A-123, System a - 100, Vcf 4 - overview – Doepfer A-123 24dB High Pass (no longer available) User Manual
Page 2: Doepfer, Vcf 4, Controls
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A-123
VCF 4
System A - 100
doepfer
2
2. VCF 4 - Overview
Controls:
1
Lev. :
Attenuator for audio input !
2
Frq. :
Cut-off frequency control
3
FCV :
Attenuator for filter CV at input §
4
QCV :
Attenuator for resonance CV at input
$
5
Res.:
Control for setting the filter’s reso-
nance (emphasis)
In / Outputs:
!
Audio In :
Input to the filter
"
FCV 1 :
Input for voltage control of the filter
cut-off frequency (1 V /octave)
§
FCV 2 :
ditto, level controlled by 3
$
QCV :
Input for voltage control of the filter’s
resonance; level controlled by 4
%
Audio Out : Output from the filter
A-123
VCF 4
FCV 1
FCV 2
QCV
Frq.
FCV
QCV
Res.
Lev.
Audio In
➀
➁
➂
➃
➄
24 dB High Pass
0
10
0
10
0
10
0
10
0
10
Audio Out
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