DOEPFER A-155 Manual Download Page 13 | Manualshive

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DOEPFER A-155 Manual Download Page 13

doepfer

System A - 100

Analog / Trigger Sequencer

A-155

13

fig. 6

: 16-step sequence with single analog CVs

1

2

3

4

5

6

7

8

Clock

Trig. 1

Post Out 2

A-160

Trig. 3

CV

O/I

A-150

I/O 1

I/O 2

CV

O/I

A-150

I/O 1

I/O 2

Trig. In

/ 8

Trig. 1

Trig. 3

Trig. Out

CV Out

Post Out 1

A-155

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Summary of Contents for A-155

Page 1: ...ith which to set the control voltage for each step The upper row is particularly designed for pitch control of a VCO with a range switch giving the ability to set pitches precisely The lower row of ei...

Page 2: ...0 10 0 10 5 0 10 0 10 6 0 10 0 10 7 0 10 0 10 8 0 10 0 10 0 10 Range Glide Scale Glide Trig 1 Trig 2 Trig 3 Gate Trig Control External CV Audio Inputs Trigger Outputs Control Start Stop Step Reset Pre...

Page 3: ...he glide time amount of slew on either upper or lower CV row 9 Control manual controls Start start button Stop stop button Step button for manually stepping through a sequence Reset reset button In Ou...

Page 4: ...utput down gate output on row 4 Gate output The three upper rows produce triggers each step that is switched to a row will produce a short pulse like a clock signal The lowest row produces gates the s...

Page 5: ...it acts as an attenuator for the external CV audio signal before sending it to the lower Pre Out output 6 Range The position of the Range switch a three way toggle switch 6 selects the precise voltage...

Page 6: ...gate activates glide fig 2 glide function 9 Control The control section 9 includes four push buttons for manual sequencer control Alternatively digital control signals can be sent to four correspondin...

Page 7: ...no difference a pulse of long duration still just produces a momentary trigger Clock step and Reset inputs on the other hand work by sensing level so for instance Reset will always be active keeping t...

Page 8: ...ches are set suitable Without the use of the S H you would have to adjust the potentiometers of the regarding steps very careful to obtain exactly the same voltage for the successive steps External CV...

Page 9: ...requency Trigger row 3 is available for any other control job you choose Variations on the patch in fig 3 might include controlling the VCF with either the same or a different ADSR or using the lower...

Page 10: ...Trigger Sequencer System A 100 doepfer 10 fig 3 standard patch with VCO VCF and glide control 1 2 3 4 5 6 7 8 VCO Clock Trig 1 VCA VCF ADSR Trig 2 Gate Glide Ctrl S H Crtl 1 Pre Out 2 Reset Post Out 1...

Page 11: ...cay time in a VC ADSR In fig 4 the lower analog CV row controls the decay time of a VC ADSR This in turn controls the cut off frequency of a VCF and so produces filter accents of different lengths 1 2...

Page 12: ...atch in fig 6 shows how to use the A 155 as a 16 step sequencer with one single analog CV row What s needed are the Clock Divider A 160 output 8 and the two voltage controlled swit ches in the A 150 V...

Page 13: ...igger Sequencer A 155 13 fig 6 16 step sequence with single analog CVs 1 2 3 4 5 6 7 8 Clock Trig 1 Post Out 2 A 160 Trig 3 CV O I A 150 I O 1 I O 2 CV O I A 150 I O 1 I O 2 Trig In 8 Trig 1 Trig 3 Tr...

Page 14: ...MIDI Clock with the help of an A 190 module the Clock and Reset outputs of the A 190 are simply connected to the Clock and Reset inputs on the A 155 Random Clock The Random Clock output from the A 117...

Page 15: ...l fit onto an A4 sheet of paper Photocopy this page and cut out the pictures of this and your other modules You can then stick them onto another piece of paper and create a diagram of your own system...

Page 16: ...8 0 10 0 10 0 10 Range Glide Scale Glide Trig 1 Trig 2 Trig 3 Gate Trig Control External CV Audio Inputs Trigger Outputs Control Start Stop Step Reset Pre Out Pre Out S H Ctrl Post Out S H Ctrl Post...

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