User Manual
Block and Level Diagrams Dimensions
Manual Development Group
©2015 Yamaha Corporation
Published 01/2022
MW-B0
+30dBu
+20dBu
+10dBu
0dBu
-10dBu
-30dBu
-40dBu
-50dBu
-60dBu
-20dBu
+30dBu
+20dBu
+10dBu
0dBu
-10dBu
-30dBu
-40dBu
-50dBu
-60dBu
-20dBu
MONO INPUT MIC: [-60dBu] @GAIN=max
MONO INPUT LINE: [-34dBu] @GAIN=max MONO INPUT LINE: [-34dBu] @GAIN=max
MONO INPUT LINE: [+12dBu] @GAIN=min
Maximum Input Level: [+22dBu]
Clip Level: [+10dBu]
Maximum Input Level: [-4dBu]
Maximum Input Level: [+2dBu]
Maximum Output Level: [+10dBu]
MONO INPUT MIC: [-14dBu] @GAIN=min
26dB
PHONES Level Control
MONITOR Level Control
MONITOR OUTPUT: [0dBu]
PHONES: [1.5mW] @40Ω
Maximum Output Level: [6mW] @40Ω
HA
STEREO INPUT LINE:
[+2dBu] @GAIN=LOW
Maximum Input Level: [+12dBu]
+48V
[FOOT SW]
Fx On-Off
L
R
LEVEL
Level Control
Clip Level: [+10dBu]
AUX INPUT: [-8dBu]
Maximum Input
Level: [+2dBu]
USB Audio Level Control
Clip Level: [+10dBu]
USB Audio
from PC: [+7dBu]
[MONITOR MUTE]
CH1-2G MUTE
[TO PC]
TOP: DRY CH1-2G
MID: INPUT MIX
BOT: LOOPBACK
L
R
[METER]
PEAK
SIG
REVERB
Maximum Input Level:
[+10dBu] @GAIN=LOW
Hi-Z: [+0dBu]
@GAIN=LOW
Hi-Z: [-20dBu] @GAIN=HIGH
Maximum Input Level:
[-10dBu] @GAIN=HIGH
[LINE]
-8dBu/+2dBu
[GUITAR]
-20dBu/+0dBu
Hi-Z
INPUT 1
[MIC/LINE]
PAD=off: -60 ~ -14dBu
PAD=on: -34 ~ +12dBu
HEADSET
(Mic)
[MIC (Plug in power)]
INPUT 2/3
FOOT SW
[LINE]
-8dBu
AUX INPUT
GUITAR
(L/MONO)
(R)
L / R
GAIN
PAD
PEAK
COMP/EQ
LEVEL
GAIN
GUITAR
LEVEL
EFFECT
MONITOR
PHONES
MONITOR MUTE
METER
USB
L R
MONITOR
OUT (L/R)
PHONES
(L/R)
[MONITOR OUT L/R]
Nominal Output: 0dBu (@10 kΩ)
Maximum Output: +10dBu (@10kΩ)
[PHONES L/R]
Nominal Output: 1.5mW (@40Ω)
Maximum Output: 6.0mW (@40Ω)
USB 2.0
5V DC
HEADSET
(Phones)
TO PC
[USB AUDIO]
from PC
+48V
HIGHLOW
HIGHLOW
HIGHLOW
PUSH
PUSH
HPF/COMP/EQ
HPF/COMP/
EQ/AMP SIM
USB AUDIO
IN OUT
L
R
L
R
POWER
DETECT
POWER
-26dB
-26dB
+60dB
+14dB
-2dB
+10dB
-2dB
+8dB
+20dB
-6dB +6dB
-10dB
+3dB
-16dB
+20dB
-2dB
-12dB
-6dB +6dB
STEREO INPUT LINE:
[-8dBu]@GAIN=HIGH
STEREO INPUT LINE:
[-8dBu] @GAIN=HIGH
OFFON
OFFON
129
28
28
56
202
201
2.3
63
Unit: mm
Jack and Plug List
Jacks and Plugs Polarities
Balanced/
Unbalanced
Congurations
MIC/LINE
Pin 1: Ground
Pin 2: Hot (+)
Pin 3: Cold (-)
Balanced
XLR Jack
INPUT
MIC/LINE*
MONITOR OUT*
Tip: Hot (+)
Ring: Cold (-)
Sleeve: Ground
Balanced
Ring
TipSleeve
TRS Phone Plug
HEADSET MIC
Tip: Signal
Ring: -
Sleeve: Ground
Unbalanced
PHONES
AUX
Tip: L
Ring: R
Sleeve: Ground
-
LINE 2/3
GUITAR
Tip: Signal
Sleeve: Ground
Unbalanced
TipSleeve
TS Phone Plug
* These jacks also can be connected with TS phone plugs. If you use TS phone plugs, the connection will
be unbalanced.