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Welcome to Authorized Dealers, your go-to resource for finding official retailers of ST Modular designs. Explore our curated list of trusted dealers offering high-quality ST Modular synthesizer kits and components. Whether you're a seasoned modular enthusiast or a beginner, find the perfect products to expand your Eurorack system. Shop confidently from authorized sellers to ensure genuine ST Modular designs and top-notch support. WHERE TO BUY? Independent manufacturers license ST Modular circuit and PCB designs to develop, manufacture, and distribute their own products under license, based on ST Modular design concepts. Authorized Manufacturers: pushermanproductions.com PCBs, Panels, Kits and Pre-Assembled Modules for Eurorack Builders (GBR) 3U-shop.de Kits & Parts and More…PCB Sets & Pre-Assembly (GER) tlm-audio.com Professionally built Modules made in Germany (GER) ears-modular.com Electronic Art Research Society is a small online shop that sells circuit boards, parts, and accessories for Eurorack-standard home-made synthesizers (JPN) 锡人乐器 (tin man synths) Official ST Modular dealer in China selling PCBs, DIY kits, pre-built modules, and components via Taobao and Xianyu (CHN) Please note Modular Addict (modularaddict.com) is currently not an authorized ST Modular partner. Some products offered there may not reflect the latest PCB revisions or panel updates. To ensure you receive the most current versions and to support ongoing development, please purchase ST Modular PCBs and panels from one of the authorized sellers listed on this website. Compliance & Manufacturing ST Modular develops circuit concepts and PCB designs for electronic audio applications. Physical products based on ST Modular designs are manufactured and distributed by independent licensed partners. The respective manufacturer is responsible for CE conformity, regulatory compliance, product safety documentation, traceability and customer support. For compliance documentation or safety information, please contact the respective manufacturer directly. Quality control, production standards and product availability are the responsibility of the licensed manufacturing partner. Up

Effects singer / feature-rich delay with extensive parameters / 8 HP ⇣ Probably SINGER is one of the best equipped DIY PT2399 Delays available. It is the consequence of years of development of other delay effects such as DELAY V2 and GRITZNER and now combines new and old functions in one module. Why another PT2399 Delay? Well, because the PT2399 is a very special kind of delay with its own and very unique character we all love and we want CV control over most parameters. In contrast to DELAY V2 and GRITZNER, SINGER was made to explore the boundaries of the PT2399 chip and is able to create all sorts of crazy delay, glitch and noise sounds. It is rather specialized on short delay times, but can create some really nice delay and feedback craziness. 1/4 key features Analog Delay CV Control over most Parameters Two Inputs Internal LFO WET Output Wrong polarity protection specs & downloads width: 8 HP depth: 45 mm power: 95 mA @ +12V / 45 mA @ -12V documentation videos description / manual SINGER has two audio inputs IN A and IN B, whereas IN B includes a high pass filter that attenuates frequencies below 320Hz. Especially for effect sends it is helpful to only introduce a high pass filtered delay effect to the mix. You can switch between IN A and IN B by using the A/B switch (switch MAN / LFO set to MAN) or by introducing a CV gate signal to the A/B GATE input jack. When the CV gate signal is high, only IN B will be routed to the delay circuitry indicated by the IN B LED. It is also possible to switch between both inputs using the internal LFO (switch MAN / LFO set to LFO). This way you can create some really unique delay cascades using two different audio signals. The DELAY TIME can be changed with the large DLY TME knob. The range is set to be too large for the PT2399 chip to handle. Consequently turning the knob from 2 o´clock on clockwise will create crazy glitches and noise artifacts. Cleaner delay times can be achieved by settings from 7 to 12 o´clock. The delay time can be changed via CV at the TIME CV input jack. A dedicated DLY CV attenuator let´s you decrease the amount of CV that is being applied. Additionally an internal LFO can control delay time if nothing is patched into the TIME CV jack and the DLY CV knob is turned to the right. The LFO rate can be set with the LFO RATE potentiometer and the LFO cycle can be reset by a CV gate or trigger signal that is patched to the LFO RESET input jack. You may choose to use a triangle or square wave LFO with