user`s manual - Analogue Haven
Contents
1. This group of elements is responsible for the frequency of the Voltage Controlled Oscillator VCO Tune control 1 enables the tuning of the oscillator frequency in a range of roughly one octave or octave By means of an internal jumper JP4 the range can be extended to roughly six octaves For details please refer to the appendix The factory setting is one octave Switch 2 can be used to increase upper position 1 or decrease lower position 1 the basic frequency of the VCO by one octave Switch 3a and control 3b are responsible for the frequency modulation FM of the VCO Switch 3a is used to select the FM source LFO1 FM source no internal FM ADSR FM source upper position center position lower position System A 100 Synthesizer Voice A 111 5 Control 3b is used to adjust the intensity of the internal frequency modulation A potentiometer with an exponential scale is used to enable a finer resolution in the lower range In addition to the internal FM controlled by 3a and 3b the control voltages applied to the A 100 bus CV line and to the VCO F socket J modulate the frequency of the VCO as described in chapter 3 With Tune control and Range switch 2 at center position no frequency modulation i e 3a center or 3b CCW and no external2. N OQ R44 Jps Y R38 DS ai L 3 N c e g ESL A 100 Bus DUEPFER System A 100 Synthesizer Voice A 111 5 Jumper Overview Name Function Explanation Factory default JP1 A 100 Bus Bus connection bus cable JP2 CV Bus Connects the CV line of the A 100 bus to the VCO frequency control installed voltage input in addition to the VCO F socket JP3 Gate bus Connects the Gate line of the A 100 bus to the switching contact of installed the ADSR Gate socket JP4 VCO tune range Adjusts the range of the VCO tune control not installed Installed gt tune range six octaves connected to Installed gt tune range one octave one pin only JP5 Audio gt Bus 5V Connects the audio output to 5V line of the A 100 bus not installed Can be used only for special applications and if the 5V line of the A 100 bus board is unused Otherwised problems will occur JP6 Relation VCO ext signal Adjusts the loudness relation of the internal VCO and the external installed audio signal one pin only installed gt VCO only not installed gt VCO and external signal with same level JP7 Inverter input Connects LFO1 output to the internal inverter installed JP8 Inverter output Connects the output of the internal inverter to the socket LFO1 installed The factory default is inverted LFO1 the inverter can be used for other applications too e g inverted AD
3. 0 2s medium 2ms 2s upper position low center position high lower position The times are specified for Attack The Decay and Release times are about 3 5 times more because of their asymptotic character E g in the Release state the envelope approaches the zero level in an asymptotic curve and it s difficult to define the release time see picture on the right side The lower position is the standard time range The center position is mainly for very short and percussive sounds where the overall envelope time may be even shorter than one period of the VCO signal e g a 200Hz VCO signal has a period of 2 ms the shortest envelope time in the high range is about 400us which is only 2096 of the VCO period System A 100 Synthesizer Voice A 111 5 The low range is intended for very long envelopes up to several minutes As the time ranges overlap certain envelope times can be generated in two ways e g 50ms is covered by high and medium range The following picture shows the typical envelope curve of an ADSR signal Sustain Attack Release Decay The picture shows the curve for medium settings of A D S and R As the values of the four parameters can vary over a wide range the actual envelope may look totally different A more detailed description of the ADSR envelope can be found in the user manuals of other A 100 envelope generators e g A 140 A 141 or A 143 2 17 Synthesizer Voice A 11
4. is used to select the XM source LFO2 XM source no internal XM ADSR XM source upper position center position lower position Control 9b is used to adjust the intensity of the internal exponential frequency modulation A potentiometer with an exponential scale is used This may lead to an unexpected behaviour if the ADSR is chosen as XM source because usually linear potentiometers are used here the influence of the ADSR to the filter frequency comes later than usually But we decided to use a potentiometer with exponential scale here to enable a finer resolution in the lower range especially for more sensitive control of FM effects in the audio range 13 Synthesizer Voice A 111 5 System A 100 DOEPFER In addition to the internally generated frequency of the filter Especially in combination with the linear FM LM very the control voltage applied to the VCF F socket interesting sounds can be obtained which are not possible modulates the frequency of the VCF as described in with other filters chapter 3 The LM control 10 is very unusual for a filter The position of this control defines the intensity of the internal linear frequency modulation of the VCF by the triangle of the VCO This feature is very useful for FM sounds with the VCF as sine oscillator self oscillation that keep their harmonic content while the sound is played e g by a sequencer keyboard or Midi
