (L/R): -10 dBV (0.308 V) nominal, +18 dBV (7.75 V) max before clipping

Loudspeaker Outputs

Connectors

Speakers A/B: 2x Neutrik speakON NL4, 1/4" / 6.35 mm

Impedance

Actual Source Impedance: < 0.1 Ohms

For Use with Nominal: 4 Ohm speakers, 8 Ohm speakers

Output Level

4 Ohm Speakers: 600 W (1 Hz THD+N < 1%), 710 W (1 kHz THD+N < 10% [CEA2006])

8 Ohm Speakers: 400 W (1 Hz THD+N < 1%), 500 W (1 kHz THD+N < 10% [CEA2006])

General Specifications

Output Power

1 kHz THD+N < 10% (CEA2006): 710 W + 710 W (4 Ohms), 500 W + 500 W (8 Ohms)

1 kHz THD+N < 1%: 600 W + 600 W (4 Ohms), 400 W + 400 W (8 Ohms)

Frequency Response

Frequency Response Refer to the nominal output level @ 1 kHz

Input to Speakers: +1/-3 dB (40 Hz to 20 kHz)

Input to Stereo Out, Aux 1/2 Send: +0.5/-1.0 dB (20 Hz to 20 kHz)

THD + N

Input to Speakers (Mic/Line): 0.1% @ 10 W (40 Hz to 20 kHz)

Input to Speakers (Line - Channels 1-4) 0.04% @ 65 W (1 kHz)

Input to Stereo Out, Aux 1/2 Send (Mic/Line): 0.02% @ +14 dBu (20 Hz to 20 kHz) 

Input to Stereo Out, Aux 1/2 Send (Line - Channels 1-4): 0.007% @ +20 dBu (1 kHz)

Hum & Noise

EIN: -117 dBu

Residual Output Noise

Input to Speakers: -70 dBu (40 Hz to 20 kHz, Stereo Master Level: min)

Input to Stereo Out, Aux 1/2 Sends: -82 dBu (20 Hz to 20 kHz, Stereo Master Level: min)

Crosstalk

(1 kHz): -85 dB

Input Channels

Mono (Mic/Line): 8

Stereo: (Line): 4

Total: 12

Output Channels

Speakers: A/B

Aux 1 Send

Aux 2 Send

Stereo Out: L/R

Rec Out: L/R

Bus

Stereo: 1

Aux: 2 (including FX)

Pad

Channels 1-4: 30 dB

Hi-Z Input

Channel 4: Supported

HPF

High Pass Filter (Channels 1-3): 80 Hz, -12 dB/octave

EQ Section

High: 10 kHz +15/-15 dB

Mid: 2.5 kHz +15/-15 dB

Low: 100 Hz +15/-15 dB

Compressor

Single knob compressor

Audio Level Meter

2x 12 Points LED Meter: (-30, -25, -20, -15, -10, -6, -3, 0, +3, +6, +10, Peak)

Built-in Effects

SPX Algorithm: 24 programs

Output Channel Function

Graphic EQ

Speaker Processor 

Feedback Suppressor

Phantom Power

+48 V

Footswitch Input

Effect mute on/off

Protection

Load Protection: DC-fault

Amplifier Protection: Overheat protection, overcurrent protection, integral power protection

Power Supply Protection: Overheat protection, overcurrent protection

Power

Power Requirements: 100-240 VAC, 50/60 Hz

Power Consumption: 45 W (Idle) / 250 W (1/8 power)

Operating Temperature

32 to 104°F / 0 to 40°C