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Studio Electronics Boomstar SEM MKII with OB Filter - Image 1
Studio Electronics Boomstar SEM MKII with OB Filter - Image 2
Studio Electronics Boomstar SEM MKII with OB Filter - Image 3
Studio Electronics Boomstar SEM MKII with OB Filter - Image 4
Studio Electronics Boomstar SEM MKII with OB Filter - Image 1Studio Electronics Boomstar SEM MKII with OB Filter - Image 2Studio Electronics Boomstar SEM MKII with OB Filter - Image 3Studio Electronics Boomstar SEM MKII with OB Filter - Image 4

Studio Electronics Boomstar SEM MKII with OB Filter

£2,299.00

SynthForSale proudly features Synths & Workstations, a name synonymous with quality. The Studio Electronics Boomstar SEM MKII with OB Filter stands out as a refined and capable piece of gear, designed to inspire. Here's What Studio Electronics Say:  Boomstar is a return to the raw power and purity of non-programmable discrete analog, where STUDIO ELECTRONICS […]

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Description

SynthForSale proudly features Synths & Workstations, a name synonymous with quality. The Studio Electronics Boomstar SEM MKII with OB Filter stands out as a refined and capable piece of gear, designed to inspire.

Here's What Studio Electronics Say: 

Boomstar is a return to the raw power and purity of non-programmable discrete analog, where STUDIO ELECTRONICS started in 1985 with the Midimoog. The snap and punch of hardware envelopes drive the Boomstar's brilliant discrete voltage controlled circuits with unparalleled sonic integrity and versatility; refaced, and revoiced for 2018, the Boomstar MKII is likely the ultimate desktop analog synthesizer for those who remember, and desire still, analog synth sounds that changed the music, and sound seekers who have yet to discover that electric magic and delight in their time—via MIDI or CV of course.

The Boomstar's alchemy of combinable waveform oscillations—with sub, OSC1-OSC2 sync—filter and oscillator xmod, ring mod, 5 revered filter types, extensive modulation routing made easy via its 18+ toggle switches, and a flexible software LFO, make sound and music design a daring delight. Hardware envelopes with invert, loop, drone and master mode deliver that flexible, funky snap and shift.

The quick-turn shaft pots along the bottom for the hardware ring mod, noise, feedback: now diode-based for more complex and interesting harmonic distortion, and VCO Levels make vital sonic changes intimate, immediate, and indispensable; the adjacent overdrive switch adds beefy boost, warmth, and edge. 29+ pots insure a fluid, intuitive groove over wide-ranging sweeps, and subtle tone variations: whip them suddenly and rhythmically into shape, or feather in the changes.

Features 

  • Refaced for clarity of function, signal flow and an overall visual/tactile assist.
  • Revoiced for purity of tone—more headroom into amplifier; browning-out is delayed.
  • Diode-based feedback circuit for greater dynamic range and harmonic distortion content.
  • Exotic and rugged hand-picked and handcrafted lumber/microlumber sides: Bocote, Marblewood, Pau Ferro, and Rosewood.
  • Lined, fluted knobs and lined quick-turn pot shafts top and bottom for more precise programming and patch recall.
  • Metal-shafted pots installed throughout, apart from the envelopes, where the custom taper plastic-shafted pots are strengthened with an added bushing.

Category

Keyboards / Pianos

Keyboards and pianos cover a wide range of instruments designed for learning, creativity and performance. From portable keyboards with built-in sounds and rhythms to full digital pianos with weighted keys and authentic feel, they suit beginners and experienced players alike. Whether you are writing music, practising at home or playing live, keyboards and pianos offer flexible ways to explore melody, harmony and expression.

Semi-modular & Desktop Synths

Semi-modular and desktop synths are compact electronic instruments designed for flexible sound creation without the need for a full modular system. Desktop synths are self-contained units that operate without a keyboard, while semi-modular synths include patch points that allow internal routing to be reconfigured or expanded using patch cables.

These instruments are popular with producers and musicians who want hands-on control, creative routing, and powerful sound design in a small footprint. They work well in studio and live setups, either as standalone sound sources or integrated with modular systems, MIDI controllers, and DAWs, making them a versatile choice for electronic, experimental, and modern music production.

Synths & Workstations

Synths and workstations are powerful instruments built for sound creation, composition and performance. Synths focus on shaping and designing sounds, while workstations combine synthesis with sequencing, effects and performance controls in a single unit. If you want an all-in-one instrument for writing, arranging and playing complete pieces of music, synths and workstations offer deep creative control and flexibility.

Tags

Circuit synth

Keyboard

Keyboard refers to electronic keyboards used for playing, composing, and performing music, ranging from simple digital keyboards to advanced synthesizer-based instruments. On SynthForSale, keyboards include instruments designed for studio production, live performance, and home use, often featuring velocity-sensitive keys, built-in sounds, MIDI connectivity, and integration with computers and other hardware. They are commonly used across electronic, pop, ambient, film, and experimental music, and can function as standalone instruments or as controllers for software and modular setups.

MIDI

MIDI is a digital control standard used to transmit performance and control data between electronic instruments, computers, and hardware devices. It carries information such as note data, velocity, timing, and parameter changes rather than audio, allowing instruments and software to communicate, stay in sync, and control each other. MIDI is fundamental to modern music production, sequencing, and live performance setups.

Modular

Modular is a synthesis format made up of separate, interchangeable modules that are patched together to create custom signal paths. It allows complete freedom over sound design, sequencing, and modulation, with each system built to suit the user’s workflow and creative approach.

Semi-modular & Desktop Synths

Semi-modular & desktop synths offer a powerful and flexible approach to synthesis, combining compact design with hands-on control. Semi-modular synths come ready to play with pre-routed signal paths, while still allowing patching for deeper sound design, and desktop synths provide full synthesis engines in a space-saving format without a keyboard.

What makes this category so appealing is its balance of accessibility and creativity. You can start making music immediately, then explore more advanced routing, modulation and sound shaping as you go. Whether analogue or digital, these synths are perfect for building textures, basslines, leads and experimental sounds in both studio and live setups.

Semi-modular & desktop synths are simply great — versatile, compact and endlessly inspiring. Whether you’re starting your synthesis journey or expanding your setup, they offer powerful tools in a manageable format, and you will not be disappointed.

Synths & Workstations

Workstation

A Workstation is a professional keyboard instrument that combines high-quality sounds with powerful sequencing, recording, and performance features. More than just a keyboard, it acts as a complete music production hub, allowing players to compose, arrange, and perform without needing extra equipment.
Workstations typically include a wide range of instrument voices, drum kits, effects, and built-in sequencers for layering and arranging tracks. Many also offer sampling, audio recording, and deep integration with MIDI or computer software.
Favoured by composers, producers, and live performers, workstations are versatile tools that bring together creativity and practicality in one instrument.

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