Erica Synths Bullfrog XL (EU) — analog educational synthesizer

Bullfrog XL enlarges the Bullfrog concept for classroom demonstrations. Its built-in oscilloscope makes audio and control signals visible.

Technical specifications

• Synthesis: Analog subtractive synthesis.
• Sound sources: VCO and noise generator.
• Processing: Low-pass VCF, VCA and delay.
• Modulation: 2 ASR envelopes and sample & hold.
• Voice cards: Interchangeable routing/function cards.
• Connections: DIN MIDI input and USB.
• Teaching features: 2-channel oscilloscope, 6.3 mm sockets, built-in speakers.
• Included: 12 cables, 6 voice cards and 3 DIY cards; adapter.
• Dimensions: 820 × 505 × 65 mm; 250 mm with side panels.
• Weight: 8.3 kg.