the help of the TRI/SQU switch. The LFO is normalized to delay rate and feedback via the dedicated attenuators if nothing is patched to the corresponding CV input jacks. The LFO rate LED only indicates LFO waves controlling delay rates after attenuation. The LFO is also normalized to the A/B input switch if the MAN / LFO switch is set to LFO. A DRY/WET potentiometer sets the amount of delay effect that is applied to the OUT jack. On top the level of the wet signal can be changed with the IN attenuator. Hence if the DRY/WET pot is fully clockwise and the IN attenuator is fully counter-clockwise, no signal is audible at the OUT jack. FEEDBACK may be changed with the help of the FEEDBACK knob and can also be controlled via CV at the FDBK CV jack and the dedicated FDBK CV attenuator. If nothing is patched to the FDBK CV jack you can also route the internal LFO to control the feedback amount if you turn the FDBK CV attenuator to the right. VCA CV provides the opportunity to control the level of amplification of the wet signal via control voltages such as an envelope or an LFO. The WET output supplies the pure delay signal at any time. SINGER QUICK START GUIDE: SINGER_QUICK_START .pdf Download PDF • 741KB prev Up next

Oscillator oberhausen / analog complex oscillator / 42 HP ⇣ OBERHAUSEN is a CEM3340 based Dual Voltage Controlled Analog Oscillator designed to create a wide range of complex waveforms. It wasn't designed to offer the most perfect waveforms, but definitely ones with lots of character and grit. OBERHAUSEN features two principle oscillators and two modulation oscillators. 1/3 key features Analog Complex Oscillator 2x CEM3340 based Principal Oscillator 2x Modulation Oscillator 8x Waveform Output Mix Waveforms with 8 Slide Potentiometers Blend Principal Oscillators to One Main Output Create a Wide Range of Different Waveforms Skiff Friendly Wrong Polarity Protection specs & downloads Width: 42 HP Depth: 28 mm Power: 110 mA @ +12V / 90 mA @ -12V documentation videos description / manual Both principal oscillators offer five different waveforms. Each waveform´s level can be adjusted with a dedicated volume slide potentiometer and is available at a separate output jack. The sum of the OSC1 and OSC2 waveforms can be blended either manually with the large potentiometer in the middle of the module or via CV and is available at the main OUT socket. Each sum is also supplied at the OSC1 and OSC2 output jacks separately (after BLEND). OSC1 (Principal Oscillator) NOISE - White Noise with a fixed high pass filter at 320Hz. SUB - Two Sub-octave waves based on the SAWTOOTH waveform. They can be activated individually with the SUB -1 and SUB-2 switches. PULSE - PULSE waveform with adjustable PULSE-WIDTH via PW knob or CV with a dedicated attenuator PWM CV. TRI/SAW - Either a TRIANGLE or SAWTOOTH waveform according to the TRI/SAW switch. TONE - Accentuates either low or high frequencies of all OSC1 waveforms. FM - FM input for either EXPONENTIAL or LINEAR FM, adjustable via FM switch (mid position is off). V/OCT - 1V per octave input and a precision duplicate output of the incoming CV signal for further external processing. FRONT PANEL CALIBRATION & GAIN - A trimmer potentiometer for V/OCT tuning and OSC GAIN is located on the front side of the module. OSC2 (Principal Oscillator) TRI/SAW - Either a TRIANGLE or SAWTOOTH waveform according to the TRI/SAW switch. PULSE - PULSE waveform with adjustable PULSE-WIDTH via PW knob or CV with a dedicated attenuator PWM CV. OSC1´s PWM CV input is normalized to the OSC2 pulse-width modulation input. TIMBRE - Buchla inspired timbre generator. The timbre setting can be changed with the TIMBRE knob or via the CV input with an attenuator. SINE - Pure and analog SINE wave. FM - Either EXPONENTIAL or LINEAR FM, adjustable via FM switch (mid position is off). Can be generated internally or via external CV. FM VCA - The FM input´s amplification can be controlled via an internal VCA. As soon as a jack is plugged into the FM VCA input jack FM modulation will only be applied in accordance to an incoming CV signal (such as an LFO or Envelope Generator). OSC SYNC - OSC2 can be loosely or tightly synced to OSC1. OVERLOAD - Feedback Distortion with Clipping LED for all OSC2 waveforms. V/OCT - Separate 1V per octave input. OSC1´s 1V/OCT signal is multiplied via a precision buffer and normalized to OSC2´s 1V/OCT input, if no jack is present at the OSC2 V/OCT input. This routing can also be deactivated with the V/OCT INV switch. Additionally the normalized V/OCT signal can be inverted and routed to OSC2, if the V/OCT INV switch is in the down position. FM OSC (Modulation Oscillator) FM OSC only modulates OSC2´s frequency. The RATE can