5. 5 2 5V according to the setting of the manual pulsewidth control 5 If a smaller range is required an external attenuator module has to be used e g A 183 1 VCF Frequency Control Input 1V Octave This input is used to control VCF frequency from the socket at the front panel It works in addition to the internal frequency settings and modulations controls 7 8 9a and 9b The socket can be normalled to the bus CV line provided that the corresponding socket JP12 is installed details in the appendix For precise 1V octave characteristic a buffered CV source is recommended e g A 185 1 A 185 2 A 190 2 The external VCF control voltage is not processed by the attenuator 9b To reduce the sensitivity of this CV input an external attenuator module has to be used e g A 183 1 EJ VCA Amplification Control Input This input is used to control VCA amplification or loudness from the socket at the front panel It works in addition to the internal amplification settings and modulations controls 12 13a and 13b The external VCA control voltage is not processed by the attenuator 13b A voltage of about 5V is required to obtain the maximum amplification provided that 9 Synthesizer Voice A 111 5 System A 100 DOEPFER controls 12 and 13b are fully CCW To reduce the sensitivity of this CV input an external attenuator module has to be used e g A 183 1 El ADSR Gate Input This input is used to trigger the envelope generato
6. DUEPFER 3 In Outputs El VCO Frequency Control Input 1V Octave This input is used to control VCO frequency from the socket at the front panel It works in addition to the control voltage that is applied to the CV line of the A 100 bus provided that the corresponding jumper JP2 is set details in the appendix and the internal frequency settings and modulations controls 1 2 3a and 3b Both CV inputs can be used simultaneously e g bus CV controlled by the Midi interface A 190 2 front panel CV connected to the output of a A 155 sequencer or vice versa For precise 1V octave characteristic a buffered CV source is recommended e g A 185 1 A 185 2 A 190 2 Both CV inputs can be used to play the VCO by means of a control voltage that uses the 1V octave standard or to modulate the VCO e g by an LFO or another VCO To adjust the level of an external frequency modulation an attenuator e g A 183 1 or amplifier Ae g 183 3 can be used El VCO Pulsewidth Control Input This is an external input that can be used to control the pulsewidth of the rectangle by an external control voltage It works in addition to the manual control of the pulsewidth control 5 and the internal PWM source controls 6a and System A 100 Synthesizer Voice A 111 5 6b The external PW voltage is not processed by the attenuator 6b A voltage difference of about 5V is required to cover the complete pulsewidth range e g 0 5V or 2
7. components vco e manual tune control with an internal jumper the range can be set to 1 half an octave or 2 5 octaves e range switch 1 0 1 octave e frequency range about 10Hz 12kHz e FM frequency modulation control with modulation source switch LFO1 off ADSR e manual pulsewidth control for rectangle waveform e PWM control with modulation source switch LFO2 off ADSR e waveform switch sawtooth off triangle e the sum of the waveform chosen by this switch and the rectangle is fed into the VCF to turn the rectangle off the PW control has to be set fully CCW e external CV input for VCO frequency 1V octave e external CV input for external PWM of the rectangle e internal CV input for frequency 1V octave connected to the A 100 bus via jumper the jumper can be used to interrupt this internal connection if not wanted VCF 24 dB low pass 12 octaves frequency range manual frequency control tracking switch half off full internally connected to the external frequency CV input of the VCO i e the VCF tracks to the VCO if the switch is set to half or full position XM exponential FM frequency modulation control with modulation source switch LFO2 off ADSR LM linear FM frequency modulation control to modulate the VCF by the triangle of the VCO in a linear manner manual resonance control up to self oscillation external audio input this signal is added to the VCO
