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1. off for that step As the sequencer advances through each step the CV and Gate signals for that step are output at the CV and Gate sockets When step 16 is reached the sequencer resets to step 1 and starts all over again Oberkorn has 3 CV and 2 Gate channels 16 steps and can be made to step in any order Control Voltage CV is normally used to control an oscillator s pitch but can be used to control any module that has a CV input such as filter cut off The Gate signal is usually used to trigger an envelope but can be used to control any module with a gate trigger or clock input There are many controls and features on an analogue sequencer to give more overall control over the way the sequencer opperates The major advantage over an analogue sequencer compared to a MIDI Digital sequencer are You have direct access to each note pitch CV and note on off Gate as there is a separate control for each step Software sequencers do not offer this advantage and very very few hardware MIDI sequencers do either This makes analogue sequencers more immediate and hands on With this immediate hands on control you can experiment by altering the controls as the sequence plays to evolve and manipulate your patterns in real time As the signals coming from the sequencer are analogue voltages they can be added inverted slewed or whatever and can be used as audio or control signals to feed into other analogue devices Quick Start If you just w2. on the same step Y xY g Gate Switches This is a four position rotary switch X In this position a gate will only be output to the X socket Y In this position a gate will only be output to the Y socket X Y In this position gates will be output from both X and Y sockets OFF In this position no gates will be output from either sockets O RANGE Controls Each CV channel has a Range control This alters the overall voltage range output to each CV socket Range is about 0 to 5V GLIDE Controls Channels Aand B both have their own Glide portamento function Glide means that the voltage will not abrubtly change from one level to the next as the step is advanced but will smoothly change TEMPO Control This control alters the internal clock speed tempo i e how fast the sequencer will run when using the internal clock as a clock source ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 8 9 4 LNO ASVLIOA OPP NI ge pe 9 H 1N0 3LVD QQ v Sockets VOLTAGE OUT There are the three control voltage output sockets one from each channel labelled A B and C The 16 voltage controls range and glide for A and B controls will also affect the signal at these sockets TRANSPOSE IN Each chamnel has a transpose input socket labelled A B and C An external voltage ranging from 12 to 12v can be input here and is added to the channels sequence voltage This can be done to either shift up or do
3. D MIDI sockets to the corresponding sockets in the POSITIONING section Reset the sequencer to Step 1 accurate step positioning requires this Now by pressing the appropriate MIDI key shown in the table below the corresponding step number will be se lected Note Step Decimal Binary D C B A C3 1 0 0000 C 3 2 1 0001 D3 3 2 0010 D 3 4 3 0011 E3 5 4 0100 F3 6 5 0101 F 3 7 6 0110 G3 8 7 0111 GH3 9 8 1000 A3 10 9 1001 A 3 11 10 1010 B3 12 11 1011 C4 13 12 1100 CH4 14 13 1101 D4 15 14 1110 D 4 16 15 1111 ANALOGIE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 15 Note by connecting up the cables in a different order or by not resetting the sequencer to step 1 will not cause any damage But doing this will alter the way the steps are selected which you might find interesting for experimental reasons Gate The above method of selecting steps allows you to choose which CV signal is selected But to get the gate section to work in a similar way is a little more difficult It is a little complex but once you understand how it works you can unlock further power from this sequencer To obtain a Gate output from either the X or Y socket two signals are needed Imagine ON 5v being rep resented by a 1 and OFF Ov by a 0 Just like binary Two input signals are ANDed a bollean algebra term together to obtain the Gate output One input signal is taken from the position of the Gate switch e g Off 0 or X 1 The other input
