7.1 A/C Connector with fuse
Connector for A/C cord. The fuse is located in the
small compartment below. A spare fuse is included
in the compartment, toot. The fuse is rated at 5A/slo
for 200-260 volts operation and 8A/slo for 90-130
volts operation.
8.1 Speaker Out connectors
4-pole Speakon jacks for speaker connections.
These jacks are in parallel. Connect one 4 ohms or
one or two 8 ohms cabinets here. At the 2.7 ohms
version you can also connect three 8 ohms cabs or
one 8 ohms cab and one 4 ohms cab. The
maximum power rating is 650 watts into 4 ohms (or
2.7 ohms at the 2.7 ohms version), the minimum
permissible speaker impedance is 4 ohms (or 2.7
ohms at the 2.7 ohms version). Connections are
pins +1 and +2 hot, pins –1 and –2 cold.
8.2 Phones jack
This is a ¼” stereo jack for headphones. The power
will be adjusted by the Volume pot. To switch off
the cabinets disconnect the speaker cables. This is
no
problem for the power amp.
9.1 DI Out XLR connector
This is the output of the integrated DI Box. It is for
balanced connectivity to mixing consoles. The
signal is routed to this output pre-volume control for
independent stage volume adjustment possibilities.
Caution!
This output is electronically balanced. Do not
ground pin 3, when using unbalanced cables in
this jack. Pin 3 is unused for unbalanced
operation!
9.3 DI pre/post Switch
Chooses among the following DI modes:
pre: before eq
post: post eq and parallel insert
offers a choice between pure or processed bass
guitar signal
9.2 Ground Lift Switch
Separates Signal Ground from Chassis Ground to
eliminate hum and buzz, when connecting other
A/C connected gear.
10.1 Loop / MP3 switch
Activates the stereo MP3 In function of the Loop
Return instead of mono Return In.
10.2 Loop Return / MP3 In jack
Connect to the output of an effects processor, that
is supposed to be looped into the effects loop or
the output of an MP3 player.
Can be used as a mix input (i.e. an additional
preamp), the mix ratio can be adjusted at the
Effect control on the front.
10.3 Loop Send Jack
To be connected to an effects units input. The level
is +4dB
11.1 Footswitch Loop Jack
Serves as a connection for the loop function
footswitch. It has the same function as the loop
button on the amp front.
11.2 Footswitch Tune Jack
Serves as a connection for the mute function
footswitch. It has the same function as the mute
button on the amp front.
