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PAR T I
This chapter explains each module and its controls. You will find detailed descriptions of all functions
and control elements.
8. THE AUDIO-MODULES
8.1 Input section
The input section contains the frontpanel control elements [level] (1) and the elements (22), (23) and
(24) on the rear panel.
The audio inputsignal is fed into the "INPUT"-socket (24). At first is attenuated by the [level]-knob
(1). Then it is amplified by the gain amp. Amplification (gain) can be selected with the [GAIN]-switch
(22) between 0 db (amplification = 1) or +20 db (amplification = 10). This is a detailed description of
the corresponding control elements:
back: (24) INPUT
The "INPUT"-socket (24) is a mono-audioinput. It is connected to the gain amp and – in BYPASS-Mo-
de – to the "OUTPUT" (25).
front: (1) [level]
The [level]-knob (1) attenuates the signal at the "INPUT-socket (24) between "zero" and "one" . Then it
is passed to the input stage.
back: (22) [GAIN]
The [Gain]-switch (22) selects the amplification of the gain amp between "0 db" (amplification = 1) or
"+20 db" (amplification = 10). Position "+20db" should be used for low level signals like e.g. micropho-
ne or electric guitar.
Position "0 db"(left) :
Position "+20 db" (right):
back: (23) OUTPUT
"OUTPUT"-socket (23) is a mono audio output, supplied by the VCA output or – in BYPASS-Mode –
the input signal on socket (24).
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user manual e b b e
u n d
Gain = 0 db
Gain = +20 db
f l u t
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