Erica Synths Bullfrog XL

Monophonic Desktop Synthesiser

• Fully analogue design
• Designed for creative learning of subtractive sound synthesis
• VCO with tuning control, FM input, sine and pulse waveform and shape/PWM control with CV input
• Three channel mixer for sine, pulse and noise
• Low-pass filter (-24dB/oct.) with controls for cutoff, resonance and CV input with attenuator
• VCA with offset control and CV input with attenuator
• Delay with setting options for delay time, feedback and wet/dry mix
• Two attack/release envelopes with switchable loop mode, CV inputs for both time parameters, gate input, unipolar and bipolar output
• Sample and hold stage with rate control, pulse output, gate button, selectable clock source (free/gate) and noise output
• Clock divider with 4 outputs (2/4/8/16)
• Attenuator with level control
• Slew processor with adjustable slew time
• Two splitter circuits
• Two-channel oscilloscope with screen and trigger input as well as one input per channel
• Master section with volume control, CV/gate inputs and trigger/gate outputs (3.5 mm jack)
• Line output: 6.3 mm jack
• Stereo headphone output: 3.5 mm jack
• MIDI input (5-pin DIN) and USB-C
• Built-in speakers
• Functions can be expanded using plug-in voice cards (sequencer, sampler/looper, acid bassline, hipass filter, LFO and electric organ included)
• Includes side panels, external power supply (12 V DC), operating instructions, 12x 1/4’ patch cables, 3 x DIY voice cards
• Dimensions (W × H × D): 920 × 560 × 200 mm
• Weight: 8.3 kg