FT 201 - KOMA Elektronik
Contents
1. FI 201 FRONT PANEL CONNECTIONS amp CONTROLS ANALOG FILTER 10 STEP The patch bay consists of ten 1 4 mono jack sockets used to send and receive various audio or control voltage signals Blank arrows mark CV inputs outputs black arrows mark audio inputs outputs SEQUENCER If the arrow is pointing towards the jack socket it shows you that this is an output If the arrow is pointing away from the jack socket it is an input The FT201 has been designed to accept unipolar CV signals only Because the pedal runs on 9 V every time you patch a control voltage to one of the CV inputs the respective knob e g SPEED knob or USER MANUAL SPEED IN CV input determines the offset voltage of your CV input signal Audio Output BAND PASS Audio Output LO PASS SEQUENCER OUT CV Output SEQ RESET CV Input The bandpass output of the filter The lowpass output of the filter The output of the sequencer ranging from 0 A rising edge trigger or gate sig 7 Note that this is the sum of the sequencer nal arriving at this CV input resets itself and the the CUTOFF knob the sequencer to step 1 A trigger CV Input CUTOFF will reset and a gate will hold the Dear KOMA user sequencer at step 1 as long as it Controls the cutoff frequency is high Filters are amongst the most important audio sculpting tools of the filter When you insert a when it comes to defining your own unique sound There s a lo control voltage into this i2. e 0 DC POWER CONNECTOR Connect the FT201 power supply to the FT201 DC input on the Attenuates the incoming CV Use only KOMA backside of the pedal When you press the bypass switch the EF signal CV OUT CV IN CV IN CV OUT PSU to ensure FECT ON OFF led will light up this means the effect is ON high quality 4 POWER UP BYPASS CUTOFF CV IN 9V DC INPUT performance 5 SET LEVELS Attenuates the incoming CV signal Make sure the EFFECT ON OFF indicator is OFF Play your instru ment and adjust the volume Press the Bypass switch and the EFFECT ON OFF indicator will turn green which means the ef fect is now active If necessary adjust the INPUT GAIN control to match the levels of the processed signal and the bypassed sig nal 6 PLAY Now play that machine Be aware of volume changes in your sig nal when using the FT201 Make sure that when you plug in the Vertretungsberechtigte Registergericht Court of Registration KOMA Elektronik GmbH unit the RESONANCE slider control is not fully set to HIGH this to M P R N T Gesch ftsf hrer Managing Director Amtgericht Berlin Charlottenburg Mahlower Strasse 24 avoid very loud and very high pitched sounds while sound check Christian Zollner amp Wouter Jaspers Registernummer HRB 145453 12049 Berlin Neuk lln ing or you might just be really into that in that case leave it up KOMA Elektronik GmbH is a subsidiary Sitz der Gesellschaft Registered Office Umsatzs
3. YOUR MACHINE The package comes with the FI201 pedal a 9VDC 500mA center negative power supply and this manual Make sure that the power supply is rated for the line voltage of your country 120 VAC for the USA 220 VAC for Europe or most other countries R EA R PA N E L C 0 N T R 0 LS 2 CONNECT IT Be sure your amp or mixer is turned off then connect your instru ment to the FT201 by using the AUDIO INPUT on the upper right of the patch bay Connect one of the three filter outputs to your amp or mixer The FT201 is running on a 9V power supply To make the unit compatible to all other equipment out there we provide you with a trimmer for each CV input on the backside of the panel So whenever you notice a significant distortion or clipping in your control signal waveform or strange CV behavior simply turn the trim pot counter clockwise until you hear the desired result By turning it coun ter clockwise you attenuate the incoming CV signal Fully counter clockwise means that the incoming CV signal is completely trimmed down whereas fully clockwise means that the incoming CV signal is arriving to the circuit unattenuated 3 SET UP THE FT201 TO A BASIC PATCH Set all the rotary controls on the FT201 to 0 Turn down the vol SENSOR CV OUT SENSOR CV OUT ume of your amplifier Adjust the sensitivity of the Attenuates the outgoing CV signal motion controller of the Sequencer SENSOR RESONANCE CUTOFF SEQUENCER RESONANCE CV IN e e e