be set with the FM RATE knob. The oscillator´s waveform can be changed from TRIANGLE to OFF to SQUARE WAVE with the FM switch. The amount of modulation applied can be adjusted with the FM CV attenuator, if no jack is plugged into the FM input jack. An LED indicates if FM modulation is active taking any FM VCA modulation into account. With the help of the the FM switch the modulation type can be set to either exponential or linear. MOD OSC (Modulation Oscillator) The MOD OSC is a low frequency oscillator that internally controls BLEND CV, OSC2 TIMBRE CV and OSC1 PWM CV (which is normalized to OSC2 PWM CV). Its RATE can be adjusted with the MOD knob and the final depth is set by the destination CV attenuators BLEND CV, PWM CV and TIMBRE CV. The oscillator´s waveform can be changed from TRIANGLE to OFF to SQUARE WAVE with the MOD switch. MIX & BLEND In order to mix both principal oscillators and their waveforms OBERHAUSEN features two 4-channel mixers and a additional blend mixer. With the help eight dedicated slide potentiometers each waveform´s level can be set. Additionally you can blend between OSC1 and OSC2 either manually, via CV at the BLEND input jack or internally with the MOD OSC and BLEND attenuator. OBERHAUSEN QUICK START GUIDE: OBERHAUSEN_QUICK_START .pdf Download PDF • 453KB prev Up next

ST Modular has garnered acclaim for its DIY Eurorack Modules, which empower users to assemble personalized modular synthesizers using supplied PCBs and components they acquire themselves. ​ ST Modular is known for its original Eurorack circuit and PCB designs, created to inspire musicians and builders to explore modular synthesis. The designs enable users and licensed partners to realize personalized modular systems using dedicated PCBs and carefully developed circuit concepts. The portfolio includes oscillators, filters, sequencers, mixers, LFOs, envelope generators, effects, desktop synthesizers, and utility tools. Each design is developed in-house by ST Modular with a focus on versatility, musical character, and technical refinement. ST Modular began as a personal passion project driven by deep interest in electronics and sound design. The knowledge behind the designs was built through hands-on experimentation, breadboarding, technical study, and continuous exchange within the synthesizer community. Today, ST Modular operates as an independent small-scale design studio, reinvesting revenue into research, prototyping, and the development of new concepts. ST Modular focuses exclusively on circuit and PCB design. Manufacturing and distribution of physical products are carried out by independent licensed partners, who produce and bring their own products to market based on ST Modular designs. Depending on the partner, products may be available as PCBs, panels, DIY kits, or fully assembled modules. Stefan Tretau The S and T before Modular Hey! I am Stefan — a multi-faceted individual acknowledged for my roles as a devoted father and a passionate musician. My journey in the world of music commenced during the early 2000s, where I found myself captivated by the realm of electronic music. Armed with a selection of electronic instruments, including a TB303, MC307, Micro Modular, and Xbase09, I embarked on a creative exploration that would come to define my artistic identity. In due course, my musical endeavors expanded beyond personal exploration. Live performances became an integral part of my artistic expression, and I successfully transitioned to releasing music on esteemed labels such as Heimatmelodie, Karmarouge, Fortek, Broque, and Night Drive, etching my presence into the electronic music landscape. Sometime around 2010, I took the step of founding my own label, ST RECORDS . The journey began with the vinyl release "Whatever Happened," and to this day, it remains the platform through which I share my music with the world. Yet, my interests transcended performance and production, leading me down the path of curiosity. In 2015, a pivotal juncture in my journey arrived when I grasped the intricate mechanics behind sound generation, particularly concerning Schmitt Triggers and Operational Amplifiers. This understanding marked the genesis of a fresh chapter, propelling me into a phase of self-guided learning encompassing circuit board design, soldering techniques , and culminating in the construction of my first DIY effect pedals. The allure of the "do-it-yourself" ethos grew stronger, prompting me to deepen my knowledge, craft my own schematics, and experiment with prototypes on breadboards. As my passion for modular synthesizers burgeoned, I embarked on a new venture in 2017 — designing my own Eurorack modules, such as "Switched", "Triple Tom", "Cyllene" and "Franz". The positive reception and subsequent demand from the DIY community inspired me to take the next step. I entered into a licensing agreement with Pusherman Productions (pushermanproductions.com), enabling them to manufacture and distribute their own products based on ST Modular circuit and PCB designs. This marked the genesis of ST MODULAR , an endeavor driven not by commercial aspirations but by a desire to innovate within the modular synthesis landscape. Unlike the usual practices in the industry, ST Modular is more about pursuing a personal artistic vision for me than fulfilling the wishes and ideas of others. I prioritize uncharted functionalities and distinctive designs, unfettered by market trends. This approach enables me to cater to my own artistic instincts while fostering a sense of community engagement among fellow enthusiasts. ST Modular remains a passion-driven project , not motivated by profit but by curiosity and creativity. Seeing musicians create music with designs I have developed is deeply rewarding and reflects the collaborative spirit at the heart of modular synthesis. For me, the journey is about the connection between electronics and sound, where circuits become instruments and ideas turn into music that reaches far beyond the workbench. Thank you for visiting these pages, Stefa n Alongside ST Modular, I also work under the name ST Interactive , where I create apps and music software for musicians, producers, and sound designers. The focus is on simple, inspiring creative tools for sound design, experimentation, and everyday music production. 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

STEREO SUM represents a modular Eurorack stereo mixer offering a variable number of stereo or mono channels. These channels are interconnected through flying bus cables and standard ribbon cables at the rear, allowing expansion from a minimum of two channels to suit your requirements and available HP. STEREO SUM is a true performance mixer aiming to be used in live situations. stereo sum / customizable eurorack stereo mixer / 8 + 4 + N HP ⇣ STEREO SUM represents a modular Eurorack stereo mixer offering a variable number of stereo or mono channels. These channels are interconnected through flying bus cables and standard ribbon cables at the rear, allowing expansion from a minimum of two channels to suit your requirements and available HP. STEREO SUM is a true performance mixer aiming to be used in live situations. key features Stereo Mixer Customizable Amount of Stereo & Mono Channels EQ per Channel Two Send/Returns AFL Mode to Audit Sounds Mute Switch per Channel +20dB Gain per Channel Stereo Input to Integrate other Mixers Stereo Line Output Mix to Headphone Knob for Sound Comparison Skiff Friendly Wrong Polarity Protection specs & downloads width: min. 12 HP depth: 30 mm power: min. 47 mA @ +12V / 33 mA @ -12V documents videos layout suggestions description / manual STEREO SUM is a stereo mixer with a customizable amount of stereo or mono channels. Tailor your setup by selecting the desired quantity of SUM CHANNELS or MONO CHANNELS to integrate with the SUM MAIN module. Each STEREO or MONO CHANNEL has a mute switch, a one knob EQ, Pan, a Send knob that can be routed to two different destinations, a Level pot and an AFL (after fade listening) functionality, which allows you to audit your sounds on the headphones before you add them to the mix (pre Pan though). Fully counter-clockwise the channel is only routed to the headphones (AFL), turning it clockwise it will be smoothly subtracted from the headphone out and added to the main mix (Mix). The SUM MAIN module has all output, send and return jacks, a master volume knob and a 6.3mm stereo headphone jack with a dedicated volume potentiomter. The Mix to AFL knob routes the main mix output to the headphone out in order to compare the channels that are in AFL mode with the main mix. This can be deactivated with a switch to only audit channels that are currently not send to the main output (AFL mode). Additionally there is a stereo input to integrade other mixers, like PHOEBE, SUM or uSUM for example. All stereo inputs can also handle mono signals. If you want to save HP it might be a good decision to add some MONO CHANNELs to your STEREO SUM. The send channels can be set to be active either pre or post AFL per channel via a solder bridge. ‚Pre‘ means you can still hear the send/return way when it is in AFL mode (thus the channels signal is actually not audible in the main mix), ‚post‘ means send/return will only work when the channels signal is routed to the main mix. Each channel has two separate GAIN trimmer potentiometers adjustable from the front. For enhanced EQ control of your mix, consider integrating the STEREO EQ . Additionally, you can enhance each channel or the main output with the STEREO COMPRESSOR . TO ENSURE THE MIXER'S FUNCTIONALITY, IT'S CRUCIAL TO HAVE AT LEAST ONE STEREO OR MONO CHANNEL, IN ADDITION TO YOUR MAIN MODULE. Up

