Modulation & Random wave / cv generator with four connected triangle lfos / 4 HP ⇣ This LFO, harnessing four interconnected LFOs, offers a powerful tool for dynamically altering CV destinations in rhythmic patterns. Its synchronized modulation brings intricate rhythmic control to your creative endeavors. 1/3 key features 4x LFO Out 4x LFO Rate Rate Switch Skiff friendly Wrong polarity protection Illuminated Wave -Logo specs & downloads width: 4 HP depth: 28 mm power: 34 mA @ +12V / 25 mA @ -12V documentation videos description / manual The rate of each LFO may be adjusted with the dedicated potentiometers. Each LFO signal is supplied on the four outputs on the bottom side of the module. Depending on the potentiometer settings also slopes or square- wave s can be generated. Please refer to the demo video below. The fours LFOs are connected to each other creating an LFO-chain. If the first LFO reaches its highest value, the second LFO starts to rise. And when the first output reaches its lowest voltage, the second channel starts to decrease and so on. Each potentiometer controls the time it takes for the LFO to reach its maximum voltage, which also controls the time it takes to reach 0 volts for its inverted counterpart (1&3 and 2&4). Simultaneously the pots control the time the other two LFOs hold their maximum voltage level. Patching all LFOs into a VCO´s sound shaping functions you can create wave -like sounding effects that will repeat periodically. This module is very good for generating very slow cycles when the RATE switch is set to SLOW. Conversely, it can also generate fast cycles when the switch is set to FAST. The state of each LFO is being indicated by the illuminated letters W A V E on top of the module. Each letter will light up when its dedicated LFO outputs a voltage. prev Up next

Oscillator boba fat / dual analog drum generator / 14 HP ⇣ At its core, Boba Fat features two oscillators that empower producers to easily craft both earth-shaking sub-basses and delicate, enveloping kicks. BOBA_BACK_NEW.jpg 1/3 key features Analog Drum Generator Designed for Kick- and Bassdrums Two Voices: Soft Mallet and Hard Mallet Each Mallet may be triggered independently Internal LFO with Sync Volume and Boost per Voice Groove CV Input „Vari“ for Hard Mallet Mod CV Input for Soft Mallet specs & downloads width: 14 HP depth: 28 mm power: 95 mA @ +12V / 65 mA @ -12V documentation videos description / manual BOBA FAT is a dual voice bass- and kick-drum generator. The first voice "soft mallet" generates smooth and warm sounding bass and sub-bass sounds, whereas the second voice "hard mallet" is rather considered to create kick or tom sounds. The eight potentiometers on the left control the soft mallet generator. PITCH controls the frequency, LEVEL the volume and BOOST adds low frequencies turning it clockwise and reduces them turning it counter-clockwise. MOD RATE and MOD ATT control an internal LFO and its attenuation. The LFO will affect the frequency of the soft mallet voice only. Additionally the LFO can by synced to the incoming gate or trigger. TRIG SLEW acts as some kind attack control and reduces transients making it very easy to create very smooth sub-bass drums. DECAY and RELEASE control the duration of the sounds being amplified by an internal VCA. PRESENCE changes the prominence of the sound. You can adjust the response by setting a jumper on the back of the module to either FAST or SLOW, optimizing the soft mallet circuitry for sharper, plucky tones or deeper, sustained bass sounds. The three potentiometers on the very right affect the hard mallet generator. PITCH, LEVEL and BOOST have the same function as for the soft mallet part. PITCH will have a greater effect from 12 to 5 o´clock. Changes from 7 to 12 o´clock are rather subtle, but are set on purpose to add fine nuances with LEVEL and BOOST there. OUT VOL changes the overall loudness of both drums. GATE accepts any gate or trigger signal to activate the generators. A signal at only at GATE will trigger both mallets. If a additional trigger is inserted to GATE S, GATE only triggers soft mallet and GATE S triggers hard mallet separately. This way you can have individual drum tracks for both mallets creating very interesting rhythms. A CV signal at MOD CV will override the internal LFO and CV control soft mallet pitch. It doesn‘t exactly track 1V/oct, but you will be able to play some melodies. A trigger, gate or clock signal at MOD RST lets you reset the internal LFO with an external signal. Any CV signal at VARI will slightly alternate the volume or generate additional triggers for the hard mallet circuit (depending on the incoming voltage). This gives you endless ways of creating fine grooves and interesting rhythms. The circuit was designed to easily go into distortion/clipping to encounter the limits. You may be careful using LEVEL and BOOST controls. Boba Fat definitely needs some fine adjustments in order to find the sweet spots. If you feed the GATE input with a trigger at audio rate you can also use BOBA FAT as a weird sound generator or drone machine. prev Up next

