Utilities & PSU pow! / usb power supply unit / 3 HP ⇣ POW ! is a 3HP USB Pow er Supply Unit for Eurorack. 1/3 key features USB PSU for Eurorack 300mA +12V 150mA -12V 500mA +5V from USB On/OFF Switch LED indication Skiff friendly specs & downloads width: 3 HP depth: 25 mm power: +5V USB-C Power documentation videos description / manual With this compact module, you can power your Eurorack modules from any +5V USB source. Simply connect a USB-C cable to the onboard jack. The module provides up to 300 mA at +12 V and 150 mA at −12 V via the 2×5 header on the underside of the PCB. Use a standard Eurorack power cable with 2×5 female connectors on both ends. A built-in switch lets you turn the power on and off. The status LED shows when the unit is active. Designed for small setups, this PSU is ideal for one or two modules in compact DIY cases. If you are interested in a PCB-only version, please take a look at POW! PCB: → mini power supply unit for eurorack modules / PCB only prev Up next

ST Modular is recognized for its DIY Euroack Modules that enable users to construct their modular synthesizers utilizing provided PCBs and self-obtained components. The range of modules offered encompasses oscillators, filters, sequencers, LFOs, envelope generators, and more, all designed by ST Modular to be exceptionally versatile. These modules facilitate a broad spectrum of sound manipulations and modulation avenues. NEW! RATTLECORE PCB PIEZO PRE-AMP WITH HIGH-PASS FILTER / PCB ONLY NEW! PASSAT PASSIVE ATTENUATOR / 0HP NEW! HONEYEATER V3 CEM3340 ANALOG VCO WITH SUB-OSCILLATOR / 6HP appetizer social media youtube modular grid instagram tiktok krakong euphoria Up

Whether it's the 3U Eurorack, 1U Eurorack, desktop synthesizer, music tools, or discontinued devices – this page showcases all the module designs by ST Modular. ALL MODULES AT A GLANCE Whether it's the 3U Eurorack, 1U Eurorack, desktop synthesizer, music tools, or discontinued devices – this page showcases all the module designs by ST Modular. oscillators filter & eq sequencer st case (3dp) modulation & random effects mixer & vca utilities & psu 1U format blank panels zero hp euphoria krakong midi thru cv bench workbench rattlecore hum protector workmates discontinued oscillators oberhausen eurokastle honeyeater alstaden chiasso V2 cyllene give V2 trommelmaschine boba fat drum klangmaschine pyxis hh radio kau'i yaksha´s fate ⇡ cinco filter & eq natural state efi stereo eq envoltura rocinante´s gate werner dirty dan franz hans karl 3xEQ ⇡ sequencer chasing lights push shikensa serial flitzem deför isi wren path hapha ⇡ modulation & random influencer slopes zeitreise cv expert cion lfor wave clanches envoltura lfot envelope tryfelo 2xlfo adsr yace good & evil tricay catch ⇡ effects clipping cat inaki emoo gritzner reverb stereo comp delay singer diz buff ⇡ mixer & vca sum mix & pan stereo sum duck feed sum v2 vca send stm μsum scva phoebe spm fay v2 mia matrico ⇡ cuerly utilities & psu pae da sl pow! pedal pal pedal pal stereo usb stereo total controller cv pan switched cause & effect uit once in a while two sides toolbox mult cv scan ⇡ 1u format lange anna & anna´s langer arm ap cause & effect mia slide toolbox ⇡ blank panels 1 HP 2 HP 4 HP 8 HP ⇡ st cases (3D-printable) 42 HP 20 HP ⇡ ZERO HP is a series of ST Modular devices that are not mounted in a Eurorack case. They don't take up precious HP and can be placed on your desk to expand your Eurorack or synthesizer setup. Some are USB-powered and some are passive, like the much appreciated WORKMATES. workmates pix combiner touch swap clipping cat lpg split trs switch eq attenuator ⇡ midi thru ⇡ rattlecore ⇡ pow! PCB ⇡ hum protector ⇡ cv bench ⇡ workbench ⇡ Up