4. analogue sequencer user manual sugjoine zedneucek nzeL WSUNSI ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 Contents Intro OBERKORN Professional Analogue Sequencer A About Analogue Sequencers se aa 6 Quick Start une nanas Saman ian II a ERROR BA 6 Controls In Details aa an maa oem 8 Voltage Conte siena 8 Gate SWIEEheS Sa mean n aia PR de Cr ee nana 8 RANGE ent e EEN 8 GEIDE en de 8 TEMPO hein te EE 8 AP 9 VOLTAGE OUT orinar 9 TRANSPOSE IN EE 9 G TE OUT oi a eat 9 IN 9 OUT mudado ado 9 CV 9 SWINGS ee 9 INT EXT Run Stop ua sos nik soe de NN nana Ba ana Nan Kran 9 GATE LEG 10 RESET os 10 Push BURONS meneren ade bere tete eee ones 10 TO ei 10 TO EE 10 STEP se 10 MIP Ue eee RER ee O O eee n SERI RR 12 MIDI In rear panel EE 12 MIDI Thru rear E 12 PROG a iaa 12 ee 12 Sequencer e TN EE d TE 15 There are several very important points about this sequencer s unique feature 15 To Set this TI LEE 15 G te 16 SETTING LEG GATING 000 00 n Z G E a Q n Lu el Q Q q Zz S ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 3 Intro OBERKORN Professional Analogue Sequencer Introduction Oberkorn is a fully fledged professional analogue sequencer providing plenty of control outputs and inputs and with some unique creative features never before seen Overview Whilst most new analogue sequen
5. ant to jump straight in and use Oberkorn in it s most basic form to play an analogue synthesiser here s how to do it Take Voltage A out into the CV VCO pitch input of your synth Take Gate X out into the Gate or EG trigger input of your synth Press the Reset to 16 button to reset the sequencer It will reset to step 16 This is correct Flick the Run Stop switch left to Int internal The sequencer will now run off its internal clock at the speed set by the Tempo control starting at step 1 e Flick the row of Gate switches to X to produce a Gate pulse to trigger your synth Return the switch to the off position for no Gate Alter the Voltage controls to change the pitch CV for each step Alter the Tempo control till the sequencer runs at the desired speed Le If you want to restart the sequencer move the Run Stop switch to the centre position Stop Press the Reset to 16 switch then restart the sequencer with the Run Stop switch s Basically just keep playing around till you get a great sequence ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 6 CV Gate channels Controls In Detail Voltage Controls There are three rows channels of sixteen control voltage controls Each one will alter the voltage level for each channel on that particular step O Just to the left of each control on channel A is a step LED to tell you which step the sequencer is on All channels operate
6. ce control Sequencer Control Section Using the ABCD sockets from the MIDI section and going into the POSITIONING sockets it is possible to use MIDI to select the CV step number This means by setting up a little MIDI sequencer you could have to sequencer running in ANY order forwards backwards alternate steps etc Some stepping examples 4 bar measure with a fill in at the end 12345678 12345678 12345678 910 11 12 13 141516 Forwards then backwards 1234567891011 12 13 14 15 16 15 14 13 12 111098765432 Odd numbers 13579111315 etc There are several very important points about this sequencer s unique feature Easy method of locking the analogue sequencer to MIDI sequencers You can alter the step sequencer from 1 16 to anything you want removes the monotiny of the typical analogue sequencer You can program in analogue pattern ffill ins see the first example above You can change the step order and therefore the pattern in realtime by selecting different MIDI sequence control patterns You can play the analogue voltages in real time using a MIDI keyboard to select different voltages for applications like filter cut off control modulation level control on modulars or perhaps other DIY applied applications like lighting control or whatever you can think of To set this up Connect up the sequencer to MIDI and set the Oberkorn MIDI channel as described earlier in the manual Using 4 CV leads connect the ABC
7. cers only offer a limiting 8 steps the Oberkorn offers the all important 16 steps It is a multi channel true analogue sequencer with some remarkable features Below are a list of main features 3 separate Control Voltage channels Each has a range control 2 separate Gate channels Either can be on or off they can be both on together too The Gates can be clocked using internal clock external clock or use a special Legato mode Nice bright blue LEDs MIDI to clock trigger and step number converter Transpose inputs Two channels have glide portamento CV control of clock speed Capability of changing step sequence to anything you want other than the standard 1 to 16 Can be reset to step 16 which is very important for synching with other gear 222x222 Much more For more details on all features of Oberkorn please read the whole manual don t miss any of it s cool features Note This sequencer will work with a Hz V synth but works best with the more common V Oct It has no S Trig output though for a fee we may be able to modify your Oberkorn to have one ANALOGUE SOLUTIONS oberkorn mkiil e amp oe c 10 2006 4 Intro quick start About Analogue Sequencers Analogue sequencers are devices that allow a sequence up to 16 steps in the case of Oberkorn of voltages and gate signals to be played back sequentially in order from 1 to 16 Each step has its own control to vary Voltage and a switch to turn the Gate on or