4. eG oo De 0o o ORORO OS 0 100 Low 100 LOW 0 3 Low INPUT GA EFFECT ON OFF RESONANCE INPUT GAIN EFFECT ON OFF RESONANCE NPUT GAIN EFFECT ON OFF RESONANCE SEQ LENGTH SUB BASS RESONANCE DEEP BASS PUNCH DISTORTED LOW FREQUENCIES great for bass synths When using the HI PASS output at a very low cutoff and high resonance Plug your amp into the LO PASS output When the input gain is all the way up the signal is distorted sub bass frequencies are added around the Q frequency along with high resonance creating a gritty sound TIPS amp TRICKS CV THEORY Linear PSU The concept of control voltage CV is not hard to understand instead of turn ing a knob on your pedal you simply connect a voltage the control voltage To ensure the best sound quality we recommend using a linear power supply at to the corresponding CV input that does the job for you For example if you all times Because the sensor circuit needs a lot of current we recommend a want to have quickly varying RESONANCE you don t have to turn that knob back minimum of SOOmA Since it s a linear power supply not switching make sure the and forth rapidly until your fingers fall off but simply connect an alternating CV power supply is rated for the line voltage of your country 120 VAC for the USA 220 to the RESONANCE CV input VAC for Europe and most other countries TECHNICAL SPECS Casing Shipping Weight Powder coated aluminum casing 1 kg 3 0 lb including
5. power adapter silk screened text and wooden and instruction manual side panels Power requirements Dimensions 9V DC power adapter SO0mA min 23emx15emx5cem LxWxH center polarity negative only use the 9 x 6 x2 LxWxH KOMA adapter shipped with the pedal How to clean your FT201 You can take control signals from any source for controlling the inputs of the FT201 All of the CV inputs theoretically accept control voltages from 100V to The FT201 s body is white which means the chance of it becoming dirty after a 100V though a range from 5V 12V 15V to 5V 12V 15V is more common show or intense studio session is high To clean the pedal use some pure clean and usable ing alcohol e g isopropyl Make sure you use it safely that stuff is pretty flam mable Also make sure there is no solvent mixed in this will remove the screen BIPOLAR CV SIGNALS printing on the pedal Cleaning the Sensor SSS 9V After intensive use the sensor can be a bit dusty we recommend to clean the Bias Voltage sensors with a simple old toothbrush set by knob NIDE ORY Manipulating the Sequencer Length WARRANTY KOMA Elektronik warrants its products to be free of defects in materials work manship and conforming to specifications at the time of shipment for a period of two years from the date of purchase During the warranty period any defec tive products will be repaired or replaced at KOMA Elektronik
6. ch you set the cutoff frequency for the filter simultane eee ules Se Oahu ously for all three filter characteristics Fully counter clockwise sets the cutoff CND 0 END 0 requency to the lowest and fully clockwise to the highest frequency a e CV a es pedal ow Bias Voltage igh Bias Voltage The RESONANCE slider sets the Q of the filter better known as resonance The resonance of a filter determines the gain increase of the signal at the cutoff requency Set it to LOW left to leave the signal gain at cutoff frequency at zero and slide it to HIGH right to hear plenty of resonance at the given cutoff fre quency Be aware of the fact that the filter might start self oscillating when you are at or near maximum resonance UNIPOLAR CV SIGNALS A similar thing happens to unipolar CV signals their point of origin OV is shift ed by the amount set with the corresponding knob In other words you add the voltage of your knob to the voltage of your incoming unipolar CV signal What will we do Once received we will examine the product for any obvious signs of user abuse or damage as a result of transport If the product has been abused damaged in transit or is out of warranty we will contact you with an estimate of the repair cost Warranty work will be performed and KOMA Elektronik will ship and insure your product to your address free of charge The sequencer is divided into two parts A control sectio
