Connection and control elements
(14) Mains connection:
Power line connection
(15) MASTER OUT 1 connection
XLR connection for the downstream amplifier
(16) MASTER OUT 2 connection
RCA connection for the downstream amplifier
(17) BOOTH and REC connections
BOOTH: connection for a second amplifier (e.g. in an adjoining room or for monitor loudspeakers)
REC: connection for a recording device
(18) INPUT CH4 MIC connection
Connection for another microphone which can be played back via channel CH4
(19) INPUT CH3 USB connection
Connection for a recording device with USB output which can be played back via channel CH3.
(20) INPUT CH-1 to CH-4 connections
Connections for LINE or PHONO devices to be played back via channels CH-1 to CH-4
LINE: connection for devices with LINE level
PHONO: record player connection
(21) SIGNAL GND connection
To prevent hum trouble, an earth connection can be established via this screw clamp between the mixer and the earth
line of the record player (usually black cable with clamp-type socket).
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