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C-105E
vc noise / lo-fi machine
USER MANUAL
NOISE
LO-FI
LO-FI IN
FM 2
HP OUT
OUT
C105E VC NOISE / LO-FI MACHINE
HP FILTER
H-FL-F
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
FM LEVEL
0
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10
SAMPLE FREQUENCY
HIGH
LOW
0
0
3
4
5
6
9
-3
-2
0
L
-5
2
E
IS
-F
O
-F
-F
I
I
IN
W
W
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NOISE
LO-FI
LO-FI IN
FM 2
HP OUT
OUT
CF CV FM
C105E VC NOISE / LO-FI MACHINE
HP FILTER
H-FL-F
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
FM LEVEL
0
1
2
3
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SAMPLE FREQUENCY
HIGH
LOW
C105E vc noise / Lo-fi Machine
The C105E VC Noise / Lo-Fi Machine is a voltage controlled
analog sample rate reducer with an internal white noise
generator and a voltage controlled high pass lter
(12db/octave) with an independent output.
This module is based on a Sample and Hold designed to
work at audio rates. The internal clock can be CV
controlled and it has two ranges of operation:
- High : from 250Hz up to 40KHz
- Low : from 150HZ to 0,1Hz
This wide frequency range and two FM inputs ( one with a
reversible attenuator ) allows to create subtle digital
eects , really harsh Lo-Fi sounds and Random signals .
The noise generator and the internal S&H makes a perfect
combination to create pitched noise, very useful to
synthesize drums sounds , drones, sound eects etc.
C105E main characteristics
- Internal white noise generator.
- CV controlled sampling frequency.
- Frequency range : 0.1Hz to 40KHz
- Voltage controlled High Pass lter.
The Lo-Fi input is normalized to the internal noise
generator.
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NOISE
LO-FI
LO-FI INFM 2 HP OUT OUT
CF CV FM
C105E VC NOISE / LO-FI MACHINE
HP FILTER
H-FL-F
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
FM LEVEL
0
1
2
3
4
5
6
7
8
9
10
SAMPLE FREQUENCY
HIGH
LOW
C105E VC Noise / Lo-Fi Machine
Front Panel Description
Sample frequency
control
Sample frequency
modulation input
Output selector switch
Sample frequency
modulation level
Noise / Lo- output
Sample frequency
modulation input
Hi-pass lter output
Signal input
Hi-pass lter cuto
frequency control
Cuto frequency
CV input
Sample Frequency
range selector
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CONTROL DESCRIPTION
SAMPLE FREQUENCY
This control sets the sampling frequency of the internal Sample
and Hold.
FM
Sample frequency modulation input. The FM LEVEL control is a
reversible attenuator that sets the amount of modulation. The
input allow positive and negative signals ( +/- 5 Volts ).
SAMPLE FREQUENCY RANGE SELECTOR SWITCH
- High : from 250Hz up to 40KHz
- Low : from 150HZ to 0,1Hz
0
1
2
3
4
5
6
7
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9
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SAMPLE FREQUENCY
FM 2
FM 2
Sample frequency modulation input. The input allow
positive and negative signals ( +/- 5 Volts )
HIGH
LOW
FM
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
FM LEVEL
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CF CV
High Pass lter cut-o frequency CV input. The HP FILTER control
sets de cut-o frequency of the lter.
INPUT SELECTOR SWITCH
This switch selects the signal to be sampled by the internal Sample
and Hold. The two options available are :
NOISE : internal noise generator
LO-FI : LO-FI signal input
LO-FI IN
Input signal to be sampled. If nothing is patched to this input, the
internal noise generator is connected to it.
OUT
Sampled signal output.
HP OUT
HP OUT
High Pass lter output
LO-FI IN
OUT
NOISE
LO-FI
CF CV
HP FILTER
H-FL-F
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WHITE NOISE
GENERATOR
LO-FI SIGNAL
INPUT
OUTPUT
HI-PASS
FILTER
FM1
FM2
∑
IN
OUT
SAMPLE
&
HOLD
SAMPLE FREQUENCY
HPF OUT
CF CV
BLOCK DIAGRAM
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White noise level
POWER CONNECTORS AND TRIMMERS
Module Format : Eurorack
Module Width : 12 Hp
Power : +12V@33mA , -12V@35mA
Signal level : 10Vpp ( +/- 5V )
TECHNICAL DATA
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