Controls and Connections 12
User’s Guide

Rear Panel Connections

fMONITOR OUT
connections
Output impedance: 1 k
Nominal output level:
-10 dB (at 10 k load)
These RCA/Phono connectors
are used to plug in a monitor
amplifier or powered
loudspeakers. The same signal
which is output from the
PHONES connector (d) is also
output from these connectors.
AUX RETURN
2
L/MONO
1
L/MONO
STEREO OUT
LR
MONITOR OUT
LR TAPE OUT
312SYNC/4
AUX SEND
12
MIC/LINE INPUT
3124
RR

gf h

ij k

gSTEREO OUT connections
Output impedance: 1 k
Nominal output level: -10 dB (at 10 k load)
These RCA/Phono connectors are used to output the final stereo mixdown to the master recorder —
typically, a stereo tape deck.
hMIC/LINE INPUT connections
Input impedance: 10 k
Nominal input level: -10 dB to -50 dB
These 1/4” phone connectors are used to input microphones, electronic instruments, and line-level
sources.
iAUX RETURN (1, 2) connections
Input impedance: 10 k
Nominal input level: -10 dB (AUX RETURN - LEVEL control nominal)
These 1/4” phone connectors are used to input the signals from external effects devices and other
signal processors. If the external device is monaural, plug it into one of the L/MONO connectors.
jAUX SEND (1, 2) connections
Output impedance: 1 k
Nominal output level: -10 dB (at 10 k load)
These 1/4” phone connectors are used to output signals to external effects devices and other signal
processors.
kTAPE OUT (1 to 4/SYNC) connections
Output impedance: 1 k
Nominal output level: -10 dB (at 10 k load)
These RCA/Phono connectors are used to output the individual tracks directly from the recorder
section of the MT4X.