M.r.l. Chatterbox Resonator User Manual
Contents
1. a Tar 9 a i 1 D 1a Ci 1a Cl 12 UNISON MS FREE RATE SPREAD ATTACK E a MORPH functions filter Ifo e b MODE vowel Chose the one you like and than e turn KNOB 1 to LOAD e turn KNOB 2 to SAVE e turn KNOB 3 to CANCEL exit without saving or loading any setting chatterbox resonator AD triple multimoderesonant filter UNISON MS FREE DEPT SPREAD filter MODE lfao vowel for store a setup hold on the FUNCTION button and turn the save pot saving is confirmed by the 3 blinking leds chatterbox resonator Chr 2 triple multimode resonant filter 3 5 f doad 4 6 of EP F l 1 a m at 3 gt f j _ nl a Ta 1 5 a a 4 k D 0 10 5 10 The om 2 3 W F MS FREE 3 DEPTH SPREAD ATTACK filter lfo vowel MODE chatterbox resonator Cbr 2 triple multimode resonant filter EXIT J 4 bl 4 5 amp a ae is 4 O i 7 L T 17 i T m i p i i 8 Cag i ar 15 ar 1 a 43 4 D 10 i 10 pe 10 UNISON p 2 3 filter functions MODE lfo vowel DEFAULT MEMORY MODE CBR 2 contains two default memories that are loaded at the start up these contains the matrix parameters and the LFO parameters To update these parameters hold the function button and rotate the second pot to save2. simply turn the LFO on and off filter fo e Ge le gt ae vowel LFO can also be triggered by an external CV signal going thru MOD IN LFO will turn on whenever a signal of about 1V or over will be present at the MOD IN input To activate the trigger with MOD IN hold on the FUNCTION button from filter or vowel mode and then switch to LFO mode ATTACK eta vona l For return to normal operation of MOD IN simply turn the DEPTH pot to zero 14 MEMORY MODE The Chatterbox Resonator has an useful feature for recreate complex settings lt can save and load e 3 patches containing filters its Ifo settings e 3 patches containing vowel its Ifo settings e 1 patch containg a combi of the filters and vowel settings with their own Ifo To access this function to save load a filter setting switch to filter resonator than Press and Hold FUNCTION and turn the black knob 4 to select the memory location respectively from filter mode or vowel mode chatterbox resonator Cbr 2 triplemultimoderesonant filter UNISON MS FREE VOWEL VOWEL2 filter Ifo e Y Ee vowel As you can see the memory locations are represented by the 3 blinking leds on the left chatterbox resonator Cbr 2 triplemultimoderesonant filter SELECT MEMORY 4 amp a vo y i 7 J a 7 J qr 7 ks i ay Sal ie Eeim i i r i 5 i a E a a i
3. Frequency Cutoff Knob 2 inactive Knob 3 inactive Knob 4 mode switch the unison mode is useful for classic purposes like a steep resonant lowpass filter to get deep bass sounds an aggressive bandpass for sequences and lead sounds for example chatterbox resonator Cbr 2 triplemultimoderesonant filter Tht oe MS FREE filter Al functions toe 0 e Ow vowel a MASTER SLAVE The master mode let the three filters work in parallel mode the first filter set the master cutoff frequency Knob1 the other filters cutoff controls knobs2 amp 3 set the distances between the master freq ilter1 and the other two cutoff frequencies filter 2 amp 3 making the first cutoff move the three filters with a fixed relation Knob 1 Frequency Cutoff Master Filter 1 Knob 2 Frequency Cutoff Filter 2 Knob 3 Frequency Cutoff Filter 3 Knob 4 mode switch This mode is useful to get complex multimode resonating sounds that can be tracked by keyboard control chatterbox resonator Cbr 2 triplemultimoderesonant filter Master gt Slave gt Slave 44 4 4 j 4 UNISON MS FREE filter lfo vowel FREE The free mode let the filters work indipendently in parallel mode Every filter works by itself and is not linked with the others Knob 1 Frequency Cutoff Filter 1 Knob 2 Frequency Cutoff Filter 2 Knob 3 Frequency Cutoff Filt
4. M r l Chatterbox Resonator User Manual Mad Rooster Lab CBR 2 User manual Rev 1 0 QUICK START CHATTERBOX RESONATOR CBR 2 TRIPLE MULTIMODE RESONANT FILTER on 6 6 1 2 3 4 Filter Mode Matrix i Bosses RATE TRITO ee oe ee FT RND Mode a FILTER RA i eo Oam MODE BP VOWEL u t A IN rae ar a RESONANCE moo 4 G 9 Filter Modes INPUT OUT Vow IN RES wie F F3 bt Mode Analog Pots Audio In out CV inputs Gamm FEATURES 100 Analog audio path and filters design 2 modes Filter with LP BP HP and Vowel mode Built in LFO for self modulation Digital controlled matrix with led indication for easy control CV controlled Resonance global modulation 1 CV for each filter CPU controlled filters in vowel mode for an exact vocal tuning Vowel mode with 3 CV modulation Vocal Morphing From to and Random Linear transition between LP and HP with switch for BP Standard Eurorack format and power 2 THE MODULE The Chatterbox Resonator is a full analog audio path multimode and vowel filter with a digital microprocessor controller So the audio path is fully analog hand made with T H Technology the digital side has only the duty to control the filter modes and is used to generate a digital LFO and store programs The module consists of 3 12dB self oscillating multimode state variable filters that can work in different combinations The filter ca
