The Behringer 112 is a compact, authentic reproduction of the Roland System 100M 112 Dual VCO module from the early 1980s. It delivers two independent analog voltage-controlled oscillators in just 16 HP, each with rich waveforms, pulse-width modulation, multiple CV inputs for 1V/oct tracking, sync capabilities, and individual outputs—making it an ideal building block for thick leads, basses, FM-ish tones, or layered voices in any Eurorack setup.
Technical Specifications
| Item | Description |
|---|---|
| Type | Legendary Analog Dual VCO Eurorack Module |
| Eurorack Width | 16 HP |
| Depth | 46 mm (1.81″) |
| Weight | Approx. 0.5 kg (1.1 lbs) |
| Power Requirements | Eurorack bus (10-pin or 16-pin connector) |
| Current Draw | +12 V: 90 mA, –12 V: 70 mA, +5 V: 0 mA (some sources list 130 mA +12 V variant; check your unit) |
| VCO 1 & VCO 2 (identical) | |
| Waveforms | Triangle, Sawtooth, Square (with PWM) |
| PWM Control | Manual knob (centered at 50% duty cycle) + external CV input |
| Frequency Controls | PITCH (fine tune), RANGE (octave steps: 32′, 16′, 8′, 4′, 2′) |
| CV Inputs | 3 × 3.5 mm TS per VCO (summed; 1 V/oct tracking standard) Typical range: 0 V to +10 V for full sweeps |
| Sync Input | 1 × 3.5 mm TS per VCO (hard sync) |
| Sync Output | 1 × 3.5 mm TS per VCO (strong & weak modes for versatile chaining) |
| Audio Outputs | 2 × 3.5 mm TS per VCO (individual outs), DC coupled Max level: 10 V peak-to-peak Frequency range (no CV): ~10 Hz – several kHz With CV: sub-audio to >20 kHz possible |
| Additional I/O | |
| PWM Inputs | 2 × 3.5 mm TS (one per VCO), DC coupled, >50 kΩ |
| Total Patch Points | Multiple summed CV ins, individual waveform outs, sync in/out |
| LEDs | None (classic 100M style—no indicators) |
Key Features & Signal Flow
- Two fully independent VCOs – Stack them for fat unison, detune for chorusing, or use separately for complex patches.
- Classic System 100M warmth – Authentic analog oscillators with that vintage Roland character—punchy saws, smooth triangles, and PWM squares.
- Flexible modulation – Three CV inputs per oscillator allow easy 1V/oct from sequencers/keys plus additional LFO/envelope/expression control.
- Sync capabilities – Hard sync inputs and outputs (with strong/weak modes) for classic locked oscillator tones or chaining to other modules.
- No internal normalisation – Pure utility: patch VCO outs to filters, mixers, or cross-modulate for FM-style effects.
- Affordable analog power – Perfect for expanding small systems or building polyphonic setups with multiple 112s.
Resources
- Official Behringer product page: https://www.behringer.com/product.html?modelCode=0720-AAF
- Quick Start Guide (PDF): Available on Behringer downloads or search “Behringer 112 Dual VCO quick start guide”
- ModularGrid page: https://modulargrid.net/e/behringer-system-100-112-dual-vco
- Retailer pages (Sweetwater, Thomann, Vintage King): User reviews, photos, and demo videos
- Demo/overview videos: Search YouTube for “Behringer 112 Dual VCO” (e.g., overview demos showing waveforms and sync)
The Behringer 112 is a no-frills, high-value dual oscillator that captures the essence of 80s analog synthesis—great as a starter VCO pair or for beefing up existing voices without breaking the bank. Highly recommended for any modular rig!
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