Technics SU-R1 Operating Instructions Manual page 10

Connecting to analogue audio input devices
You can output analogue audio signals from this unit and play back music.
e.g.,
Pre-amplifier with balanced input terminals
XLR cable* (not supplied)
* We recommend using cables with a length of 3 m or less.
Connecting to analogue audio output devices
You can input analogue audio signals to this unit and play back music.
e.g.,
Player, etc.
This unit
10
(10)
Audio cable (not supplied)
(rear)
Pre-amplifier with unbalanced input terminals
Audio cable (not supplied)
This unit
(rear)
Audio cable (not supplied)
Player, etc.