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4. Starting up
4.1 Cabling and switching on
Before connecting to mains, please ensure that your
bols are printed on the rear side of the unit.
Connect all cables according to your application
and switch the amplifier on. The green power con-
trol LED indicates operational readiness.
4.2 Level adjustment
Note: Level adjustment
By setting the level correctly we mean the signal le-
vel in one or several devices in a signal chain is nei-
ther too high nor too low. This applies equally to all
circuits in a complete circuit design (EQs, preamps
etc.)
Consequently, care must be taken that no part of the
circuit is overloaded or that distortion is unintentio-
nally added to the signal.
We have carefully designed the circuit to achieve this
objective whilst also providing controls for „manual"
intervention.
channel 1
First ensure, that the master level control is zeroed
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(over to far left), so that when you are setting the
sound level, the signal passes through the elect-
ronics only and does not reach the loudspeaker.
By pressing the high-/low- (attn.) resp. line-/mic-
switches you can adapt the amplifier to your signal
sources (guitar pickups, microphone etc).
Turn the gain control clockwise until the red clip
indicator flashes momentarily when playing with a
strong attack. Thus you make sure that your signal
source (e.g. instrument) provides the input-stage of
the amplifier with the necessary input.
The clip-LED indicates an overload. A short flicker
is of no danger to AER devices. During operation a
local mains voltage is
suitable for the volta-
ge of the device (e.g.
120V in the USA, 230V
in Europe). The relevant
specs and safety sym-
channel 2
short flicker can be accepted, to be on the safe side
you should reduce the gain slightly to achieve an
optimal and distortion-free performance.
Finally set the desired overall volume level with the
master level control.
5. Functional characteristics
5.1 Equalization
The triple-/dual-band equalizer of your Compact
60
provides you with an active and high quality
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sound interaction tool that supports the natural
tone of instruments and voice whilst simultaneous-
ly offering you the possibility of a controlled accen-
tuation.
With all controls in mid position the filters are set
to produce a very pleasing and natural sound im-
pression that you can „colour up" by using the co-
lour filter with the effect of lowering the mids and
lifting the trebles. The tone becomes more open
and light and is especially suited for fingerpicking
techniques.
The equalization can support or soften the effect of
the colour filter and allows a differentiated mids-
accentuation.
A: with colour-filter (switch pressed)
reduce treble to soften possible sharpness
colour
bass
B: without colour-filter (switch not pressed)
boost treble to brighten the sound
colour
bass
Note:
The active equalization of the Compact 60
the signal adjustment. If you spot an intensified fli-
ckering of the clip indicator, level the signal level
with the gain control (s. 4.2 Level adjustment).
middle
treble
Compact 60
3
middle
treble
effects
3
Com
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