Eurorack Modules

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  • Tonestar 8106
    Tonestar 8106 (Tonestar 8106)
    TONESTAR 8106, an ARP® 2600-inspired complete synth voice, infuses Tims Caswell's chipry "Jupiter to Juno" filter alchemy—a 6db/oct hi-pass filter followed by a recreation of the Roland IR3109 module—into our Tonestar 2600 platform; this chirpy yet full-bodied 8106 model is also fully #OutsToOuts modular featuring 27 pots—one more that the 2600 model for the high-pass filter, 6 switches—one less, sacrificing resonance modulation for that high-pass filtering, and 21 jacks.

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    $529.00
  • Tonestar 2600 - Premium Quality Synth Voice
    Tonestar 2600 (Tonestar 2600)
    TONESTAR is an ARP® 2600-inspired synth voice 31 years in the shaping, pre-patched like Pearlman's prodigy, and fully "outs to outs" modular. Connect CV / gate and twist 'n' switch, or pull its tones and voltages apart one 3.5mm cord at a time. 26 knobs, 7 switches, and 21 jacks make for complex and satisfying signal flow, color and collisions. If it gets reedy, route the triangle wave 'round the VCF.

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    $499.00
  • VCA2
    Boomstar Modular VCA2

    Discrete quad op-amp dual VCAs for audio and level chaining, control, and sharper tonality.
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $99.00
  • Boomstar Modular Ste. 16 - Dual Digital LFO
    Boomstar Modular STE. 16 LFO
    The STE-16 (our second collab. with eowave designer Marc Sirguy), is a dual LFO, featuring a HI-freq mode and complex waveform mixing possibilities, which thinks nothing of producing thousands of different modulation and audio frequency shifts and wiggles. In fact, it doesn't think at all—well maybe it does... since we here at SE suggested feature tweaks which made the grade ;)

    The STE's amplitude modulation, frequency modulation, and waveform mixing and blending push the envelope far above and beyond typical/classic four waveform LFOs construction and limit, and so now shall you. The 1 SHOT function dramatically transforms the STE into a punchy and varied percussive tool; applied to an external VCA, one can generate compact and expansive, concussive encounters. More Information.
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    $209.00
  • Boomstar Modular Slim O
    Boomstar Modular Slimo

    The SLIM O shares our beefy OSCILLATION sound engine, so it is every bit as gorgeously stable—and of course tracks pitch remarkably well—but is sensibly slimmed down to 8hp essentials, with no tonal or quality sacrifice allowed; the Slimo is MIDIMINI big sonically, with a three position octave switch for smart and easy octaving...

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    $209.00
  • Boomstar Modular Shapers

    Shapers is a dual four stage envelope generator with independently adjustable ATTACK, DECAY, SUSTAIN, and RELEASE stages. Our Pittsbutgh Modular hybrid ADSR smooths the shape of the incoming gates and triggers to produce a more expressive instrument, just like its antecedent. The ADSR output can be used to control the amplitude of an oscillator, the cutoff frequency of a filter or any other function on a module that accepts control voltages. More Information.

    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $229.00
  • Boomstar Modular SEM Filter

    Our SEM is known as a 'Voltage Controlled State Variable Filter' because it provides simultaneous high pass, low pass, and band pass outputs, all with a 12 dB/oct slope. The notch is the inverse of the bandpass, achieved by summing the Low Pass and high pass outputs. This version is a combination of the original SEM filter and the newer design from the OBX, along with improvements by SE. More Information.

    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $249.00
  • Boomstar Modular SE88
    Boomstar Modular SE88 Filter

    Our version of the boxy, Blade Runner-sweet and Boomstar-brash dual mode CS80 filter, initially married to the Omega Series Synths, and then tucked-in the 'Stars, now joins the Modstar Collective. We've twisted and turned the SE88 to unflatten the earth, so to speak; the original CS80 fed a HP filter into a LP filter, but with the SE88 your can select MODE 1's HP or BP to feed MODE 2's LP or BP, or patch it to reverse that pleasant path. The audio signal is completely controllable with input and output levels for each filter. Cherish and respect your filter's input gain stages, for a smooth yet often brassy sound—shed your mercy to strike hard for boiling, snarling bite, even to the blackout/cutout point; then and only then, uniquely blend mode settings for the filter family values you revere.
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $339.00
  • Boomstar Modular Sci Fi

    SCI FI is an ingeniously vintage-circuit-inspired Richard Nicol/Pittsburgh Modular original. As the reader might already know, ring modulation is a signal-processing electronic function: an implementation of amplitude modulation or frequency mixing, performed by multiplying two signals. This beloved other-worldly, warm, and at times clangorous coloring dates at least as far back to Bode's Melochord of 1947, technology which was ultimately licensed to Robert Moog in the early 1960s. Of course analog maestros Don Buchla, and Lord Tom Oberheim made their marks, circuitry culminating, to our eyes, in the brilliantly rhythmic, and wildly expressive Yamaha CS-80 Ringmod circuits and controls.
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $239.00
  • Router
    Boomstar Modular Router (R)

    Compact and switchable bi-directional dual audio/CV router.
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $59.00
  • Quadnic
    Boomstar Modular Quadnic
    QUADNIC reps. our 2nd collobaration with SpaceHardware—a deeply featured 12hp module with four digital oscillators—each with a selection of 64 waveforms, 7 different processing modes including phase distortion and wave sequencing, and a dedicated volt per octave input. In unison mode, all 4 OSCs can be played via the 1st 1V/O CV input and widely detuned, or switched to a preset chord formation—a major move beyond the 'one note samba' monophonic, module choreography we all know and mainly love, but... scooch over Grainy, Quadnic is cookin' up digi-vittles for four. "Come 'n' git it!"

