VCO Lite — Workhorse SSI2131 Analog Oscillator for Eurorack

The VCO Lite from Hampshire Electronics is a compact, high-performance analog oscillator built around the legendary SSI2131 chip. Delivering smooth, musical waveforms and rock-solid tracking, the VCO Lite provides the essential power of a precision VCO in a streamlined Eurorack format.

Designed for reliability and immediacy, this module combines a warm analog tone with simple, intuitive controls — perfect as a standalone sound source, an FM pair partner, or part of a complex modular voice.

Hand-assembled in England, the VCO Lite offers all the classic features you expect from a professional analog oscillator — without unnecessary complexity.

VCOLite Manual: Download VCOLite Manual PDF

Key Features

• Based on the SSI2131 precision VCO IC — stable, musical, and temperature-compensated
• Classic waveforms: sine, triangle, saw, and pulse
• PWM control with manual and CV modulation
• Exponential and linear FM inputs for wide-ranging modulation options
• Hard and soft sync for harmonic or phase-locked sounds
• Octave selector and fine-tune knob for quick pitch adjustments
• Compact design for efficient rack space use

Controls & Patch Points

• Knobs: Octave, Tune, PW, PWM, FM
• Inputs: CV, PWM, LIN FM, FM, H-SYNC, S-SYNC
• Outputs: Triangle, Saw, Pulse

Specifications

• Format: Eurorack module
• Width: 14HP
• Power: ±12V Eurorack standard
• Core: SSI2131 analog VCO
• Tracking: 1V/Oct, temperature-compensated
• Construction: Hand-assembled in England

The VCO Lite distills the essentials of analog synthesis into a reliable, great-sounding oscillator — perfect for any Eurorack setup, from minimalist voices to complex polyphonic systems.