Yamaha M3000-24 User Manual

Control panel

The M3000 provides four stereo input channels. Ste-
reo sound sources such as sub-mixers, effect proces-
sor, or CD players can be input to the INPUT A jacks 
(XLR connectors) or INPUT B jacks (RCA phono 
connectors) located on the rear panel.

A

GAIN A control

This control adjusts the input sensitivity of the signal 
that is input from the XLR connector INPUT A jack 
(rear panel 4). The level range is +10~ –30 dB. When 
the A/B select switch (3) is in the B position (

), 

this control will have no effect.

B

GAIN B control

This control adjusts the input sensitivity of the signal 
that is input from the RCA phono connector INPUT 
B jack (rear panel 5). The level range is +10~ –20 dB. 
When the A/B select switch (3) is in the A position 
(

), this control will have no effect.

C

A/B select switch

This switch selects the input jacks that the stereo input 
channel will use. When the switch is in the upward 
position (

) the INPUT A jack can be used. When 

the switch is in the downward position (

) the 

INPUT B jacks can be used.

D

EQ controls

This is a four-band equalizer which allows 

±

15 dB of 

boost/cut for each band. The HI-MID and LOW-MID 
bands allow you to switch between two settings of Q 
(steepness). The center frequency, Q values, and gain 
range for each band is as follows.

E

EQ switch

This switches the equalizer on/off. The equalizer is on 
when the switch is pressed down (

).

F

M1–M8 switches

These switch on/off the signal which is sent from the 
stereo input channel to MIX buses 1–8.

A

B

C

E

M

M

M

I

L

M

G

F

D

G

H

J

K

HI

20 kHz

0.667

±

15 dB

HI-MID

3 kHz

1.41/2.88

LO-MID

800 Hz

1.41/2.88

LO

50 Hz

0.667

Note: If these switches are off, no signal will be sent 
to the corresponding MIX bus from this input 
channel, regardless of the switch setting of the vari-
able/fixed select section (page 13).