Filter & EQ franz / analog multimode filter with lfo and cp3 mixer / 10 HP ⇣ Experience the ultimate sonic bliss with this filter featuring a smooth, buttery tone that wraps your sound in warmth. The integrated LFO adds rhythmic pulsations, while the CP3 mixer ensures seamless blending of your audio sources. 1/3 key features Analog OTA Filter 4 Filter Outputs: Low Pass, High Pass, Band Pass, Notch Internal LFO with two Waveforms: Triangle & Square LFO Reset,LED indicating LFO rate, LFO normalized to Filter ircuit Apply two LFO waveforms at the same time Attenuator for each LFO Wave or external CV 3-Channel Transistor based Mixer MIX out to use the Filter as a single Mixer Block Volume control for each Mixer Channel Wrong Polarity Protection specs & downloads width: 10 HP depth: 38 mm power: 83 mA @ +12V / 72 mA @ -12V documentation videos description / manual The filter is based on the CA3080 chip and offers four different outputs: Low Pass High Pass Band Pass Notch Tweak the dedicated knobs to finely tune the CUTOFF frequency and RESONANCE according to your preferences. This versatile module not only features a filter circuit but also houses a resettable LFO, offering both TRIANGLE and SQUARE waveforms. The LFO is internally linked to the Filter CUTOFF, modifiable using the CV1/TRI and SQU/CV2 knobs. These waveforms can be simultaneously utilized and reset via an external trigger. The automatic normalization of each LFO waveform disengages upon connecting an external CV source to the CV1 or CV2 input jacks. Adjust the LFO Rate using the designated potentiometer, with its speed indicated by a dual-colored LED. For waveform layering, a transistor-based 3-channel mixer is conveniently situated at the module's base. The mixer's sum directly feeds into the filter and is also routed to the MIX output jack. Precisely control input volumes per channel (VOL1-3) and collectively adjust them along with the filter INPUT potentiometer. prev Up next

Modulation & Random hapha / compact locked random voltage / 3 HP ⇣ HAPHA is a valuable tool for enhancing the organic and enjoyable qualities of your patches. This module generates a synchronized random voltage, tied to an external clock signal, and offers the option to stabilize this voltage into a fixed sequence. It's particularly useful for controlling filters and other sound-shaping parameters in your modular system. 1/3 key features Random Gate and CV Clock Sync Lock CV and Gate to a Sequence External CV Input Skiff friendly Wrong polarity protection specs & downloads width: 4 HP depth: 30 mm power: 25 mA @ +12V / 18 mA @ -12V documentation videos description / manual The idea was to generate random sequences by turning a knob. When you turn the LCK knob, a voltage between roughly +9V and -9V is passed to a shift register with an R2R digital-to-analogue converter, which stores the voltages from the pot with each clock signal. Depending on how the control is turned (range and speed), different voltages are sampled, resulting in a different CV and gate sequence. The SER input allows the use of external voltages which are passed to the shift register (mixed with the voltages from the potentiometer). The switch enables or disables the external voltage from the SER input. To use it, simply connect a clock signal to the CLK input. HAPHA will then produce a random GATE signal at the upper output socket and a random CV signal at the lower output socket. You can create and lock a new sequence of voltages and gates by adjusting the LCK knob, and an LED indicator will show when a voltage change occurs. For additional control, if you move the SER switch to the right, you can patch an external voltage (audio or CV) into the serial input SER which will directly influence the random voltages at the outputs. With an external voltage patched, you can still change the sequence by turing the LCK pot. prev Up next