8. controller computer keyboard etc MIDI Thru rear panel This will Thru the MIDI signals coming into the In socket PROG This is the Program switch used to change the Oberkorn s MIDI receive channel To change the chan nel assuming you have connected up a MIDI device ideally a keyboard Press and hold the PROG button Press a key or send a MIDI note from your sequencer on your MIDI keyboard Release the PROG button The Oberkorn will set its receive channel to the same channel as the note it received and store this value in non volatile memory O O O O e O gt L Sockets T1 This is a MIDI note on off to Trigger output MIDI note E4 will provide a Gate output on this socket T2 This is a MIDI note on off to Trigger output MIDI note F4 will provide a Gate output on this socket Use these sockets As additional controls for an analogue synth or drum machine They can also be patched to the X Y GATING sockets for gating effects Used as a clock sync source patch to the IN clock input socket run stop switch must be in EXT posistion For effects by patching to one of the b0 b1 b2 b3 POSITIONING sockets CK Provides 4ppqn output related to MIDI clock MIDI clock sends out 24ppqn clock pulses digital bytes actually Use this for MIDI clock sync It must be patched into the IN external clock input socket and the run stop switch must be in the EXT position It can be used to sync other exte
9. ge the pattern length you must have the gate switch whose number is your desired se quencer length 1 set to X Push Buttons To One This button is depicted by an arrow pointing to the number 1 Press this button to reset the se quencer to step 1 To 16 This button is depicted by an arrow pointing to the number 16 Press this button to reset the sequencer to step 16 This button should be used in preference to the above Reason When a sequencer is stopped and waiting for its first clock pulse to begin it playing the first note to play i e the first voltage and gate pulse to be outputted used will be the one AFTER the current step That means to start on step 1 then sequencer must be set to step 16 If it was set to step 1 then when you first start the sequencer it will actually start on step 2 This is a problem that was overlook by most if not all other analogue sequencers that we have cured with a simple reset to 16 button 1 STEP This button advances the sequencer by one step It would normally be used when the sequencer is stopped allow ing you to manually step through the sequence at your own pace allowing setting up of each step s voltage and gate controls ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 10 MIDI Oberkorn has a selection of MIDI triggering options which are outlined here MIDI In rear panel This is the MIDI In socket which you can connect to the MIDI Out of your MIDI
10. rnal devices such as an appropriate analoguedrum machine or synth CK In More Detail The Oberkorn MIDI software divides this down to give 4ppqn clock pulses out of the CK socket This gives you the most common required 16th notes No other time signature is available To get other time signatures or for a more versatile sync method than using MIDI clock we recommend you use a Trigger output T1 or T2 Do this by programming a string of notes to trigger T1 or T2 The advantage of this method is you can control how the sequencer steps by chang ing your MIDI sequencer or even muting it Using MIDI clock this is not possible The sequencer will run or stop as you do the same with the MIDI segence ANALOGIE SOLUTIONS oberkorn mkili e amp oe c 10 2006 12 A B C D This is a binary output with a range of 0 15 1 16 16 MIDI keys are coded into a binary output Note Step Decimal Binary D C B A C3 1 0 0000 C 3 2 1 0001 D3 3 2 0010 D 3 4 3 0011 E3 5 4 0100 F3 6 5 0101 F 3 7 6 0110 G3 8 7 0111 G 3 9 8 1000 A3 10 9 1001 A 3 11 10 1010 B3 12 11 1011 C4 13 12 1100 CH4 14 13 1101 D4 15 14 1110 D 4 16 15 1111 These can be used with the ABCD POSITIONING input sockets More on these sockets in the next section or can be patched to an external analogue device such as a synth or drum machine Note on the Oberkorn ABDC is written on the front panel as b0 b1 b2 b3 ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 13 Sequen
