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A-113  

Subharmonic Generator

System  A - 100

doepfer

10

Fig. 8 

: Schematic construction of the Mixtur-

Trautonium sound generation
(part 2 see next page)

Summary of Contents for A-113

Page 1: ...output with adjustable level for each subharmonic The integer divisor for each subharmonic is set with up down buttons The current divisors are displayed with four 2 digit LED displays The combination...

Page 2: ...th converter with single output attenuator controlling the amount i e the ampli tude of the subharmonic in the mix output The incoming signal preferably the rectangle ouput of a VCO is fed into the fo...

Page 3: ...that the subharmonics are equi valent to the tones of the minor chord scale By way of contrast the harmonics are equivalent to the tones of the major chord scale Harmonics are integer multiples of th...

Page 4: ...ion of four subharmonics is called a mixture Four different mixtures 00 01 10 und 11 are available but only one mixture is active at a time The original Mixtur Trautonium had only three mixtures avail...

Page 5: ...et store button In Outputs In common audio input rectangle input Foot Ctr 1 gate input 1 to switch bet ween the mixtures Foot Ctr 2 gate input 2 to switch bet ween the mixtures Mix Out audio mix outpu...

Page 6: ...he two gate inputs und see chapter 4 2 Up 3 Down The Up button 2 resp the Down button 3 are used to adjust the divisor range 01 01 01 01 to 24 24 24 24 for the correspon ding frequency divider Fig 5 D...

Page 7: ...w buttons 6 Store The store button 6 is used to store presets The following steps are required to store a new preset D Operate the preset button 5 and keep this button pressed down see fig 6a D The up...

Page 8: ...t Controller Sequencer gate outputs MIDI interface see fig 7 Fig 7 Selecting mixtures with gate signals 0 gate low or no gate signal applied 1 gate high The mixture is displayed with the decimal point...

Page 9: ...andpass arrangement of the Mixtur Trautonium Only a few A 100 standard modules VCO VCA LFO ADSR have to be added to obtain the typical Trautonium sound Fig 8 shows the schematic construction of the Tr...

Page 10: ...A 113 Subharmonic Generator System A 100 doepfer 10 Fig 8 Schematic construction of the Mixtur Trautonium sound generation part 2 see next page...

Page 11: ...doepfer System A 100 Subharmonic Generator A 113 11...

Page 12: ...Subharmonic Generator System A 100 doepfer 12 Fig 9 A 113 as a complex sound source A 135 VC Mixer Audio Out Audio In 1 A 113 SHG 4 Single Out 1 XYZ MOD VCO Trig ext CV In 1 MOD Trig VC A VCA MOD Tri...

Page 13: ...en stick them onto another piece of paper and create a diagram of your own system Make multiple copies of your composite diagram and use them for remembering good patches and set ups P Draw in patchle...

Page 14: ...A 113 Subharmonic Generator System A 100 doepfer 14...

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