MX12/6, 20/6 — Owner’s Manual
12 Supplement

■ Input Specifications

Input Gain Input Nominal Input level Connector type
connectors Control impedance impedance Sensitivity *1 Nominal Max. before clipping
MIC INPUT -60 5kΩ50-600Ω mics -80 dB (0.078mV) -60 dB (0.775mV) -40 dB (7.75mV) XLR-3-31 type *2
(1-n *5) -16 -36 dB (12.3mV) -16 dB (123mV) +4 dB (1.23V)
LINE INPUT -34 50kΩ600Ω lines -54 dB (1.55mV) -34 dB (15.5mV) -14 dB (155mV) Phone jack (TRS) *2
(1-n *5) +10 -10 dB (245mV) +10 dB (2.45V) +30 dB (24.5V)
ST INPUT -34 10kΩ600Ω lines -54 dB (1.55mV) -34 dB (15.5mV) -14 dB (155mV) RCA phono jack
(*7) +10 -10 dB (245mV) +10 dB (2.45V) +30 dB (24.5V) Phone jack *3
RETURN (L, R) 10kΩ600Ω lines -12 dB (195mV) +4 dB (1.23V) +20 dB (7.75V) Phone jack *3
TAPE IN (L, R) 10kΩ600Ω lines -26 dBV (50.1mV) -10 dBV (316mV) +10 dBV (3.16V) RCA phono jack
CH INSERT IN 10kΩ600Ω lines -20 dB (77.5mV) 0 dB (0.775V) +20 dB (7.75V) Phone jack (I/O) *4
(1-n *6)
*1 Input sensitivity: the lowest level that will produce the nominal
output level when the unit is set to maximum gain.
*2 XLR type connector, phone jack (TRS) (T=Hot, R=Cold, S=Gnd):
balanced type.
*3 Phone jack: unbalanced type.
*4 Phone jack (I/O) (T=Out, R=In, S=Gnd): unbalanced type.
*5 n=8 (MX12/6), n=16 (MX20/6)
*6 n=4 (MX12/6), n=8 (MX20/6)
*7 9/10, 11/12 (MX12/6), 17/18, 19/20 (MX20/6)
• 0dB=0.775Vrms, 0dBV=1Vrms

■ Output Specifications

Output connectors Output Nominal Output level Connector type
impedance impedance Nominal Max. before clipping
ST OUT (L, R) , MONO OUT 150Ω600Ω lines +4 dB (1.23V) +24 dB (12.3V) XLR-3-32 type *1
GROUP OUT (1-4)
AUX SEND (1, 2) 75Ω600Ω lines +4 dB (1.23V) +20 dB (7.75V) Phone jack (TRS) *2
EFFECT SEND
C-R/PHONES (L, R) 100Ω10kΩ lines +4 dB (1.23V) +20 dB (7.75V) ST phone jack (TRS) *3
40Ω phones 3mW 75mW
REC OUT (L, R) 600Ω10kΩ lines -10 dBV (316mV) +10 dBV (3.16V) RCA phono jack
CH INSERT OUT (1-n *5) 600Ω10kΩ lines 0 dB (0.775V) +20 dB (7.75V) Phone jack (TRS) *4
*1 XLR type connector: balanced type.
*2 Phone jack (TRS) (T=Hot, R=Cold, S=Gnd): impedance balanced
type.
*3 ST phone jack (TRS) (T=L, R=R, S=Gnd): unbalanced type.
*4 Phone jack (I/O) (T=Out, R=In, S=Gnd): unbalanced type.
*5 n=4 (MX12/6), n=8 (MX20/6)
• 0dB=0.775Vrms, 0dBV=1Vrms
Dimensions
35
658
588 35
118
3535
< MX20/6 >< MX12/6 >
46
85 4.6
17.6
438
368
268
384
118
46
Units: mm
Specifications are subject to change without prior notice.