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Average Price: $513
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$500
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Based on price data from 4 merchants for "Erica Synths Bullfrog Desktop Monophonic Synthesizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Erica Synths Bullfrog Desktop Monophonic Synthesizer is a captivating blend of classic analog design and modern innovation, co-created with the legendary Richie Hawtin. This semi-modular synthesizer is crafted to inspire both novice and seasoned musicians, offering a hands-on learning experience in subtractive synthesis. The Bullfrog doesn't just make sound; it becomes an educational journey in sound design. The voice card system stands out, allowing you to expand its functionality and create your own unique patches. With its intuitive interface, you can easily explore the depths of sound shaping and modulation, making it a versatile tool in any studio setup.
At its core, the Bullfrog features a voltage-controlled oscillator (VCO) with sine and pulse waveforms, complemented by an FM input for rich tonal variety. The analog VCO is paired with a 24 dB/oct low-pass filter, a dual-function VCA, and a delay module, all working together to craft expansive and dynamic sounds. Whether you're diving into the science of sound with its sample and hold functions or integrating it seamlessly with other gear using MIDI and USB-C connectivity, the Bullfrog offers endless possibilities.
Key Features:
- Fully analog design with subtractive synthesis
- Voltage-controlled oscillator (VCO) with sine and pulse waveforms
- 24 dB/oct low-pass filter with CV input and resonance control
- Dual envelope generators with looping capabilities
- Voice card system for expanded functionality and custom patching
- Built-in delay with adjustable time and feedback
- MIDI and USB-C connectivity for versatile integration
- Includes 3 preset voice cards and 3 DIY blank cards for personalization
Product specs
| Type | Semi-modular Desktop Synthesizer |
| Analog/Digital | Analog |
| Polyphony | Monophonic |
| Oscillators | 1 x VCO |
| Waveforms | Sine, Square/Pulse |
| Noise Generator | Yes |
| Envelope Generator | 2 x EG (attack, release) |
| VCA | 1 x VCA |
| Filter | 1 x VCF |
| Sample and Hold | Yes |
| Effects Types | Delay |
| Analog Inputs | 2 x 1/8" (Gate in, CV in) |
| Analog Outputs | 1 x 1/4" (Audio out) |
| Headphones | 1 x 1/8" |
| MIDI I/O | 1 x 5-pin DIN (In), USB |
| USB | 1 x Type C (midi, updates) |
| Expansion | 6 x voice cards (Acid Bassline, Sample-Looper, Sequencer, 3 x user) |
| Power Supply | 12V DC power supply (included) |
| Height | 1.57" |
| Width | 15.15" |
| Depth | 8.26" |
| Weight | 3.96 lbs. |
FAQs
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Is the Erica Synths Bullfrog suitable for beginners in synthesizer programming?
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Yes, the Erica Synths Bullfrog is designed to be user-friendly, making it a good choice for beginners interested in learning about modular synthesis while offering enough depth for more experienced users.
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What kind of sounds can I create with the Erica Synths Bullfrog?
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The Bullfrog allows you to create a wide range of analog sounds, from classic bass and lead tones to experimental textures, thanks to its VCO, noise generator, and delay effects.
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Does the Erica Synths Bullfrog require any additional modules to operate?
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No additional modules are required to operate the Bullfrog. It is a semi-modular synthesizer, meaning it functions independently while offering the flexibility to expand with external modules if desired.
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How does the Erica Synths Bullfrog connect to other gear?
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The Bullfrog can connect to other gear via its MIDI input, USB Type C for MIDI and updates, and 1/8" analog inputs for CV and Gate, allowing integration with various setups.
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Can the Erica Synths Bullfrog be used for live performances?
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Yes, the Erica Synths Bullfrog is compact and versatile, making it suitable for live performances, especially with its hands-on control and ability to create dynamic sounds on the fly.
Videos
Metunar
ESK - Psychedelic Bullfrog Dream
Reviews
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Erica Synths Bullfrog Desktop Monophonic Synthesizer.
Features and functionality
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The Erica Synths Bullfrog is designed for educational purposes, making it suitable for beginners exploring analog synthesis.
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Use cases and applications
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Known for its educational angle, the Bullfrog is ideal for those new to synthesizers and looking to learn the fundamentals of analog sound design.
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