Utilities & PSU pedal pal stereo / fx pedal integration module / 8 HP ⇣ Enhance your creative palette by seamlessly integrating your favorite guitar FX pedals into the realm of Eurorack modular. Take command over the amount and tone of the signal sent to your pedal and manipulate the expression pedal input using CV. To double the excitement, this module can handle stereo signals! 1/3 key features Stereo FX-Pedal Integration Expression Input CV Send CV Send and Return Level Controls Send Tone EQ Dry/Wet Control TRS Connections to FX Pedal Use it with Line or Modular Levels Boost Dry and/or Wet Signals with a max. Gain of +20 dB Phase Inversion Switch Skiff friendly Wrong polarity protection specs & downloads width: 8 HP depth: 30 mm power: 59 mA @ +12V / 43 mA @ -12V documentation videos description / manual Connect a stereo or mono signal to the IN sockets (a mono signal to IN L is normalized to IN R), and retrieve the output signal from the OUT jacks. Link your FX pedal's inputs to the SEND output using a TRS audio cable, and connect the FX pedal's output to the RTRN return socket with another TRS audio cable. Fine-tune the blend of dry and wet signals with the central DRY WET knob. The level gain of the dry and the wet signal can be adjusted independently via trimmers on the back of the module. Rotate SEND to the right to increase the audio level sent to the pedal's input. The attenuator beneath the SEND CV jack controls the maximum send signal level, so remember to turn it to the right to activate the SEND jack. Increase the RETURN knob to control the effect signal's level returning from the FX pedal. Be cautious as the send signal can potentially overload the FX pedal's input, so adjust the send amount with care. Both the SEND and RETURN controls provide precise control over the signals sent to and from the effects unit for clean or slightly overdriven signals. The ST Modular logo LEDs indicate whether a signal is being sent from or returned to the module. Turn the TONE knob to the right to emphasize high frequencies or to the left for low frequencies in the SEND signal. Keep it in the center position to have no further effect. Activate the PHASE button to align the audio return signal with the dry input signal if your effects pedal reverses its phase. You may need to make further adjustments to the send and return settings afterwards. The real fun begins when you modulate the amount of audio sent to the FX pedal. Simply introduce a CV signal into the SEND CV input and adjust its level with the attenuator. Furthermore, you can also control the pedal's EXPRESSION input using CV. Connect a TRS audio cable to the EXPR I/O, and the voltage provided by the pedal will be attenuated with the EXPR knob and send back to the pedal, allowing you to manually control the expression parameters. Alternatively, you can patch modular control voltage into the EXP CV input to control the expression parameters of your FX unit, with the EXPR knob acting as an attenuator. The LED indicates when voltage is being forwarded to the pedal. Please ensure you check your FX pedals' specifications before using PEDAL PAL STEREO. Verify whether the pedal supplies its expression voltage on the tip or ring of the EXPR TRS cable and the accepted voltage level (most commonly 3V or 5V). Adjust the corresponding jumpers on the back of the module accordingly. In the video example below, I'm using an EarthQuaker Devices Avalanche Run Delay and Reverb pedal, which provides 3V on the ring of the TRS expression cable. This pedal is particularly well-suited for PEDAL PAL STEREO, as it allows for quick selection of the expression voltage destination, such as reverb amount, delay time, and more. For convenient parameter adjustments, particularly during live performances, potentiometers are positioned on the lower side, ensuring easy access when the module is mounted in the bottom row of a tabletop case. If you are looking for a smaller and simpler mono version, please check out the predecessor PEDAL PAL ! PEDAL PAL STEREO QUICK START GUIDE: PEDAL_PAL_STEREO_QUICK_START .pdf Download PDF • 667KB prev Up next

