Erica Synths Bullfrog XL

Desktop Synthesizer

CAP2: 0 £1,799.00
£1,499.17 ex VAT
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Educational synthesizer specifically designed for classroom use, featuring an enlarged interface suitable for group settings, multiple sound generation modules including VCO and Noise Generator, sound treatment modules such as VCF and VCA/Delay, and control modules like Envelope Generators and Sample & Hold, facilitating a comprehensive and interactive learning experience in electronic music and sound design.

At a glance

  • Fully analogue design
  • Highly accurate voltage controlled oscillator (VCO) that tracks great over 8 octaves
  • Manually adjustable and voltage controlled waveshapes – sine-shark fin and pulse wave with pulse width modulation (PWM)
  • Zener diode-based noise generator
  • Resonant lowpass voltage controlled filter (VCF)
  • Voltage-controlled amplifier (VCA) with adjustable offset
  • Delay effect with adjustable delay time and feedback amount
  • Two looping attack-sustain-release envelope generators (EG)
  • Sample & Hold circuit with an individual clock
  • Attenuverter
  • Slew processor with adjustable slew time
  • Two buffered splitter circuits
  • Two channel oscilloscope
  • 6.3 mm jack sockets
  • Manual gate button
  • Gate and Trigger out
  • Voice card slot
  • Built in speakers
  • DIN5 MIDI input
  • USB connector
  • Keyhole slots on the rear panel
  • Dimensions (mm): 820x505x65 (250 with the side panels)
  • Mass: 8,3 kg

The Erica Synth Bullfrog XL is an educational synthesiser specifically designed for classroom use. It features an enlarged interface suitable for group settings, multiple sound generation modules, including VCO and Noise Generator, sound treatment modules such as VCF and VCA/Delay, and control modules like Envelope Generators and Sample & Hold, facilitating a comprehensive and interactive learning experience in electronic music and sound design.

Erica Synths and Richie Hawtin have developed the Bullfrog XL, a synthesizer that expands on the educational possibilities of electronic music. This instrument aims to engage aspiring and professional musicians by facilitating a deep understanding of music production.

Design and Functionality

The Bullfrog XL caters specifically to educators, featuring a user-friendly, oversized design ideal for demonstration and interaction in classroom environments. Unlike conventional synthesizers, the Bullfrog XL employs a classic subtractive synthesis approach with various modules for sound generation, such as VCO and Noise Generator and sound treatment, including VCF and VCA/Delay. Additional modules for control and modulation, like Envelope Generators and Sample & Hold, enhance its versatility.

Operational Guidance

To operate, users must either connect these modules using Eurorack patch cables or insert voice cards that establish pre-defined internal connections. This method not only fosters creativity but also deepens users' comprehension of subtractive synthesis and sound design.

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