11. signal is taken from one of three sources either taken from the clock signal LEG GATE switch to GATE or permanently on 1 when the switch is in the LEGato position or taken from the X socket if used Input 1 AND Input 2 Output 0 0 0 0 1 0 1 0 0 1 1 1 i e a trigger The reason this seemingly complicated proceedure is used is to allow the Gates to turn on and off in time with the sequence Normally when clock is used as one of the ANDing sources the Gate length will be the same as the clock length Normally you do not have to worry about all this as with all other sequencers it s done internally and you have no control over it But we have brought this external and tapped into the system with switches and sockets giving you a far more versatile sequencer A series of diagrams follow which hopefully will make the system clearer by providing example settings AE LA ERE DE EE 5 I ss gt PR A ARAS 4 JE LMI E we Ze ZP nharkarn mm lei 2 a fel AN INNE ANALOGUE SIJLLTILJNS operkorn MKIII e amp oe c 10 2006 Specification subject to change without notice Warranty This device comes with a 1 year from purchase date back to base warranty i e customer must arrange and pay for carriage to and from Analogue Solutions or the dealer from which purchased This warranty shall not apply where the product has been subject to alteration misuse accident neglect such as extremes of temperature and or moistur or to wear res
12. source will output the OUT socket EXT ernal Move the switch right to use the signal input at the IN socket as a sequencer clock source This signal will be output at the OUT socket ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 9 ONINOILISOd n m z GATE LEG When no jack leads are inserted in the GATING X Y sockets more later on when there is then the GATE LEG switch functions as follows GATE When the switch is in the left GATE position the clock signal is used to determine the length of each Gate signal output at the X Y GATE OUT sockets Each step will re trigger LEG When the switch is in the right LEG legato position each consequetive Gate signals is added together to create longer gate signals More indepth details on this later but basically play around with it and their affect will be clear RESET This socket is depicted by an arrow pointing to the number 1 A gate pulse input to this socket will reset the sequencer to step 1 It is normally used to change the length of the sequencer from the usual 16 steps to any other length from 1 to 15 For example to create a sequence length of 8 steps Use a lead and patch GATE X output to RESET input On all steps move the Gate switch so X is off move the gate switch to either Y or OFF Move Gate switch 9 to X As the sequence is played when step 9 is reached a pulse is sent to the RESET socket so the sequencer is reset To chan
13. ulting from normal use We will normally carry out most the labour or repairs free of charge for an extended period of an additional 4 years from purchase date but this may not included cost of any damaged parts which will be charged for At the sole discretion of Analogue Solutions the warranty is deemed to be void should the unit be or considered to have been opened or any other modifications or tampering be carried out by unauthorised parties CE Compliance This unit complies with Complies with EU Directives 73 23 EEC and 89 336 EEC Standards EN55103 1 EN55103 2 EN60065 ANALOGUE SOLUTIONS oberkorn mkiii e amp oe c 10 2006 17 Oberkorn user manual Analogue Solutions web www analoguesolutions com web www analoguesolutions co uk email semblance analoguesolutions com tel fax 44 0 1384 35 36 94 post 56 kingsley road kingswinford dy6 9rx uk
14. wn the entire sequence of voltages transpose or for effects by using a modulating signal such as LFO or EG to modulate the overall sequence of voltages GATE OUT There are two Gate output sockets labelled X and Y which output the programmed gate condition set by the Gate switches IN This is an external clock input socket Use this when you want to run the Oberkorn from an external clock or gate voltage The Run Stop switch must be set in the EXT position When used the clock signal is Thru ed to the OUT socket OUT This socket outputs the clock signal source that is selected by the Run Stop switch When in the Run Stop switch is in the INTernal clock position the OUT socket will output the internal clock signal When in the EXTernal clock position the OUT socket will output the external clock signal This can be used to Thru the clock signal onto another sequencer CV This is a control voltage input that affects the internal clock speed This can be used for effects by modulating the clock speed and therefore the sequencer speed with signals such as LFO or EG ONIH90719 Switches INT EXT Run Stop The run stop switch is what you use to run or stop the sequencer It is a three position toggle switch A INTernal Move the switch left to use the internal clock as a sequencer clock source The internal clock signal will be output at the OUT socket 5 Stop Move the switch to the centre to stop the sequencer No clock
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