Oscillator alstaden / analog waveshaping oscillator / 16 HP ⇣ ALSTADEN is your source for harsh and harmonically rich sounds. It is a newly developed waveshaping tone generator and resembles the secondary oscillator of the semi-modular synthesizer „EUPHORIA“. 1/3 key features Analog Oscillator with 5 Waveforms CV Waveshaper and VCA EQ and External Inputs Level-Potentiometers Linear and Exponential FM specs & downloads width: 16 HP depth: 30 mm power: 75 mA @ +12V / 65 mA @ -12V documentation videos description / manual The waves are formed by a combination of diode clipping and folding of the waveform by adding mirror images of the upper and lower parts of the waveform. This creates more high harmonics and interesting timbral variations. It also features an equalizer, which is quite unusual for oscillators, but offers more sonic possibilities. The oscillator module offers five different waveforms WAVE A, WAVE B, PULSE, SUB and SINE. The level of the individual waveforms can be adjusted with sliding potentiometers. The range of the levels depends mainly on the gain you set during calibration. Distortion can easily occur in the upper positions of the sliders if you have set the gain high. The pulse width of the PULSE waveform can be changed manually with the PULSE PWM knob. There is also a CV input CV PWM with its own attenuator to control the pulse width via CV. At the heart of this oscillator are the two waveshapers WAVE A and WAVE B. Harmonics are added by wavefolding and can be changed by turning the SHAPE A and SHAPE B knobs. Additionally there is a CV input CV SHAPE A1 and CV SHAPE B1 with an attenuator each for voltage controlled wave folding. WAVE B has a second CV input without attenuator that allows even more control over the wavefolding state. The SUBOCTAVE has two stages of -1 and -2 octaves. Select your preferred division with the help of the SUB -1 and SUB -2 on/off switches. Unexpectedly, you can equalize the output of the oscillator with the TONE control. It accentuates either low or high frequencies of all waveforms before they are fed to a internal VCA. The INTERNAL VCA can be controlled via the ENV IN socket. Patch any CV here to change the level of the main output. Additionally, there is also a FM input. You can apply exponential or linear FM by feeding any (preferably high frequency) voltage into the FM input. Select an FM type with the EXP/LIN switch. If you set the switch to the middle position, no FM will be applied. V/OCT is the input for the application of a pitch CV. The pitch can be controlled manually with the PITCH and FINE potentiometers. EXT IN A and EXT IN B are audio inputs that allow you to use the oscillator as a waveshaper for external signals. When a jack is connected to these inputs, the corresponding internal waveform is switched off. The external signals will also be routed through the level potentiometers, EQ and VCA. Further details can also be found in the ALSTADEN QUICK START GUIDE: ALSTADEN_QUICK_START .pdf Download PDF • 1.70MB prev Up next

Effects 3xeq / triple tilt eq / 4 HP ⇣ 3xEQ presents a row of three "One Knob" Tilt EQs, accompanied by an extra Mix Output. This module offers a streamlined solution for shaping waveforms, enriching basslines, refining hats and noises, and harmonizing elements within your mix. 1/3 key features 3x Tilt EQ Change Low and High Frequencies with just one Knob Mix Output Input Normalization for parallel EQíng Wrong Polarity Protection specs & downloads width: 4 HP depth: 28 mm power: 26 mA @ +12V / 24 mA @ -12V documentation videos description / manual Each EQ will boost high frequencies and cut low frequencies when turning the pots clockwise and vice-versa when turning them counter-clockwise. Each input can be processed individually, but you may also take the sum of 2 or all three eq´d inputs from the Mix Output. The first Input is normalised to the other two inputs. Thus its possible to use all three EQs on one signal in parallel. prev Up next

1U Module ap / cv gate swap & switch / 14 HP ⇣ AP can be used to switch signals on and off or sw ap them between two destinations. 1/3 key features Swap & Switch CV Gate activates Switch Manual Switch LED Indication Available in Intellijel Format Skiff friendly specs & downloads width: 14 HP depth: 30 mm power: 19 mA @ +12V / 14 mA @ -12V documentation videos description / manual When a gate signal is ap plied to the GATE input IN B is connected to OUT A and IN A is connected to OUT B. When the gate signal is low, IN A goes to OUT A and IN B is connected to OUT B. You can also switch the signal manually using the latching switch in the middle of the module. If nothing is connected to IN A, +5V are provided at the active output socket. This way you can use AP as a manual gate or as an alternating gate trigger for two targets. prev Up next

