Studio Electronics Boomstar Sensei Hybrid Eurorack Modular Synth

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"This is an incredible, portable synthesizer capable of mono and poly, analogue and digital sound. Incredible filters, with the Yamaha CS80-like filter my favourite.

Includes original lid for case, outer cardboard box, a number of cables and an IEC cable with UK plug.

Custom Monorocket Black "CARBON" case with built in power supply, plus the following modules:


• 4075 Arp-flavored Discrete, voltage controlled, 24/db/oct cascaded transconductance low-pass filter—six pairs of hand-matched transistors—Really a 4-pole ARP 4072 (better: more parts and trims).

• 5089 Mini-flavored voltage controlled, discrete analog, 24 db/oct transistor ladder, low-pass filter (hand-matched transistors).

• AMP 2 stage Class A discrete design, using 3 pairs of hand matched transistors; DRIVE—'70s era distortion and Drone control.

• ATTENULAG Switchable dual attenuator, 3 output lag generator for CV and audio.

• GRAINY CLAMPIT Granular and phase distortion additive oscillator

• LEVELS Versatile, low-noise six channel summing mixer/attenuator for audio and CV—pots are wired with logarithmic volume curves.

• LFO2 Potent all analog dual LFO module; two independent low frequency oscillator circuits provide a variety of modulation options.

• MIDI 3 Third generation extremely full-featured MIDI to CV converter, optimized and calibrated by Studio Electronics exclusively for Modstar Systems.

• MIX4 Space conscious, unity gain, 4 in/1 out, high quality audio and CV mixer and "multer".

• MULTIPLE Passive utility module with two independent sections of four linked jacks.

• OSCILLATION (x2 of) Class-A, discrete, DC coupled, output buffered, exponential current source, vintage-designed analog oscillator.

• OUTS Dual independent output module featuring a stereo 1/4" headphone amplifier output and dual mono 1/4", optimized by Studio Electronics exclusively for Modstar Systems.

• QUADNIC 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

• ROUTER (R) Dual bi-directional (despite what the nomenclature states) audio / CV router.

• SCI FI Ring Mod, White and Pink Noise, Sample and Hold—Classic Synth Toolbox, with LFO and slewing control of S&H.

• SE88 CS-80 inspired dual resonant powerhouse with hi pass/band reject, low pass/band pass filter modes, and "Pendulum Chaos Generation”: a damping/stabilizing override feature for highly unpredictable overloads—input driven "blackout" (perfectly harmless Opamp smashing for smashing good fun).

• SEM Obi-flavored, 12 Db voltage controlled state variable filter and "Pendulum Chaos Generator”: a damping/stabilizing override feature for highly unpredictable overloads—input driven "blackout".

• SHAPERS Dual four stage envelope generator with independently adjustable attack, decay, sustain, and release stages. Short and long range settings deliver smooth, detailed, and complex expression.
Utility Modules

• STE 16 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

• VCA 2 Discrete quad op-amp dual VCAs for audio and level chaining, control, and sharper tonality."