Modulation & Random envelope / cv envelope generator / 12 HP ⇣ ENVELOPE presents a classic ADSR/AR envelope generator elevated by advanced controls and shaping capabilities. Tailored for crafting diverse envelopes, it offers precise adjustments that result in dynamic control voltages, adding an organic and captivating dimension to your sounds. 1/3 key features ADSR/AR Envelope CV Control over all Stages Attenuator per CV Input Shape Control for Attack, Decay and Release Internal Envelope-Controlled Amplifier Loop Function Internal Modulation 0V to +10V Range specs & downloads width: 12 HP depth: 30 mm power: 56 mA @ +12V / 36 mA @ -12V documentation videos description / manual The length of each ADSR stage can be changed with four slider potentiometers. Times range from 1ms in FAST MODE to half a minute in SLOW MODE. The FAST MODE allows a very fine adjustment of short envelopes, which is especially handy for creating percussive sounds. There are dedicated SHAPE potentiometers for the ATTACK, DECAY and RELEASE stages. With these you can switch from exponential to logarithmic response curves. Each phase has its own CV input to control its timing. Dedicated attenuators allow you to adjust how much voltage is applied. The slider LEDs indicate if a voltage is being processed and if the timing of a stage is being changed. If nothing is patched to the CV inputs, the attenuators suppress the portion of each stage's voltage that is passed to the OUTPUT jack. This allows you to quickly change the envelope without changing the original slider settings. In addition, there is a CV input RF CV to control all rising and falling stages at once (without LED indication). ENVELOPE also has an internal GATE and MODULATION source. When the LOOP/RESET switch is set to LOOP, the envelope is internally triggered at a rate set by the MOD RATE pot. It also allows you to internally apply a TRIANGLE or SQUARE-WAVE LFO to any stage when nothing is patched to the CV inputs and the attenuators are turned clockwise. The rate of the LFO is also controllable with the MOD RATE pot. You can change the waveform of the LFO with the TRI/SQU switch. Setting the LOOP/RESET switch to RESET will reset the internal LFO each time a gate or trigger is received at the TRIG/GATE input. The TRIG/GATE switch determines whether a trigger or gate signal should be applied to the TRIG/GATE input. When you set the switch to TRIG, the envelope type changes to ATTACK and RELEASE only. If you need an envelope that is easy to change, this is the correct setting. GATE mode activates a full-featured ADSR envelope with many adjustment options. In addition to the standard envelope output ENV OUT, there is also an inverted output ENV INV. The voltage ranges of the ADSR outputs are about 0V to +10V for the normal output and 0V to -10V for the inverted output. To complete the packed feature list, ENVELOPE is also equipped with an internal VCA, which is internally connected to the envelope output. Simply connect an audio source to the VCA IN input and you'll have an envelope-controlled signal available at the VCA OUT jack. ENVELOPE QUICK START GUIDE: ENVELOPE_QUICK_START .pdf Download PDF • 710KB 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

Mixer & VCA matrico / 3x3 bipolar matrix mixer with sum out / 10 HP ⇣ There are many creative ways to use matrix mixers for CV and audio processing. MATRICO is a full-featured matrix mixer in a small footprint that provides instant access to this modular creativity. 1/3 key features 3x3 Matrix Mixer Bipolar or Unipolar Input LED Low HP Size Performance-Orientated Mixing Wrong Polarity Protection specs & downloads width: 10 HP depth: 30 mm power: 35 mA @ +12V / 25 mA @ -12V documentation videos description / manual MATRICO has three inputs I - III which can be routed to any of the three outputs A-C. For each connection between I-III and A-C there is a separate potentiometer which acts as an attenuator/attenuverter. For each output A-C you can decide whether the signals should be processed unipolar or bipolar. The LEDs indicate whether a positive or negative signal is present at the respective input. They only show input signals, as it is so much easier to identify a signal to be mixed with other signals. There is also a sum output with LEDs that provides a mix of all outputs. prev Up next