Mixer & VCA spm / 3-channel spread mono mixer / 4 HP ⇣ SPM becomes particularly valuable as it enables the dispersion of two mono signals throughout the stereo field within an audio mix. This capability proves instrumental in tidying up the overall mix, resulting in a more expansive and enjoyable auditory experience for listeners. 1/3 key features Analog Mixer 3 Mono Channels Pan CH 1&2 with one Knob Skiff friendly Wrong polarity protection specs & downloads width: 4 HP depth: 30 mm power: 19 mA @ +12V / 11 mA @ -12V documentation videos description / manual SPM is a 3-Channel Mono Mixer with three volume potentiometers. The gain per channel can be adjusted with trimmers on the board, making this mixer suitable for line and Eurorack levels. In addition, you can pan channel 1 and 2 with the SPREAD potentiometer and thus spread both channels in the stereo field to the left and right in opposite directions. In the centre position, all channels are panned to the centre. If you turn the potentiometer to the left, channel 1 is panned to the left and channel 2 to the right and vice versa. This is very useful to quickly clean up a mix and widen the sound spectrum in the stereo field. prev Up next

Modulation & Random zeitreise / sample & hold, slew limiter and meandering cv generator / 6 HP ⇣ ZEITREISE is about the slow sequence of events that helps to take voltage on a journey through time. Its your perfect tool for creating slow and unpredictable parameter changes via control voltage. 1/2 key features Clock Generator Sample & Hold Slew Limiter 3x Slowly Meandering CV Noise Generator Internal Normalizations Skiff Friendly Wrong Polarity Protection specs & downloads width: 6 HP depth: 30 mm power: 60 mA @ +12V / 45 mA @ -12V documentation videos description / manual ZEITREISE is the German term for "time travel" and the time in this context is a clock signal that is set using the S&C CLK potentiometer on the top of the module. It´s rate can be as slow as 0.2 Hz ( approximately 12 bpm) and as fast as 21 Hz (approximately 1,236 bpm). This clock signal is sent to the internal Sample & Hold (S&H) circuit. A S&H circuit in modular synthesizers captures and holds voltage samples at specific intervals, usually triggered by an external clock, creating a stepped output that is useful for generating random or sequenced voltages for modulation. With ZEITREISE, any voltage applied to the S&H CV input is sampled, held and output to the S&H OUT socket with each clock pulse received, either externally via the S&H CLK input or, if this input is not patched, via the internal clock generator. You can reduce the voltage applied to the S&H CV input with the corresponding attenuator. The S&H output is forwarded to a slew limiter. A slew limiter smoothes or limits abrupt voltage changes and ensures controlled slew rates of the input signals, resulting in smoother transitions and curved waveforms for modulation and sound shaping. The amount of slew rate that attenuates the voltage changes can be increased by turning the SLEW IN potentiometer to the right. You can also feed external CVs, such as pitch voltages, into ZEITREISE via the SLEW IN socket. This allows you to create a portamento effect for tonal sequences. Below the S&H and slew limiter you will find three meandering CV outputs REISE EINS, REISE ZWEI and REISE DREI that slowly change their voltage levels (+0V to +8V). The voltages come from different stages within the same circuit. Take these voltages from the REISE outputs and reduce their voltage levels with the appropriate attenuators. Please note that the LEDS display the voltage levels before the attenuators to provide better feedback on the status of each REISE output. These voltages are great for slowly controlling external parameters such as sample playback points in samplers, filter cutoff frequencies or timbre and harmonics in oscillators. There is an additional output at the bottom, which supplies either the clock from the S&H CLK input (patched or normalized) or white noise. You can select one of these outputs using a jumper on the back of the module. ZEITREISE QUICK START GUIDE: ZEITREISE_QUICK_START .pdf Download PDF • 566KB prev Up next