8. signal external CV input for filter frequency 1V octave tracking for usage of the VCF as a sine wave oscillator not as precise as the VCO but much better than most of the other filters DUEPFER VCA manual amplitude control AM amplitude modulation control with modulation source switch LFO1 off ADSR external CV input for VCA amplitude special control scale exponential scale in the range from about 20dB to 80 90dB linear scale from about 20dB to OdB Remark this special control scale results in a loudness behaviour that is a bit different from pure linear or exponential VCAs LFO1 and LFO2 manual frequency control waveform switch triangle off rectangle range switch low audio medium LED display dual green red color for positive negative share of the signal the inverted LFO1 signal is available as an additional socket to use the LFO1 signal for external modules an internal jumper can be used to select between the LFO1 signal or the inverted LFO1 signal System A 100 Synthesizer Voice A 111 5 ADSR manual controls for Attack Decay Sustain Release range switch long short medium blue LED display ADSR signal is available as an additional socket to use the ADSR signal for external modules e Gate input connected to the A 100 bus via jumper the jumper can be used to interrupt this internal connection if not wanted Synthesizer Voice A 111 5 Remarks As the LFO frequencies can
9. 1 5 System A 100 DUEPFER 6 User Examples Basic position Schalter in oberer Stellung Switch in upper position Schalter in Mittelstellung Switch in center position Schalter in unterer Stellung Switch in lower position 18 DUEPFER The basic position of the controls shown on the previous page is a good starting point as it generates a well known standard synthesizer sound The VCO uses a combination of sawtooth and rectangle with a slow pulsewidth modulation to obtain a fatter sound The frequency modulation of the VCO if off The VCF has a light resonance and is modulated by the ADSR The linear modulation of the VCF LM is off The VCF tracking is on i e the VCF frequency follows the VCO frequency The VCA is also controlled by the ADSR and has no initial gain LFO1 is not used in this patch LFO2 is used to control the PWM of the VCO The ADSR range switch is set to medium the ADSR has a short Attack time a moderate Decay time and medium settings for Sustain and Release To obtain a sound both a CV and a Gate signal is required CV and Gate can be supplied via the A 100 bus or the Sockets at the front panel please refer to the jumper settings in the appendix if you want to control the module from the A 100 bus System A 100 Synthesizer Voice A 111 5 Change the settings of the controls to find out how they affect the sound You may e g some VCO frequency modulation by increasing the VCO FM control and play a
10. DUEPFER System A 100 Synthesizer Voice A 111 5 1 Introduction Adder adder Adder VCO Tune tune Frequency isi ange Control m Section Octave ir amplitude zs control ot F r oT ADSR Source T gt Bus C JP2 Fe s Audio VCOFH Outputs Output 1 JP7 JPB _ Tena a i T u LFO2 4 af PWM Res my ADSR Li Rectangle Resonance Pulsewidth Mo Control Resonance Envelope Control Control ADSR CV socket Section Section vecti wom a Envelope e Envelope t Attack Out e Output h LFO1 LFO2 Decay 2 Frequ Frequ rms Sustain Range nigh s i Range non medium As 2 medium Shape Release Rotary Control Potentiometer t Toggle Switch Miniature Jack Socket Miniature Jack Socket with Switching Contact o BI LED Display gt Momentary Push Button s IN 4 Midi Socket O USB Socket B Internal Connector Jumper Fig 1 A 111 5 sketch Synthesizer Voice A 111 5 System A 100 DOEPFER Module A 111 5 is a complete monophonic synthesizer module that includes these
11. SR or LFO2 output in combination with JP9 or JP10 or direct output of LFO1 or LFO2 without inverting JP9 ADSR out Internal ADSR output single pin JP10 LFO2 out Internal LFO2 output single pin JP11 VCF tracking source Selects the CV source for VCF tracking can be turned on off half installed by means of the Track switch lower position Upper position VCF tracking controlled by the CV line of the A 100 bus Lower position VCF tracking controlled by the VCO F socket JP12 CV Bus to VCF Connects the CV line of the A 100 bus to the switching contact the not installed VCF F socket 21 Synthesizer Voice A 111 5 System A 100 DUEPFEH Trimming Potentiometers Overview Name Function Explanation Factory default P17 VCO Scale adjusts the 1V octave characteristics of the adjusted to 1 00V octave socket VCO F or the bus CV P18 VCO Offset adjusts the VCO frequency offset 64 Hz center position of the VCO Tune control and Range switch in center position P19 VCO Octave Switch adjusts the upper position of the VCO adjusted to 1 octave range switch 1 octave P20 VCO Octave Switch adjusts the lower position of the VCO range adjusted to 1 octave Switch 1 octave P21 VCF Scale adjusts the 1V octave characteristics of the adjusted to 1V octave VCF in self socket VCF F or bus CV if the tracking oscillation Resonance control fully switch is in the lower position