Sequencer isi wren / repeatable random gate and cv generator / 4 HP ⇣ ISI WREN is a great sequencer to quickly generate random sequences and lock them on repeat to create catchy and pounding techno synth lines. 1/3 key features Random CV and Gate Looped Sequences Change Sequence Length Adjust Sequence Range Repeat Different Sequences CV Loop ON/OFF CV Length, Range and Repeat Sync to external Clock Skiff friendly Wrong polarity protection specs & downloads width: 4 HP depth: 30 mm power: 35 mA @ +12V / 12 mA @ -12V documentation videos description / manual ISI WREN is a digital sequencer that generates random gate and CV signals synchronized to a clock connected to the CLK input. Depending on the CHANCE slider potentiometer, it either generates random gate and CV signals in the center position or locks the sequence in the upper or lower position. The closer the knob is to the center position, the more frequently the signals change. When a gate signal is patched to the RPT input, the sequence is repeated regardless of the slider position. If you repeat a sequence in the upper position of the slider, two different sequences are repeated alternately. In the lower position, only one sequence is repeated. With the MODE potentiometer you can set the length of the repeated sequence, the CV range and the repetition of the sequences. Set the mode toggle switch to STP and adjust the sequence length from 4 to 16 steps. Switch to RNG and adjust the CV range (octave range). In RPT mode, you can adjust how many times an alternating sequence repeats when the CHANCE slider is in the up position. Mode settings can also be voltage controlled. Patch a CV signal to MODE and adjust its level with the attenuator in order to change the length of a sequence, its range and the repeat mode externally. If no cable is patched to MODE the attenuator acts as a response adjustment of the MODE knob (e.g. smaller range of steps with one turn of the MODE knob if the attenuator is turned to the left). Use the GATE output to control an external envelope generator and connect the CV output to the 1V/OCT input of any oscillator. prev Up next

Oscillator radio / analog fm radio with autoamtic cv channel search / 4 HP ⇣ RADIO is an analog FM RADIO with an automatic channel-search functionality. It supports a frequency band of 83,5 - 114 MHz, has a built-in frequency control with signal quality evaluation and runs with automatic noise suppression. It is a never ending sound source and a great companion for your Eurorack sampler or audio mangler. 1/3 key features Analog FM Radio Automatic Channel Search with Signal Quality Evaluation Automatic Noise Suppression 83,5 - 114 MHz Bandwidth CV Control over Channel Search or Reset Volume Control Gain Stage at the Output Illuminated ST Modular Logo specs & downloads width: 4 HP depth: 28 mm power: 18 mA @ +12V / 10 mA @ -12V documentation videos description / manual By pressing the buttons CH- and CH+ you can activate the automatic channel-search function up or down the frequency range. If a signal passes the internal quality evaluation the search is ended and the radio signal is available at the OUT socket. If you want to change to another radio station channel-search is also accessible via CV. Simply patch any gate or trigger signal into the inputs CH- and CH +. Two LEDs indicate of a trigger or gate signal is applied. Channel changes can be really quick, if there are good signals close to each other on the frequency band. If the signal is bad the search automatism may need more time to find good signals leading to slower channel changes. The RST button resets the search to the lowest frequency. After reset you will receive some really nice radio noises until you proceed to the next proper channel again. You can also route the CH- CV input to RST via jumper on the back of the PCB. The module has two volume buttons for quick level adjustments. Additionally it has an active GAIN stage adjustable via trimmer in order to raise the maximum volume to modular levels. The patch-cable connected to the OUT socket acts as an antenna. It´s best to choose a long cable and move it around until you receive the best signals. prev Up next

We greatly value all the feedback we receive. Nevertheless, we prefer to maintain communication within the forum to ensure that all information remains accessible to the community. SAY HELLO! We greatly value all the feedback we receive. Nevertheless, we prefer to maintain communication within the forum to ensure that all information remains accessible to the community. forum First Name Last Name Email Your message Thanks for reaching out! Senden

Utilities & PSU mult / dual buffered multiple / 3 HP ⇣ Ever wish life had a "Buffered Multiple" module? One for when you need to duplicate yourself at the family reunion, and another for when you're avoiding the office coffee duty! Just plug into these magic modules, and voilà – instant you, in multiple places. Unfortunately, our modules are for signals, not people, but hey, we can all dream of a buffered clone army, right? 1/3 key features Buffered Mult iple 1x4 and 1x2 or 1x6 via Normalization 1x Inverted Buffered Output Easy to Build Wrong polarity protection specs & downloads width: 3 HP depth: 28 mm power: 12 mA @ +12V / 8 mA @ -12V documentation videos description / manual MULT is a dual 1x4 and 1x2 or a single 1x6 buffered mult iple. The first input is distributed to 4 buffered outputs. The last output is inverted.The second input is distributed to 2 buffered outputs.The first input is normalized to the second. This way you can also use MULT as a 1x6 buffered mult iple. Each input has an LED indication. prev Up next