Utilities & PSU uit / trs balanced output / 4 HP ⇣ UIT is a balanced output module that supplies an active output on the cold terminal of the TRS jacks, producing the same signal as the hot terminal but phase-inverted. This allows stable driving of long cables at low noise levels. It is based on high-performance, fully differential operational amplifiers and laser-trimmed thin-film resistors that exibit low noise and distortion and a wide output swing. 1/4 key features TRS Balanced Output Low Noise and Low Distortion Headphone Output Volume Control Phantom Power Protection PCB Outputs for Case Mounted Jacks Wrong polarity protection specs & downloads width: 4 HP depth: 35 mm power: 31 mA @ +12V / 25 mA @ -12V documentation videos description / manual This module offers two TRS 6.3mm jacks that provide the BALANCED OUTPUT signal and a TRS 3.5mm HEADPHONE OUTPUT. Both have dedicated VOLUME potentiometers with +6dB gain. Two LEDs indicate the level of both incoming signals. The left input is normalized to the right input if there is no signal present. The outputs are protected against unwanted phantom power voltages. There are also PCB outputs available if you want to solder case/cabin mounted output jacks directly to the UIT PCB. UIT is supposed to be the last module in your modular chain and connects the modular world with any other studio or stage input equipment. prev Up next

ST CASE is a Eurorack enclosure that you can 3D-print yourself. It is 42HP wide and can be used with M3 threaded strips that are inserted from the side. There is a cable holder on the back and the large holes on the bottom allow easy access to cables and boards for recalibration. st case / 3d-printable eurorack case / 42 HP ⇣ ST CASE is a Eurorack enclosure that you can 3D-print yourself. It is 42HP wide and can be used with M3 threaded strips that are inserted from the side. There is a cable holder on the back and the large holes on the bottom allow easy access to cables and boards for recalibration. You will need an M3 10mm screw to fixate the cable holder and four rubber feet for a non-slip stand. If you don't dare to mount your new DIY module directly into your Eurorack case, the ST Case is the ideal companion for testing newly built modules. Two Variants TYPE-A comes with a small power supply unit that users can solder themselves, and TYPE-B allows for the mounting of power supply modules from other manufacturers on the back. Inside the TYPE- A case there is space for a small USB-C power supply that delivers 150mA@-12V, 250mA@+12V and +5V (mA depends on the USB voltage used). It offers four ribbon power cable connectors. The PSU board can be purchased and soldered separately. TYPE-B has the same specifications as Type-A, but offers the option of mounting a third-party 4HP power supply module on the back of the case instead of a PSU PCB inside. This allows you to use your preferred 4HP power supply module with more power than the Type-A case PSU offers. key features 3D-Printable Low-Cost Slide-in Rail Brackets Lightweight specs & downloads Width: 42 HP Depth: 55 mm Power: PCB or 4HP Module TYPE-A (USB DIY PSU) Type-A DIY PSU TYPE-B (4HP PWR Module) Print your own! To have your ST CASE printed, you can download the STL-file below and contact your preferred 3D printing service. It is best to use PLA or PETG filaments. The average cost of printing the enclosure at an online print shop is around 30€ to 50€ (PLA; black; no finish). Local 3D printing services are often cheaper than those you find online. If you print the enclosure yourself on your own printer, it costs about 6€. The cases shown on this page were printed with PLA on a Bambu Lab X1C. DOWNLOAD STL (ZIP) Up

Mixer & VCA pae / cv pan & fade / 6 HP ⇣ PAE is a voltage controlled Pan or Fade module. 1/3 key features Voltage controlled Pan or Fade Attenuator for incoming Voltage LED Indicators Seperate single Outs for each Channel Wrong polarity protection specs & downloads width: 6 HP depth: 25 mm power: 40 mA @ +12V / 20 mA @ -12V documentation videos description / manual PAE has two inputs for two differnet mono or one stereo signal. Using the Volume potentiometer you can set the volume of each channel separately. Acccording to the potentiometer on top of the module only one or any mixture of both signals will be available at the Out jack. Simultaneously each channel can also be taken from the Out L and Out R output jacks. Additionally Pan or Fade can be controlled via voltage using theCV jack. The small potentiometer on top of the jack acts as an attenuator for incoming voltages. Two LEDs on top of the module show the current state of Pan or Fade. The module is capable of handling CV and audio. prev Up next