12. USB interface If the tracking switch 8 is set to full the VCF tracks to the VCO and if linear FM is added the overtone structure remains almost unchanged 11 VCF Resonance With this control the Resonance or Emphasis of the filter is adjusted This function emphasises the frequencies around the cut off frequency Close to the maximum position the filter goes into self oscillation In this mode it behaves like a sine wave oscillator and can be used as an alternative sound source A detailed description of the resonance function can be found in the user manuals of the A 100 filter modules e g A 120 or A 121 As the control scale of the VCF in the A 111 5 has a very precise 1V Octave behaviour the filter can be played over several octaves like a VCO if it s in self oscillation It s not as precise as a VCO but much better than most other filters 14 DUEPFER 12 VCA Amplitude Manual Gain 13a VCA AM Source Switch 13b VCA AM Level This group of elements is responsible for the amplitude or loudness of the Voltage Controlled Amplifier VCA Amplitude control 12 is used to adjust the loudness of the VCA from zero to maximum manually In other synthesizers this control is sometimes called initial gain If the VCA is controlled by the ADSR this control is usually set to zero Otherwise a tone will be heard permanently because the ADSR generates a positive c
13. control voltage clipping occurs Even with the internal LFO and ADSR clipping is possible if control 13b is fully CW To obtain a VCA loudness contour without CV clipping control 13b should not be set to maximum unless this behaviour is intended The following picture shows the effect of CV clipping on the basis of a triangle LFO signal CV for amplification 1 This behaviour was introduced intentionally as it leads to additional trapezoid or clipped ADSR loudness contours not available without clipping 15 Synthesizer Voice A 111 5 14a 14b 14c LFO1 Frequency LFO1 Frequency Range Switch LFO1 Waveform Switch This group of elements is responsible for the adjustment of Low Frequency Oscillator 1 LFO1 Switch 13a is used to select the frequency range upper position low 0 005Hz 200s 2 5Hz 400ms center position high 20Hz 10kHz lower position medium 0 1Hz 10s 50Hz 20ms The lower position is the standard LFO setting The center position is mainly for FM PWM AM effects in the audio range The upper position is for very slow modulations up to several minutes range As the frequency ranges overlap some frequencies can be generated in two ways e g 1Hz is covered by low and medium range 14a LFO1 The frequency is manually adjusted by control Frequency The waveform switch 14c is used to se
14. control voltages socket VCO F and A 100 bus CV line the VCO frequency is about 65 Hz C 4 VCO Waveshape Switch This switch is used to select the first waveform upper position triangle center position no wave lower position sawtooth To this first waveform the rectangle can be added see below A detailed description of the sound and overtone content spectrum of different waveforms can be found in the user manuals of the modules A 110 and A 111 11 Synthesizer Voice A 111 5 5 VCO Rectangle Pulsewidth 6a VCO Pulsewidth Modulation Source 6b VCO Pulsewidth Modulation Level This group of elements is responsible for the additional rectangle wave second waveform that can be added to the waveform chosen by switch 4 Control 5 is used adjust the pulsewidth of the rectangle manually In the center position the pulsewidth is about 50 provided that no Pulsewidth Modulation is active In the fully CCW or fully CW position the rectangle wave is off This position has to be chosen if only triangle or sawtooth is desired as VCO waveform The pulsewidth adjusted by control 5 can be modulated by means of the switch 6a and control 6b This function is called Pulsewidth Modulation PWM and used to obtain a fatter sound especially if a slow triangle is used for the modulation or for other s
15. full CW P22 VCF Offset adjusts the VCF frequency offset 10 Hz CCW position of the VCF Frq control VCF in self oscillation Resonance control fully CW all VCF modulations off R23 Minimum VCA level adjusts the minimum VCA level i e when 10k a smaller value leads to a smaller VCA A control is fully CCW and all VCA minimum VCA level modulations are off Remark The specifications in this appendix are only for experienced users Please do not change the settings of the jumpers or potentiometers if you do not have sufficient experience Modules that have been misadjusted by the customer jumpers and or trimming potentiometers are treated as repairs at the owner s expense The warranty is void if the module is modified or misadjusted by the customer exception changing the jumper settings is allowed without loosing the warranty 22