5. er 3 Knob 4 mode switch This mode is the classic resonator filter chatterbox resonator Cbr 2 triple multimode r esonant filter 4 The om NMS FREE filter 1 functions io e ip vowel F Important note In multimode resonator the MOD LEV amp MOD CV IN are not processed by the microprocessor to get an ultrafast response to incoming modulations However the three CV IN that controls the filters freq are directly linked to the circuit The Resonance CV input has a particular behaviour it adds resonance value to the resonance set by the pot This means that if you turn the resonance pot to max you can get an higher resonance level using the res cv in because the two values will be added VOWEL MODE selecting the bottom row in the matrix the filter will work in the vowel mode a powerful mode for creating vocal like sound The Vowel mode works well using the Bandpass Mode and mid to high resonance values 5 10 this setting is useful to bring the filters interaction to generate the harmonic content useful to create the classic vowel sound MORPH The first submode of vowel mode is called MORPH or morphing In MORPH mode all the black pots are active except the second one In this mode you can make linear transitions between a vowel and the other using the first potentiometer Using the FORMANT pot you can shape the vocal formants allowing you to imitate the voice of a chi
6. function is indicated on the panel They work as a hook relative value encoder so when you turn the knob it will hook the value and then will act as a classic potentiometer The 4 COLOURED knobs are analog pots so what you see is what you get e IN LEVEL attenuator for the audio input e MOD LEV attenuator for the modulation input e RESONANCE the resonance control pot e Green Knob let you fade from lowpass to highpass filter mode e BP SWITCH bypass the green knob and select the bandpass filter mode The MODE SWITCH just switch between the row of the matrix so let you select the filter mode and jump in the Ifo section control The CONNECTIONS The first couple of jack are the audio connections the IN and OUT The second couple of jacks are the cv mod in connectors the first MOD IN is linked to different parameter depending on the Filter MODE while the second is directly connected to the resonance amount The last three jacks on the right in the black section are the 3 filters frequency cutoff cv and they are directly linked to the analog circuitry they are not processed by the microprocessor MULTIMODE RESONATOR FILTER MODE selecting the upper row in the matrix the filter will work in the multimode resonator mode UNISON This filter mode stacks the three filters in unison getting a 36dB resonant multimode filter In the UNISON mode only the first and the last black knobs are active See image below Knob 1
7. ing the MOD IN pot in level modulation resonance 4 7 44 6 4 4 6 1 _ al 3 nail _ B 1 7 x ae ay _ m a ar Fa T ra i 1 L FF 1 m F i y D E 16 ch 6 Note The internal LFO in this mode modulate the FORMANT parameter 10 LFO MODE With the switch in the middle position of the matrix you can change the LFO setting for both the filter mode and vowel mode in this mode all the 4 black pots are active chatterbox resonator Cbr 2 triple multimode r esonant filter functions filter ifo e vowel MODE UNISON MS FREE Coming from the VOWEL mode you can change the LFO parameters for the vowel DEPTH SPREAD ATTACK apisanit MORPH filter functions to C 11 The first parameter DEPTH control the LFO amplitude RATE control the speed of the LFO 12 The third parameter called SPREAD is only active in the FILTER mode in this mode the phase of each LFO can be shifted to obtain some interesting effects but remember this parameter is only active in FILTER mode vowel mode use only one LFO SPREAD SPREAD SPREAD The last parameter ATTACK control the LFO amplitude over time ATTACK ATTACK ATTACK 13 Is it possible to trigger momentarily the LFO pressing the FUNCTION button this will work in both filter and vowel mode the DEPTH rate and all the other parameters of the LFO can be selected from the LFO the FUNCTION button will