Utilities & PSU stereo total / mono to stereo converter, stereo width controller and imager / 4 HP ⇣ Mono: the original black and white movie. Stereo: the epic 3D blockbuster. Let's face it, mono might be the classic, but stereo is where the party's at! STOTAL_BACK.jpg 1/3 key features Mono to Stereo Converter Stereo Width Controller Stereo Imager Buffered Input Multiple Two Separate Stereo Processing Blocks Wrong polarity protection specs & downloads width: 4 HP depth: 25 mm power: 15 mA @ +12V / 10 mA @ -12V documentation videos description / manual STEREO TOTAL is a Mono to Stereo Converter, Stereo Width Controller and Imager. It consists of two building blocks. The first block A is a Stereo Simulator that creates a stereo signal from an incoming mono signal. This is done by splitting the mono signal in two separate signals, passing the left through an R-C network to reduce mid range frequencies and the right through an operational amplifier in differential mode to obtain an output as a difference to L. Knob A STEREO DEPTH controls the depth of stereo, but also places the signal within the stereo field. Because the signal is filtered, mid range frequencies will be changed as you turn the knob. Additionally the incoming mono signal is multiplied (buffered) and a lossless copy is available at the MONO OUTPUT jack in order to allow further mono signal processing. The second building block B is a Stereo Width Control that allows you to change a stereo signal from mono to wide stereo. This is achieved by summing both signals L and R to create a mono signal when knob B STEREO WIDTH is turned fully counter-clockwise and by splitting them via complete negative crosstalk, when the knob is turned fully clockwise. Fully clockwise the stereo signal contains no centre image at all. Initially the module was designed to be used with mono signals only, but you may also use both building blocks separately. You can convert a mono signal to stereo with block A while you can also change the stereo width of another stereo signal with block B. You can also independently convert two mono signals to stereo using both blocks at the same time (you need to patch a dummy cable to the right channel of stereo input B to disconnect both blocks). A mono signal to block A will run through both blocks when nothing is patched into the block B stereo input jacks. prev Up next

Filter & EQ natural state / dual envelope ducking filter / 16 HP ⇣ Natural State consists of two 24db filters with a CV decay envelope and an internal LFO. It is designed to filter two waveforms in the most ear-friendly way possible to create natural and organic sounding grooves and soundscapes. 1/3 key features Dual Filter Dual Envelope Decay CV Filter CV Filter Ducking Internal LFO normalized to Filter CV Envelope Output Slider Pots Wrong Polarity Protection specs & downloads width: 16 HP depth: 28 mm power: 81 mA @ +12V / 55 mA @ -12 documentation videos description / manual Each of the two channels has a DECAY slider that adjusts the decay length, an OPEN slider that adjusts the filter cutoff, and a FORCE slider that adjusts the amount of decay CV that affects the filter. The STRIKE input takes any CV from +1 volt and triggers the decay envelope. Both the decay and the filter cutoff can be controlled via the CV inputs DECAY and CTRL. Attenuators can be used to change the strength of the applied CV. The decay attenuator also acts as a DECAY CV offset. A subtle internal LFO can be routed to the filter cutoff, which is attenuated with the CTRL controls. The LFO range is rather slow to create smooth filter sweeps. The resonance of the individual filters can be changed with the PEAK potentiometers. When the DUCK control is turned to the right, the decay of the left channel increasingly suppresses the signal of the right channel, creating a ducking effect. Both decay envelopes are also routed to the ENV sockets for further external processing. NATURAL STATE QUICK START GUIDE: NATURAL_STATE_QUICK_START .pdf Download PDF • 764KB prev Up next

Oscillator drum / digital drum module / 3 HP ⇣ DRUM is an excerpt of the Mutable Instruments PEAKS module. It was reduced to the max and only focuses on the 808 and FM Drum algorithms. 1/3 key features Digital Drum Module Two Modes: 808 & FM Manual and CV Trigger HP friendly Flip Panel with Descriptions for each Mode Based on the MI Peaks Algorithms Wrong Polarity Protection specs & downloads width: 3 HP depth: 65 mm power: 60 mA @ +12V / 2 mA @ -12V documentation videos description / manual There are two modes to be selected via a push button on the PCB: 808 DrumThis is an emulation of the well-known 808 kick drum. You have manual control over the FREQUENCY, PITCH ENVELOPE, TRANSIENT and DECAY. FM DrumThis is a digital drum synth based on FM synthesis. By turning the knobs you can change the FREQUENCY, FM AMOUNT, DECAY and COLOR of the drum sound. DRUM has an internal EQ that allows you to adjust the amount of bass applied to the signal using a trimmer on the PCB. This module also has a flip panel with descriptions per mode on each side. Both modes share a manual TRIG button to execute the drum sound, a TRIGGER INPUT and a signal OUTPUT. Released under cc-by-sa-3.0 license: Pichenettes Mutable Instruments prev Up next