Specifications

General specifications

0 dB is referenced to 0.775 Vrms.

Total Harmonic Distortion

Less than 0.1% (THD+N)

(Master output)

20 Hz–20 kHz @ +14 dB 600 Ω

 

 

Frequency Response

0+1, –3 dB

(Master Output)

20 Hz–20 kHz @ +4 dB 600 Ω

 

Gain control at minimum level

 

 

Hum & Noise (20 Hz–20 kHz)*1

–128 dB Equivalent Input Noise.

Rs= 150 Ω

–99 dB Residual Output Noise.

(STEREO OUT, MONO/C OUT,

GROUP/AUX OUT, AUX OUT, AUX/GROUP OUT)

Input Gain= Max.

Input Pad= OFF

Input sensitivity= –60 dB

–64 dB(68 dB S/N) STEREO OUT Master Level control and one Ch fader at nominal level.

–80 dB(84 dB S/N) STEREO OUT, MONO/C OUT Master fader at nominal level and all Ch assign SW’s off and all GROUP to ST SW’s off.

–81 dB(85 dB S/N) GROUP1/AUX7–GROUP8/AUX14 OUT Master Level control at nominal level and all Ch assign SW’s off.

GROUP/AUX FLIP SW off.

–75 dB(79 dB S/N) AUX1–6, AUX7/GROUP1–AUX14/GROUP8 OUT Master Level control at nominal level and all Ch send controls at minimum. GROUP/AUX FLIP SW off.

–90 dB(94 dB S/N) MATRIX OUT Master level control at nomi- nal level and all Matrix Mix controls at mini- mum level.

Crosstalk

–70 dB @

1 kHz

adjacent inputs.

 

–70 dB @

1 kH

input to output. (CH INPUT)

 

–50 dB @

1 kHz

input to output. (ST CH INPUT)

 

 

 

Maximum Voltage Gain

 

 

GROUP/AUX FLIP SW= off

 

 

 

60 dB

CH INPUT to CH INSERT OUT

 

84 dB

CH INPUT to GROUP1/AUX7–GROUP8/

 

 

AUX14 OUT

 

80 dB

CH INPUT to AUX1, 2 OUT(Pre Fader)

 

90 dB

CH INPUT to AUX3–6, AUX7/GROUP1–

 

 

AUX14/GROUP8 OUT(Post Fader)

 

84 dB

CH INPUT to STEREO OUT(CH to ST)

 

70 dB

CH INPUT to MONITOR OUT(PFL)

 

 

 

CH INPUT PAD SW

26 dB

 

 

 

 

CH INPUT GAIN control

44 dB

variable

 

 

ST CH 1A, 2–4 INPUT GAIN control

 

 

 

40 dB

variable

 

 

ST CH 1B INPUT GAIN control

 

 

 

30 dB

variable

 

 

CH INPUT High Pass Filter

18 dB/octave

 

 

roll-off below 80 Hz at –3 dB point.

 

 

 

CH INPUT Equalization

 

 

+15, –15 dB maximum

 

 

HIGH

10 kHz (shelving)

 

HIGH-MID

400– 8 kHz (peaking)

 

LOW-MID

80–1.6 kHz (peaking)

 

LOW

100 Hz (shelving)

 

 

 

 

ST CH INPUT Equalization

 

 

+15, –15 dB maximum

 

 

 

HIGH

10 kHz (shelving)

 

 

LOW

100 Hz (shelving)

 

 

Phantom Power

+48 VDC is applied to balanced inputs (via

 

 

6.8 kΩ current-limiting/isolation resistors) for

 

 

powering condenser microphones; may be

 

 

turned ON or OFF via rear-panel phantom

 

 

Master switch.

 

 

When Master is ON, individual channels

 

 

may be turned ON or OFF via +48V

 

 

switches (with red LED) on each input chan-

 

 

nel.

 

 

 

 

CH LED Indicators

 

 

 

PEAK

LED(red) built into each CH INPUT turns on

 

 

when pre-Fader level reaches +17 dB.

 

NOM

LED(yellow) built into each CH INPUT turns

 

 

on when pre-Fader level reaches 0 dB.

 

SIGNAL

LED(green) built into each CH INPUT turns

 

 

on when pre-Fader level reaches –13 dB.

 

 

 

ST CH LED Indicators

 

 

 

PEAK

LED(red) built into each ST CH INPUT turns

 

 

on when pre-Fader [L+R] level reaches

 

 

+17 dB.

 

 

NOM

LED(yellow) built into each ST CH INPUT

 

 

turns on when pre-Fader [L+R] level

 

 

reaches 0 dB.

 

SIGNAL

LED(green) built into each ST CH INPUT

 

 

turns on when pre-Fader [L+R] level

 

 

reaches –13 dB.

 

 

Oscillator/Noise

Switchable sine wave @ 100 Hz, 1 kHz or

 

 

10 kHz, or pink noise.

 

 

 

Scene Memory

 

Direct Scene Memory recall switches (1–8)

 

 

Switchable Scene Memory recall (1–128)

 

 

 

VU Meters

 

11 illuminated meters

 

 

(0VU= +4 dB output @ 600Ω load)

 

#1 ; GROUP1/AUX7•AUX1•AUX7/GROUP1•MATRIX1

 

#2 ; GROUP2/AUX8•AUX2•AUX8/GROUP2•MATRIX2

 

#3 ; GROUP3/AUX9•AUX3•AUX9/GROUP3•MATRIX3

 

#4 ; GROUP4/AUX10•AUX4•AUX10/GROUP4•MATRIX4

 

#5 ; GROUP5/AUX11•AUX5•AUX11/GROUP5•MATRIX5

 

#6 ; GROUP6/AUX12•AUX6•AUX12/GROUP6•MATRIX6

 

#7 ; GROUP7/AUX13•NONE•AUX13/GROUP7•MATRIX7

 

#8 ; GROUP8/AUX14•NONE•AUX14/GROUP8•MATRIX8

 

#9 ; STEREO L•PFL/AFL L

 

#10 ; MONO/C

 

 

#11 ; STEREO R•PFL/AFL R

 

 

VU Meter Peak Indicators

LED(red) built into each VU meter turns on

 

 

when output signal is above the level 3 dB

 

 

lower than clipping level.

 

 

 

 

Dimension

Heigt

265 mm

 

 

Depth

875 mm (except rear connectors)

 

Width

2385 mm(56C), 2142 mm(48C),

 

 

1899 mm(40C), 1642 mm(32),

 

 

1400 mm(24)

 

 

 

Weight

 

102kg(56C), 93kg(48C), 84kg(40C),

 

 

71kg(32), 62kg(24)

*1 Hum & Noise are measured with a 6 dB/octave filter @ 12.7 kHz; equivalent to a 20 kHz filter with infinite dB/octave attenuation.

For European Model

Purchaser/User information specified in EN55103-1 and EN55103-2. Conformed Enviroment: E1, E2, E3 and E4.

40 M2500—Owner’s Manual

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Yamaha Yamaha Mixing Consol, M2500 owner manual Specifications, General specifications