3. Controls and connections
input
1
IF_AlphaPlus_111217
3.1 Front side
1)
input (inp. 1)
2)
line/mic
3)
gain
4)
input (inp. 2)
5)
high/low
6)
clip
7)
colour
8)
bass
9)
middle
10)
treble
11)
efx level
12)
power
13)
master
12
gain
input
line
mic
2
5
4
3
input 1
signal input, combo-socket for 6,3 mm mono jackplug and
XLR-connectors (48V phantom power)
signal source selector switch: line (only via jackplug)
for instruments (pickup) and other line level sources,
mic (only via XLR-connector) for microphones
input level control
signal input, socket for 6,3 mm mono jackplug
input sensitivity switch, attenuator
overload indicator
tone colour fi lter activation switch
bass frequency level control
middle frequency level control
treble frequency level control
eff ect level control (reverb)
on/off status indicator
master level control
gain
colour
bass
high
clip
low
6
3
7
8
input 2
= not active
middle
treble
efx level
9
10
11
alpha plus
= active
inputs 1 + 2
mains & master
master
power
12
13
efx