Austin M5 Manual page 13

1 Input
2 Gain
3 CL / DR
4 Volume
5 Treble
6 Middle
7 Bass
8 CD In
9 Phones Out
10 Power switch
GA-20
Input jack for guitar / bass / keyboard (6.3mm)
Gain (=pre-amplification) knob
Clean / Drive
Volume knob
EQ: Treble
EQ: Mids
EQ: Bass
13