16. go up to moderate audio range 5kHz even audio FM effects of VCO pitch and pulsewidth VCF and ADSR are possible If the VCO is turned off waveform switch center position pulsewidth control fully CCW and the VCF resonance is set to maximum the module can be used as a sine oscillator The sine can be modulated in a linear manner from the triangle wave of the VCO and by LFO2 in an exponential manner at the same time from the factory the socket labelled LFO1 outputs the inverted LFO1 signal But as the module has several internal pin headers available even another signal may appear at this socket by changing the internal module patch These six pin headers are available LFO1 output LFO2 output ADSR output inverter input inverter output output socket The internal default patch is LFO1 gt inverter input inverter output gt output socket i e socket inverted LFO1 But even another signal can be patched to this socket e g inverted ADSR non inverted LFO1 inverted or non inverted LFO2 It is also possible to add a blind panel next to the A 111 5 with a couple of sockets that are connected to the corresponding pins of the A 111 5 pc board The in and outputs of the VCO VCF and VCA are not available as pin headers because the VCO VCF and VCA are internally connected in the circuit which is used in this module System A 100 DUEPFER Additional specifications Front panel width 24 HP 121 6 mm Module dept
17. h 40 mm measured from the rear side of the front panel Current 80 mA DUEPFER System A 100 Synthesizer Voice A 111 5 2 Overview Fig 2 Front Panel full view Synthesizer Voice A 111 5 System A 100 DUEPFER Fig 2a Front Panel VCO and VCF VCO Tune VCO Range Switch Octave Switch VCO FM Source Switch VCO FM Level VCO Waveshape Switch VCO Rectangle Pulsewidth VCO Pulsewidth Modulation Source VCO Pulsewidth Modulation Level VCF Frequency VCF Tracking Switch VCF exponential FM Source Switch VCF exponential FM Level VCF linear FM Level VCF Resonance DUEPFER System A 100 Synthesizer Voice A 111 5 Fig 2b Front Panel VCA LFO ADSR 12 13a 13b 14a 14b 14c VCA Amplitude Manual Gain VCA AM Source Switch VCA AM Level LFO1 Frequency LFO1 Frequency Range Switch LFO1 Waveform Switch LFO2 Frequency LFO2 Frequency Range Switch LFO2 Waveform Switch ADSR Range Switch ADSR Attack Time ADSR Decay Time ADSR Sustain Level ADSR Release Time Synthesizer Voice A 111 5 System A 100 DUEPFEH OCT OIG ee 00 VCOF VCOPW VCFF ne Edemd Iron bee Audio Goie Audo Fig 2c Frontpanel Inputs and Outputs VCO Frequency Control Input 1V Octave VCO Pulsewidth Control Input VCF Frequency Control Input 1V Octave VCA Amplification Control Input ADSR Gate Input VCF External Audio Input Inverted LFO1 Output ADSR Output Audio Output oo oSNSOOVOP ODND
18. justable resonance is used in the module In addition the filter features linear frequency modulation A detailed description of different filter types can be found in the user manuals of the A 100 filter modules e g A 120 or A 121 Frequency control 7 adjusts the frequency of the filter manually over 12 octaves 5Hz 20 kHz Switch 8 can be used to add the control voltage applied to the VCO also to the VCF This function is called filter tracking because the VCF tracks to the VCO upper position half tracking center position no tracking lower position full tracking If no tracking is selected the sound character becomes darker as the VCO frequency increases as the filter does not follow to the frequency of the VCO If full tracking is selected the VCF follows to the VCO i e if e g the VCO goes up one octave even the VCF frequency is increased by System A 100 Synthesizer Voice A 111 5 one octave This position of the switch is also chosen if the filter is played as sine wave oscillator see below If half tracking is selected the filter frequency follows partly the VCO frequency if the VCO goes up two octaves the filter frequency is increased by one octave This position is chosen if an intermediate behaviour between full and no tracking is desired Switch 9a and control 9b are responsible for the exponential frequency modulation XM of the VCF Switch 9a
19. lect the waveform upper position triangle center position no wave lower position rectangle 16 System A 100 DUEPFER The LED next to the control 14a displays the present frequency and waveform Positive shares of the signal are indicated by green or yellow color negative shares are red The brightness of the LED corresponds to the voltage level bright green means high positive voltage dark red means small negative voltage If rectangle is selected the LED switches between full green and full red as the rectangle has no slope Remark If the LFO frequency goes above about 25 Hz our persistence of vision means that the LED looks permanently on Consequently only frequencies up to 25Hz can be recognized If both the green and red light source of the LED are on a frequency beyond 25Hz is adjusted 15a LFO2 Frequency 15b LFO2 Frequency Range Switch 15c LFO2 Waveform Switch This group of elements is responsible for the adjustment of Low Frequency Oscillator 2 LFO2 The functions of the controls and the LED are the same as for LFO1 DUEPFER 16 ADSR Range Switch 17 ADSR Attack Time 18 ADSR Decay Time 19 ADSR Sustain Level 20 ADSR Release Time This group of elements is responsible for the adjustment of envelope generator ADSR Switch 16 is used to select the time range 0 1s 100s 200us