Oscillator cyllene V2 / classic analog vco with three sub-octaves and internal FM / 10 HP ⇣ The Cyllene module is a fully analog oscillator that stands out with features like three sub-octave layers and internal frequency modulation. It's a versatile sound source designed to deliver rich and complex tones for your modular system. 1/3 key features Classic Analog VCO 4 Waveforms: PULSE, TRIANGLE, VARIABLE WAVEFORM, SAWTOOTH (MOD) 1V/Octave tracking Internal VCA Pulse Width Modulation with Attenuator Internal Frequency Modulation via Modulation Oscillator Up to 3 Sub-octaves Attenuator for each Sub-octave Wrong Polarity Protection specs & downloads width: 10 HP depth: 28 mm power: 26 mA @ +12V / 19 mA @ -12V documentation videos description / manual Cyllene offers four waveform options : pulse wave triangle wave variable waveform (which blends between sine and pulse via trimmer on the back) modulation sawtooth wave. You can select the active waveform using the SELECT knob. This can be done manually or controlled via CV input. An LED shows which waveform is currently selected. To tune the oscillator, use the COARSE knob for broad pitch adjustments and the FINE knob for precise tuning. The V/OCT input allows Cyllene to track pitch from sequencers or keyboards accurately across at least five octaves (1V per octave standard). For added depth, you can blend in up to three sub-octaves with any waveform: The BASE function adds a pulse wave three octaves below the current pitch. The SUB section introduces two additional sub-octaves: one and two octaves below the main pitch. Use the SUB -2 / SUB -1 control to mix between them. In the center position, both are equally present; turning fully left or right isolates one sub-octave. A NOISE control lets you mix in white noise to enhance texture and add grit to the signal. Cyllene also features internal frequency modulation (FM) . Use the MOD FREQ knob to adjust the pitch of the internal modulation oscillator, and the MOD AMT knob to control how strongly it modulates the main waveform. The MOD SYNC switch allows you to unlink the modulation oscillator from the V/OCT input for more experimental FM tones. The pulse width of the pulse wave can be shaped manually with the PULSE WIDTH knob or modulated externally via the PWM CV input with its dedicated attenuator. Lastly, Cyllene includes a built-in VCA , which lets you control the oscillator's volume using an external envelope or control voltage, eliminating the need for an extra VCA module and saving valuable rack space. CYLLENE V2 QUICK START GUIDE: CYLLENE_V2_QUICK_START .pdf Download PDF • 1.09MB prev Up next

Meet the Swiss Army knife's ambitious cousin – the multitasking marvel that sits in front of your Eurorack, ready to unscrew musical conundrums, slice through soundscapes, and twea-zor its way into your sonic heart. workbench / usb powered multi utility tool / 0 HP ⇣ Meet the Swiss Army knife's ambitious cousin – the multitasking marvel that sits in front of your Eurorack, ready to unscrew musical conundrums, slice through soundscapes, and twea-zor its way into your sonic heart. key features Multiple LFO Attenuator documents Fader Swap USB-Power description / manual Multiple 1 to 3 multiple with one inverted output. The multiple is normalised to the swap unit of the module. LFO The LFO provides a triangle and square wave and can be reset by an external gate or clock signal. The LFO signal can be attenuated with the slider pot and its rate may be varied with the RATE potentiometer. An inverted copy of the triangle wave is normalised to channel A1. An inverted copy of the square wave is normalised to channel B1. These connections are independent from the LFO attenuator and may be interrupted by patching a cable into the channel A1 or B1 input or by the normalisation selection switches. You can choose to normalise the LFO or a fixed voltage of 0V to +5V adjustable with the VOLTAGE knob for all channels at once. Attenuator/Mixer WORKBENCH has four channels A1, A2 and B1 and B2. Any signal (audio or CV) patched into the inputs are attenuated by the slider pots. The channels of each section are daisy-chained, thus they can be mixed or the second channel can act as an offset (CV). The normalisation switch selects which voltage will be fed into the input if no cable is being patched (LFO or fixed voltage 0V to +5V). Fader The Fader mixes between two sources with a single slider. Both channel sections A and B are mixed into a fader circuit, if no cable is inserted into their outputs and the fader inputs. The fader output can be attenuated with the LVL knob. Swap The Swap unit exchanges the destination of one or two sources with the push of a button. This way you can route two signals to the corresponding destination of the other input. Anything patched into the Mult will also be multiplied to the Swap inputs of nothing is patched here. USB Power WORKBENCH is powered by standard USB power (+5V) and is fully compatible with your Eurorack system. You can choose to power it with a Mini B, Micro B or Type C USB cable. You can solder all USB connect or just one of them, if you have a favourite USB cable you want to use. Up