Erica Synths — Bassline

Manual PDF

Erica Synths Bassline Module Manual (PDF)

Erica Synths Bassline — Quick Reference Cheat Sheet

What Is It?

The Erica Synths Bassline is a full analog synth voice in a Eurorack module, best for acid basslines and fat synth parts. It includes a VCO, transistor-based suboscillator, VCF, and envelopes.

Front Panel Controls

Knobs:

Knob	Function	Range/Notes
TUNE	Set VCO initial tune	Manual only
SUBOSC LVL	Level of transistor-based suboscillator	Manual only
DETUNE	Detune the main oscillator vs. suboscillator	Manual only
CUTOFF	VCF Cutoff frequency	Manual only, CV input
RESONANCE	VCF Resonance	Feedback, acid tones
F ENV	Filter envelope amount	Manual only
VCA ENV	VCA envelope amount	Envelope strength
VCO CV	Manual offset of VCO pitch	Manual only

Buttons:

Button	Function
ACCENT	Triggers the Accent circuit
SLIDE	Activates Portamento/Slide
OUT	Main audio output
MAIN OUT	Same as OUT (duplication)

Inputs and Outputs

Jack	Type	Description	Voltage Range
VCO CV	Input (CV)	Controls VCO pitch (1V/oct)	0V to +10V
GATE	Input	Gate/Trigger for envelope and VCA	0V = off, 2V+ = on
ACCENT	Input	Boosts envelope intensity for punch	0V = no accent, 5V+
SLIDE	Input	Initiates slide/portamento	0V = off, 5V+ = on
OUT	Output	Main audio output	-5V to +5V
MAIN OUT	Output	Duplicate main output	-5V to +5V
VCF ENV	Input (CV)	VCF Envelope CV input	0V to +10V

Usage Workflow

Pitch control: Send VCO CV (1V/oct) and use TUNE for fine adjustment.
Suboscillator amount: Adjust SUBOSC LVL for punch and body.
Detuning: Adjust DETUNE for richer analog texture.
Gate/Accent/Slide: Use GATE to trigger notes, ACCENT for punchier envelopes, and SLIDE for acid slides.
VCF shaping: Use CUTOFF and RESONANCE for filtering, F ENV to control how much envelope affects cutoff, VCF ENV for external modulation.
VCA envelope: Set how "snappy" or sustained the volume is with VCA ENV.
Patch outputs: OUT and MAIN OUT both output the final signal.

Voltage Reference

VCO CV: 1V/oct (typically 0–10V)
Gate/Accent/Slide: 0V (off), 2V+/5V+ (on)
VCF ENV: 0–10V

Special Features

Analog transistor suboscillator with detune
Full analog OTA-based VCF for classic acid tones
Accent and Slide for TB-303 style patterns

More info & detailed manual:
Erica Synths Bassline - Official Manual PDF

Generated With Eurorack Processor