7. d to take another electronic part here common It reacts to rising edge triggers you move something towards the as vactrols proceeding one step whenever a A sensor the higher the CV raises trigger or gate signal arrives J You can set the sensitivity of the What is a vactrol Basically it s a light dependent resistor LD lt sensor with a small trimmer on the and a LED kissing each other under a lightproof plastic blanket back called Sensor The sensor When you send current through the LED it shines brighter there EXT CLOCK CLIOFF output is 0 8V fore the resistance of the LDR decreases and vice versa Vactrols CV Input RESONANCE SEO SPEED SCE O Ce SUCCES CCE Le A AAAA EEE a a A aa a are great for sound application because they are not prone to lt a distortion and are known for their soft and organic analog re Controls the amount of resonance sponse and sound in your given filter setting When ere CH SEQUENCER SPEED you insert a control voltage into Sequencers on the other side are great tools for modulation this input the RESONANCE slider The SEQ SPEED knob sets the possibly the most logical thing after a simple knob With the on determines the offset voltage speed of the sequencer the time board step sequencer you can twiddle with charming frequen it takes to go from one step to the cies and their resonant overtones or find a pretty pattern to go next one and at the same time through your tone With the sequencer ou
8. n and the actual se quencer itself The control section consists of the two knobs named SPEED and SEQ LENGTH The SPEED knob sets the speed of the sequencer which means the Bias Voltage time it takes to go from one step to the next one and at the same time also the set by knob duration of each single step On the scale that means 2 is the fastest 10 is the GND 0V slowest If you turn the SPEED knob fully counter clockwise you can turn the sequencer off with a click there s a built in switch in the potentiometer _ 9V How to initiate your warranty Please initiate your warranty online by sending an email to Original CV Signal CV Signal inside the pedal k support koma elektronik com Graphics by www rabadaun com
9. nput of discussion going on about different filter topologies their re the CUTOFF knob determines the Mi spective sound and how to electronically solve these differen offset voltage AUDIO IN Audio Input approaches At KOMA Elektronik we went for a very versatile filte architecture called state variable filter One of the advantages The main audio input of the FT201 p ute KOMA ELEKTRONIK this filter is that you have band pass high pass and lowpass Audio Output HI PASS FT 201 ANALOG FILTER 10 STEP SECJENCER The sound source plugged in here aracteristics available simultaneously for a given input Othe will go through the whole effects usically convenient advantages are the independently adjust The highpass output of the filter section ble Q resonance and gain that can be set without affecting her variables CV Input EXT cLock 4 O ere are two gain cells in the signal path of a voltage controlled SENSOR CVOutput ate variable filter so there are different approaches to repre Accepts clock signals for the se nt those gain cells Usually these gain cells are represented by quencer by overriding the inter 7 This is the CV output of the an IC called transconductance amplifier a small chip but for the nal clock set by the SPEED knob infrared motion sensor The closer T201 we decide
10. o another device ee ae INPUT GAIN QO oo to the lowest and fully clockwise to the highest frequency Sets the Q of the filter better Robert Kunz Hayden Moskowitz The INPUT GAIN slider of the FT201 S known as resonance The reso provides you with an adjustable S nance of a filter determines the gain to boost low level input sig Fa gain increase of the signal at the nals By sliding from left to right s cutoff frequency Set it to LOW you can boost your signal from f left to leave the signal gain at zero gain to 100 gain 0 to 20dB SEQ LENGTH o rE SENSOR cutoff frequency at zero and slide i it to HIGH right to hear plenty of The SEQ LENGTH knob is a rotary switch that lets you Emits a CV signal that can be connected to any resonance at the given cutoff fre FOOTSWITCH c m choose the length of the sequencer pattern from 2 CV input on KOMA products or for example your quency Be aware of the fact that 10 in other words on what step that the sequencer modular synthesizer or other effect unit By he filter might start self oscillat G E TT N G STA R T E D Heavy duty Alpha foot switch will go back to step 1 The currently active step is in moving your hand over the sensor you can con ing when you are at or near maxi turning the effect on and off dicated by a small red LED next to the step number trol the parameters of the CV input patched to it mum resonance 1 UNPACK