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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $249.00
  • Boomstar Modular Oscillation

    At the beginning of the Modstar tone parade, we cheer on another cagey Tim Caswell hybrid, which utilizes an exponential current source in a sympathetic spirit, to the through-hole, glory days circuits of ARP and Oberheim, followed in perfect sync by wave shaping circuits adapted from 2nd generation Minimoog Model D oscillator boards, and bringing up the rear, an incorporation of waveform mixing circuits pioneered by little old SE (that's us here at STUDIO ELECTRONICS)!
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $269.00
  • Mix4
    Boomstar Modular Mix4

    Space conscious, unity gain, 4 in/1 out, high quality audio and CV mixer and "multer".
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    $99.00
  • Boomstar Modular Levels

    LEVELS is a versatile, low-noise six channel summing mixer/attenuator for audio and CV, which can be used rather effectively in a variety of ways: 6 in 1 out, or two separate mixers: 4 in 1 out, and 2 in 1 out, e. g., when only jacked-in to MIX 5/6 output all input channels pass through; utilizing the 1-4 OUT removes channels 1-4 from the MIX 5/6 output. Handy indeed. More Information.

    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $149.00
  • Boomstar Modular Grainy ClampIt
    Boomstar Modular Grainy Clampit

    GRAINY CLAMP-IT is a granular and phase distortion additive oscillator—brand new heavy territory for Studio Electronics... we know; wait till you hear the stunning contrast it creates when paired with our discrete Class-A OSCILLATION module, and the inorganic to downright 1970's combo organy / CS-80-ish tones it can generate. Pure voltage-controlled candy. Be sure to wash off the sticky. Only available in black finish.

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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $269.00
  • Boomstar Modular Charcot Circles
    Boomstar Modular Charcot Circles

    Surrender yourselves to the hypnotic, borderline hysterical sway of the CHARCOT CIRCLES (named for Jean-Martin Charcot* "founder of modern neurology”) to awaken your mind and muse. Only the C. C. possesses the organic power and intelligence to identify specific sites in the brain responsible for detailed, sequential, musical functions. Was it not Doc. Jean-Martin who said: "In the last analysis, we see only what we are ready to see, what we have been taught to see."

    Who can argue with that, or find fault with Marc Sirguy's compelling and mesmerizing design of our 1st eurorack collaboration with eowave?—a 16 x 8 step sequencer, that can be utilized as an 8 x 16 step track preset (8 CVs & gates), 4 x 32 (4 CVs & gates), 2 x 64 (2 CVs & gates), and 1 x 128 step track preset (1 CV, 1 gate). CV and gate expansion is made possible through our BBOX—breakout box (not yet pictured) interface, which features 4 CVs & 4 gates. Up to 2 breakout boxes per Charcot can be connected.
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $249.00
  • Attenulag
    Boomstar Modular Attenulag

    Multi purpose heavy lifter. The attenuators reduce level, audio or CV, when switch is set to off. With the switch up the audio or signal passing through at full level. The inputs are linked together; patching into channel 1 drives both attenuators; patching into channel 2 breaks the link. Experimentation with key tracking to create alternative tunings, or interaction with audio inputs that don't afford attenuation—does good things.
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    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $129.00
  • Boomstar Modular AMP

    The amplifier (AMP) is a 2 stage Class A discrete design using 3 pairs of hand matched transistors. Envelope is usually applied to ST1/1. ST1/2 goes thru an attenuverter and can be used for envelope or modulation. ST2/1 goes to the 2nd stage, and is typically used for volume control. ST2/2 goes thru an attenuverter and is typically used for modulation. More Information.

    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $209.00
  • Boomstar Modular 8106 Filter
    Boomstar Modular 8106 Filter (Boomstar Modular 8106 Filter)
    Designer Tim Caswell: "The 8106 is a 6db/oct hi-pass filter followed by a recreation of the Roland® IR3109 module, which is a 4 pole, 24 db/oct voltage controlled lowpass filter with voltage controlled resonance. Three dual OTAs with similar topology to the BA662 used in the Jupiter 8 (and the IR3109 module) were employed, one amp for the hi-pass filter, four (with added buffers) for the low-pass, and one for the resonance. This filter takes a wide range of input signals, and tracks control voltage extremely well. Tap points are available for 6db, 12db, and 18db/oct. Although the topology is similar to the 4075, the tonality, especially when overdriven, is distinct..."

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    $259.00
  • Boomstar Modular 5089 Filter

    The 5089 filter is a voltage controlled, discrete analog, 24 db/oct transistor ladder, low-pass filter, employing hand-matched transistors. Our ladder low-pass filter—a subtractive analog sound synthesis foundation—in its lowest FREQUENCY setting removes, or cuts off higher frequency harmonics; its RESONANCE or Q circuit emphasizes those harmonics to the point of “squealy,” giddy self-oscillation, tracking the keyboard in its FULL setting quite nicely if seeking an alternative sine wave. More Information.

    (Not available for online sale in the UK and EU—please refer to our International Dealers List)
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    $249.00
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