20. ontrol voltage If the VCA is controlled by the LFO this control may be set to a medium value as the LFO signal is bipolar i e positive and negative voltages are generated The VCA used in the A 111 5 has a very special control scale that has an exponential behaviour in the range from about 20dB to 80dB and a linear scale from about 20dB to OdB This scale results in a loudness behaviour that is a bit different from pure linear or exponential VCAs Switch 13a and control 13b are responsible for the amplitude modulation AM of the VCA Switch 13a is used to select the AM source LFO1 AM source no internal AM ADSR AM source upper position center position lower position System A 100 Synthesizer Voice A 111 5 Control 13b is used to adjust the intensity of the internal amplitude modulation In addition to the internally generated amplitude of the VCA the control voltage applied to the VCA A socket El modulates the amplitude of the VCA as described in chapter 3 Remark The amplitude range of the VCA is 0 1 i e the maximum amplification is limited to 1 though that s not a real amplification we use the same terms as usual for synthesizers The full range is covered by the manual amplitude control 12 If the sum of the manual setting and the added modulation internal or external exceeds the CV that corresponds to amplification 1 kind of
21. ound effects Switch 6a is used to select the PWM source LFO2 PWM source no internal PWM ADSR PWM source upper position center position lower position Control 6b is used to adjust the intensity of the internal pulsewidth modulation 12 System A 100 DUEPFER Pay attention that the rectangle waveform can be turned off also by means of the PWM If for example the manual control 5 can is set to position 2 or 8 LFO2 triangle is used as PMW source the rectangle wavform will disappear periodically if the PWM level control 6b is increased beyond a certain position Same applies if ADSR is used but in this case the disappearance is controlled by the ADSR signal If the rectangle waveform of LFO2 is chosen the VCO rectangle can be turned off and on periodically with the frequency of LFO2 In addition to the internal PW PWM controlled by 5 6al and 6b the control voltage applied to the VCO PW socket El modulates the pulsewidth of the VCO rectangle waveform as described in chapter 3 DUEPFER 7 VCF Frequency 8 VCF Tracking Switch 9a VCF exponential FM Source Switch 9b VCF exponential FM Level 10 VCF linear FM Level This group of elements is responsible for the frequency of the Voltage Controlled Filter VCF A 24dB Low Pass Filter with ad
22. r ADSR A trigger voltage between 5V and 12V is required to trigger the envelope The socket can be normalled to the bus gate line provided that the corresponding socket JP3 is installed details in the appendix EB vcr External Audio Input This is an external audio input that is added to the internal VCO signal E g a noise generator a second VCO or any other audio source can be used The signal is processed by the VCF and the VCA of the A 111 5 module The input sensitivity is about 1V If the signal distorts the usage of an attenuator is recommended e g A 183 1 If the external audio signal is too small an additional amplifier can be used e g A 183 3 to increase the level Inverted LFO1 Output By default the inverted LFO1 signal is available at this socket It can be used to control other A 100 modules or other inputs of the A 111 5 e g controlling the PW or the VCF frequency by LFO1 The internal jumpers JP7 JP8 JP9 JP10 of the module can be set in another way so that 10 a different signal appears at this socket details in the appendix They can be used to control other A 100 modules El ADSR Output This socket outputs the ADSR signal It can be used to control other A 100 modules Ell Audio Output This is the audio output of the module The typical output level is 1V DUEPFER 4 Controls 1 VCO Tune 2 VCO Range Switch Octave Switch 3a VCO FM Source Switch 3b VCOFMLevel
23. round with different frequencies and waveforms of LFO1 Please look at the DARK ENERGY user s manual for more examples It is available on our website as a pdf file for download DARK ENERGY is the stand alone version of the module A 111 5 and has exactly the same sound generation unit 19 Synthesizer Voice A 111 5 20 System A 100 DUEPFER Appendix Position and function of the jumpers JPx and trimming potentiometers Px a R60 m J z DOEPFER A 100 SYSTEM RZA c189 nea Balls S whee a SYNTH j O z J amp VOICE ET R24 Te p R19 EHE t H C5 zis C103 Ri7 a Lk j 9 La 48 R49 z R33 Co spr R20 p21 R26 R65 R ack B To 3 j D2 06 R36 R32 cs R56 Hee 14 M C20 8 J Fe ICS jpg C104 D R50 4 m5 O ag ll hse aa R30 R 4 R48 s L yor R33 RIE bs t R87 ae igs p cies g Ite p b i Mrs R45 Ls 5 E 48 AUDIO OUT R46 R4 Q2 a D ADSR OUT ALFO01 OUT q AUDIO IN l TI NI C13 il GATE IN
Download Pdf Manuals
Related Search