11. s option on a re turn to factory basis This warranty covers defects that KOMA Elektronik deter mines are no fault of the user CV Signal inside the pedal The FT201 s internal sequencer can officially only run from 2 10 steps Try to challenge this principle by setting the SEQ LENGTH controls to 1 We think this feature is very useful Original CV Signal The incoming bipolar CV signal is shifted around the voltage that you select with the corresponding knob Example if you insert a 5V to a 5V sine wave into the CUTOFF CV input you will get the following results while turning the CUTOFF knob F F AT U R E S BIPOLAR CV SIGNALS y _ 9V Returning your product You must obtain prior approval in the form of a RMA Return Material Authoriza ion number from KOMA Elektronik before returning any product Email us at Support koma elektronik com to request the RMA number All prod ucts must be packed carefully and shipped with the KOMA Elektronik supplied power adapter Sorry the warranty will not be honored if the product is not prop erly packed Once you have received the RMA write it on the box together with he word WARENRUCKSENDUNG and carefully pack your product ship the product o KOMA Elektronik with transportation and insurance charges paid and include your return shipping address The use of the filter section of the FT201 is pretty straight forward There is the Bias Voltage Bias Voltage CUTOFF knob with whi
12. teuer ID VAT ID DE285522050 Germany high and roll with it company of KOMA Elektronik B V Berlin Germany BASIC SETTINGS a KU Cmd ime enn m EET AUDIO AUDIOTO i i AUDIO AUDIO AUDIO OUT MIXER E i IN OUT IN coreensenerecemans Pununnnnnnnnnnnunnnnnnnnnnnn ie X z DAW gt a SEQUENCER ly yi Fi o Q o e Q w 0 O 0o Q oe O G a 10 z p F INPUT GAIN EFFECT ON OFF RESONANCE INPUT GAIN HOR RESONANCE Ae B z a OO OTC OO SZ OSCILLATOR 3 MIXER CHANNEL CLICK IN Patch the HI PASS output back into the AUDIO input to create an oscillator Take each output channel into its own channel on a mixer Use a loud click signal i e a short kick or rim shot to clock the sequencer Sequence the pitch and even hold the sequencer when you place to blend between each filter type manually of the FT201 via the EXT CLOCK CV input You can use a signal from your hand over the SENSOR that is patched into SEQ RESET your DAW or drum computer We offer a few examples Ableton Live and WAV format on our website SEQ SPEED 6 CUTOFF SEO SPEED de CUTOFF S20 SPEED 6 CUTOFF 6 4e 6 4 6 SEQ LENGTH SEQ LENGTH 3 2 2 T 2 2 2 2 2 o
13. tput on the patch bay also the duration of each single you can control other features of the pedal as well as other KOMA SEQUENCER STEPS a step On the scale that means 2 Elektronik pedals or synthesizers that accept control voltage is the fastest 10 is the slowest If The sequencer of the FI201 con you turn the SEQ SPEED knob fully Combining these two sound tools brings up a whole new variety sists out of 10 steps that you set HIGH counter clockwise you can turn defining your sound and playfully work with it Have fun with with the 10 small knobs in the the sequencer off with a click our new machine middle of the unit It is easy to r there s a built in switch in the i imagine these ten knobs ity G EFFECT ON OFF RE NANCE potentiometer lLthe best from Berlin plicates of the big CUTOFF knob Q s the amount set with the little se g The KOMA Elektronik Team quencer knob of the active step is K KS added to the current setting of the teann Q CUTOFF CUTOFF knob or in other words You can shift the sequencer CV up Sets the cutoff frequency for the i and down with the CUTOFF knob filter simultaneously for all three f onfek S similar to setting a bias voltage filter characteristics Fully counter vy for incoming CV signals You can clockwise sets the cutoff frequency _ use the sequencer CV Output on Wouter Jaspers Christian Zollner the patchbay to controls another function on the FT201 with CV or send it t
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