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Erica Synths Bullfrog desktop synthesizer with knobs, switches, and patch points in a close-up view.
  • Erica Synths Bullfrog desktop synthesizer with knobs, switches, and patch points in a close-up view.
  • Erica Synths Bullfrog desktop synthesizer with knobs, patch points, and vintage-style design for electronic music production.
  • Erica Synths Bullfrog desktop synthesizer with knobs, patch points, and a compact black metal case.
  • Erica Synths Bullfrog desktop synthesizer with multiple knobs and patch points, featuring a compact, professional audio interface.
  • Erica Synths Bullfrog desktop synthesizer with knobs, switches, and patch points for electronic music production.
  • Erica Synths Bullfrog desktop synthesizer with knobs and patch points, compact electronic music instrument in black and silver.
  • Erica Synths Bullfrog desktop synthesizer with knobs and patch points, compact black module for music production.
  • Erica Synths Bullfrog desktop synthesizer with knobs and patch points, compact electronic music instrument in black and gray.
  • Erica Synths Bullfrog desktop synthesizer with knobs and patch points, featuring a compact black metal case and colorful control interface.
  • Erica Synths Bullfrog desktop synthesizer with knobs, patch points, and colorful interface for electronic music production.
  • Erica Synths Bullfrog desktop synthesizer with various knobs and patch points, black and silver control panel.
  • Erica Synths Bullfrog desktop synthesizer with multiple knobs, switches, and colorful modules on a black panel.
  • Erica Synths Bullfrog desktop synthesizer with knobs, buttons, and patch points on a black panel with colorful accents.
  • Erica Synths Bullfrog desktop synthesizer with knobs, buttons, and patch points on a dark panel for modular sound creation.
  • Erica Synths Bullfrog desktop synthesizer with knobs, switches, and patch points, showcasing its compact modular design.
  • Erica Synths Bullfrog
Erica Synths Bullfrog
Erica Synths

Erica Synths Bullfrog

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4.339,00 kr
4.339,00 kr
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Models / Alternatives
Erica Synths BullfrogErica Synths Bullfrog Erica Synths Bullfrog XLErica Synths Bullfrog XL
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Erica Synths Bullfrog – Educational Semi-Modular Analog Synthesizer

The Bullfrog is an analog learning synthesizer designed in collaboration with Richie Hawtin. It puts key modules like VCO, filter, envelopes, and delay into a desktop format that invites patching and experimentation. Created to spark curiosity, it’s equally inspiring for beginners and seasoned producers alike.

Key Features

  • Fully analog architecture: Voltage-controlled oscillator with sine-shark-fin and pulse waveforms, plus PWM and accurate tuning across 8 octaves
  • Noise generator & mixer: Zener-diode source blended via mixer with external input option
  • Resonant low-pass filter: Classic analog VCF for rich tone shaping
  • VCA with delay: Offset-capable amplifier paired with built-in delay effect including time and feedback control
  • Two looping envelope generators: Attack-Sustain-Release envelopes with looping capability
  • Sample & Hold: Internal S&H circuit clocked independently, with manual gate input
  • Patchable learning format: Use Eurorack cables for patching modules manually, or insert voice cards for internal connections and expanded features
  • Voice card slot: Load sequencers, samplers/loopers, acid basslines, and more via plug-in cards
  • Built-in speaker: Play anywhere—no external audio needed
  • Connectivity: MIDI In via DIN, USB MIDI, and manual gate button

Customer Benefits

Bullfrog transforms the synthesis learning curve into a playful, hands-on experience. By building your signal path from the ground up or by swapping in voice cards, you both learn how subtractive synthesis works and enjoy the creative versatility it offers.

Quick Specs

  • Signal path: VCO → Mixer → Filter → VCA/Delay → Output
  • Modulation: 2 looping envelopes, Sample & Hold, manual gate
  • Voice cards included: Sequencer, Acid Bassline, Sampler/Looper + 3 DIY blank cards
  • Built-in speaker, MIDI In (DIN), USB MIDI, manual gate
  • Dimensions: 38.5 × 21.0 × 4.0 cm
  • Weight: 1.8 kg

What’s in the Box

  • Erica Synths Bullfrog unit
  • 12 V DC power adapter
  • User manual
  • 10 patch cables
  • 3 pre-patched voice cards (Sequencer, Acid Bassline, Sampler/Looper)
  • 3 DIY voice cards

Use Cases / Ideal For

Perfect for educational settings, workshops, and creative studios. It’s ideal for introducing sound synthesis concepts, interactive music exploration, or for seasoned users looking for hands-on patching without a full modular rack.

Compatibility

With MIDI and USB connectivity, Bullfrog integrates seamlessly into modern setups. Eurorack patching enables modular-style connections, and voice cards expand its creative terrain.

Pros & Cons

✅ Pros:

  • Ultra-educational layout encourages learning by doing
  • Expandable functionality using voice cards
  • Compact design with built-in speaker for easy demos

⚠️ Cons:

  • Monophonic—one voice only
  • Must be patched to produce sound—it doesn’t auto-play

The Erica Synths Bullfrog is a playful and powerful gateway to analog synthesis—educational, expandable, and deeply hands-on.
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