DOEPFER A-190-2 Podręcznik - Strona 4

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Midi-to-CV/Gate A-190-2

Important note: The module comes with an installed CV

jumper, i.e. one has to remove the jumper if e.g. an A-190,

A-185-1 or A-185-2 is already connected to the CV line of

the same bus board! If the A-190-2 should be used as CV

source for the A-100 bus the CV connection of any other CV

source (e.g. A-190-1, A-185-1 or A-185-2) has to be

removed. Otherwise a short circuit is made between the

outputs of the CV transmitters !

CV output "Pitch Bend" (CV2)

This socket outputs a voltage that is controlled by valid Midi

pitch bend messages (i.e. on the right Midi channel). The

voltage range is about -2.5V (Midi data 0) ... 0V (Midi data

64) ... +2.5V (Midi data 127).

Usually this output is connected to the CV input(s) of the

voltage controlled oscillators (VCOs) that are equipped with

attenuators. The attenuators are used to adjust the desired

pitch range. If more than one VCO is used a multiple

module is required to distribute the CV coming from the A-

190-2. In this case the usage of the precision adder A-185-2

is a more versatile solution (see chapter 6: user examples).

The CV output "Note" of the A-190-2 is patched to one of

the CV inputs of the A-185-2 without attenuator. The CV

output "Pitch Bend" of the A-190-2 is patched to the CV

input of the A-185-2 with attenuator. That way the pitch

bend range is adjusted with one common control only for all

VCOs. The CV bus jumper of the A-190-2 has to be

removed in this application because the A-185-2 is used as

CV source for the bus.

System A-100

CV output " Velocity/Volume" (CV3)

This socket outputs a voltage that is controlled by valid Midi

volume or velocity*volume messages. The voltage range is

0 V (velocity/volume data 0) ... +5V (velocity/volume data

127). The module can be adjusted for volume control only or

for both volume and velocity (velocity*volume). Details in

chapter 5. The factory setting is volume only (no velocity).

Usually this output is connected to the CV input of a voltage

controlled amplifier (VCA) that is used to control the overall

loudness of the patch. But it can be used also to control any

other function by Midi volume or velocity (e.g. filter

frequency, filter resonance, LFO frequency ...) .

CV output "Controller" (CV4)

This socket outputs a voltage that is controlled by valid Midi

control change messages (i.e. the right control change

number on the right Midi channel). The voltage range is 0 V

(controller data 0) ... +5V (controller data 127). The control

change number can be adjusted to any value. Even this

output can be connected with velocity (same as CV3).

Details in chapter 5. The factory setting is controller #1, i.e.

modulation controller, no velocity.

The output can be used to control any parameter by the

corresponding

modulation depth, filter frequency, wave multiplication

depth, waveform morphing, panorama ...).

Midi

control

change

DOEPFER

messages

(e.g.