Oscillator honeyeater v3 / cem3340 analog vco with sub-oscillator / 6 HP ⇣ HONEYEATER is a classic analog VCO featuring two sub-oscillators and mixable waveforms. Built around the renowned CEM3340 "Curtis Oscillator" precision VCO chip — found in legendary synths like the Sequential Prophet-5 and Oberheim OB-8 — this module delivers rich and raw analog sounds in a compact, low-HP format. It is one of our most popular modules! 1/4 key features CEM3340 Analog Oscillator 5 Mixable Waveforms White Noise Two Blendable Sub-Oscillators Linear & Exponential FM VC Pulse Width Modulation Skiff friendly Wrong polarity protection specs & downloads width: 6 HP depth: 30 mm power: 56 mA @ +12V / 45 mA @ -12V documentation videos description / manual Honeyeater is the ideal choice for big sounds in compact cases! It serves as a versatile workhorse oscillator, capable of producing both classic and complex waveforms beyond typical analog oscillators. Use the COARSE and FINE knobs to adjust pitch, with FINE allowing smaller, more precise pitch changes. Increase the volume of the Pulse, Triangle, or Sawtooth waves, as well as the Suboscillators, by raising the three faders. Note that waveforms may slightly overdrive in the top third of each fader’s range. You can also switch between a triangle or sawtooth waveform for the middle fader. The SUB MIX knob controls the two sub-octaves: turning it right increases the volume of the sub-oscillator one octave below the root pitch, while turning it left boosts the one two octaves below. At the center, both sub-octaves play equally; at either end, the opposite sub is fully muted. Ensure the SUB fader (3) is raised to blend sub-octaves into the main mix. To add white noise for a grittier sound, turn the NOISE knob to the right. The Pulse Width of the Pulse waveform can be adjusted manually or via CV using the knob above the PWM CV input. Connect any CV source (0V to +5V) to modulate Pulse Width here. The FM input accepts any control voltage to frequency-modulate the oscillator, with modes switchable between linear and exponential via the LIN/EXP switch. Honeyeater supports both hard and soft sync by patching an external oscillator’s output (ideally a sawtooth wave) to the SYNC input. Select between sync types via a jumper on the back of the module. When assembling the Honeyeater yourself, you have the option to use either a DIP-16 through-hole CEM3340 IC or a SOIC-16 SMD variant, which can be mounted using a small adapter board. HONEYEATER QUICK START GUIDE: HONEYEATER_V3_QUICK_START .pdf Download PDF • 453KB prev Up next

Mixer & VCA cuerly / 3-channel stereo mixer with cue / 6 HP ⇣ Cuerly is a compact 3-channel stereo mixer with cue functionality, allowing you to pre-listen to signals before sending them to the main mix. It’s the perfect mixer for live performances in a small Eurorack setup. 1/4 key features 3 Stereo-Channels Level Control per Channel Cue Buttons for Pre-Listening Heaphone Output Headphone Level Control Mix to Headphone Control Max. Gain +20dB Wrong polarity protection specs & downloads width: 6 HP depth: 40 mm power: 43 mA @ +12V / 35 mA @ -12V documentation videos description / manual Cuerly features three stereo channels, each with independent level control. You can connect a stereo signal to any of the three inputs: IN1, IN2, or IN3. The level of each channel is adjusted using the corresponding VOL1, VOL2, and VOL3 knobs. Mono signals can also be processed by patching a cable into the left input, which will automatically normalize the signal to the right channel. The final mix is sent to stereo headphones via the TRS PHONES output. You can control the headphone volume using the VOL HP potentiometer. To preview a signal, simply press the corresponding cue button. The cued signal is removed from the main mix and routed exclusively to the headphone output. The VOL1, VOL2, and VOL3 knobs continue to function as level controls, even when the signal is cued through the headphones. The LEDs serve as level indicators for the cued signal only. For direct comparison, turn the MIX TO HP knob to the right. This routes the main mix to the headphones along with the cued signal, allowing you to compose and patch new sounds while still monitoring the main output - without needing to remove your headphones. You can cue any combination of the three channels. If all three cue buttons are active, no audio will be sent to the main output, and the signal will be routed only to the headphones. Additionally, the cue buttons can function as mute controls for the main mix. Cuerly offers a maximum gain of +20dB, with independent gain adjustment for each of the six inputs. Gain levels can be fine-tuned using the trimmer potentiometers located on the back of the module. Cuerly is designed specifically for live performances, where sounds are improvised and created on the fly. Its compact size makes it the ideal addition to your small performance case. CUERLY QUICK START GUIDE: CUERLY_QUICK_START_GUIDE .pdf Download PDF • 1.82MB prev Up next