8. ldren or an adult for example In MORPH MODE both the MOD IN and the internal LFO control the VOWEL1 parameter chatterbox resonator Cbr 2 triple multimode r esonant filter TE Pare MORPH filter functions lfo i wane tl MODE e FROM TO In the second submode called FT all the black pots are active In this mode you can quickly switch from one vowel to another using a CV incoming signal or using the internal LFO The first two pot called VOWEL1 and VOWEL2 select the two vowels used for the transition FORMANT act as in the MORPH mode chatterbox resonator Cbr 2 triple multimoderesonant filter Bo T nomat MORPH VOWEL1 VOWEL2 FORMANT ET RND filter funetions toe Gels Or vowel Pan r The transition is controlled by an incoming CV signal thru MOD IN pot in level modulation resonance 4 EA amp 4 3 3 F 1 F j hy F T a i i Ia ri Fe aT TO T a Ti F Ta 1 i i 8 D aa T P Pa a hy Fi a i W 4 1 L F k w E 10 E 16 ch 16 RANDOM The last submode as the name say act as a casual transition between all the different vowels in this mode only the last two pot to the right are active chatterbox resonator Cbr 2 triple multimode r esonant filter E a F ke7 Iaa J y T ms iy D 10 5 1 2 e FORMANT filter iunetions ifo MODE vowel i The random factor is a CV controlled parameter us
9. n switch between two main modes e Multimode filter resonator e Vowel Filter The first mode MULTIMODE RESONATOR involves 3 combination e UNISON the 3 filters work in serial creating a 36dB multimode filter e Master Slave the 3 filters work in parallel as 3 resonator with 12dB oct slope with the first set as master frequency and the others as slaves filters e FREE the 3 filters work indipendently in parallel as the previous mode but without any link between the filters The second mode the VOWEL MODE acts as an evolved vocal filter with 3 combinations e MORPH the vowel can be manually changed and the formant can be morphed thru CV control e From To allow to set the two vowels that set the range for the modulation than thru cv control the filter will move between these two points as an modulation e RANDOM RND allow to set the two vowels that set the range for the modulation as in the previous mode but in this case the cv will scroll random beteen the two points The filter can switch from one mode to the other via the control switch in the matrix LFO We added a digital LFO as a duty Ifo to make modulations without using CV modulators or to get easily into complex modulations adding the duty Ifo to cv modulators The KNOBS The 4 BLACK knobs on the upper side are 3 Encoder Controllers each of them is associated to a particular function depending on the filter mode selected The
10. oscillation creating interesting effects or becoming an oscillator 19
11. the new setting this will store the updated parameters whether you are in filter mode or vowel mode chatterbox resonator Cbr 2 triplemultimoderesonant filter Tice em MS FREE VOWEL1 VOWEL2 filter J ifo b MODE EnA l Note Is only possible to save setting of the black pots LEVEL IN MOD IN RESONANCE and FILTER MODE can t be stored as they are analog controls 17 INSTALLATION CBR 2 is designed to be used within the euro format modular synthesizer system Euro rack For more info about this format please go to www doepfer com It requires 100mA of 12 12 using the standard 8X2 flat connector where the red line is the negative voltage 12 see the picture below To install the module in your Euro rack system requires 18HP 9cm of space M r l decline any responsibility for harm to persons or apparatus caused by an incorrect operation installation of this module M r l is NOT responsible for harm caused by a DIY enclosure and or power solution BLOCK DIAGRAM Resonance Res cv 0 gt G gt Mode see eeFunctions CBR 2 For any question comments or request please contact info madroosterlab com 18 TIPS AND TRICKS Increase the resonance level through CV Resonance level can be increased beyond the value of the potentiometer using a CV signal in the appropriate input RES CV in this way it is possible to obtain higher levels of resonance up to self
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