Rear panel, from left to right
tuner
Tuner output excluding tone control
or effects
line
Output, including Master with tone
controls, effect, stereo return of
external effects
highpass
At this output is a high-pass signal,
regardless of the operating mode of
the Head One.
lowpass
At this output is a low-pass signal,
regardless of the operating mode of
the Head One.
(When the 2-way mode is used,
a high-pass signal only is available all
loudspeaker outputs)
return
Return signal from external effect units
send
Sends the pre-amp signal to external
effects
return level
Controls the amount of return signal
from external effects
Par/ser switch
Select switch for external effects,
whether insert mode is in parallel or series
mode:
full-range
see illustration
2 way active
see illustration
bridge mode
As a bridged amplifier for a higher output
level for use with a full-range cabinet
(only recommeded for use with an
8 Ohm cabinet)
out 3
Loudspeaker output (R
min
= 8 Ohm)
delivers full-range signal in bridge mode
out 2
Loudspeaker output (R
min
= 4 Ohm)
delivers full-range signal in Bridge Modus
or high-mid signal in 2-way-mode
out 1
Loudspeaker output (R
min
= 4 Ohm)
delivers full-range signal in Bridge Modus
or bass signal in 2-way-mode
powercon
Connection to mains
fuse
Fuse 6,3 Ampere
gnd
Protective earth conductor
Head
one
tuner
highpass
return
line
lowpass
send
return
level
par
ser
fullrange
2 way active
2 channel
bridge
out 3
out 2
out 1
powercon
fuse
gnd
mode
Preamplifier
Amp 1
Amp 2
CAB
one
CAB
one
Preamplifier
CAB
one
CAB
two
Amp 1
Lowpass
Amp 2
2-Way-Active
out 2
out 1
out 1
out 2
2 Channel Full-Range mode
Highpass
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