Klavis Terminal 4 Quad VCA, LPG, Envelope Generator - Silver

Klavis Terminal 4 Quad VCA, LPG & Envelope Generator – Silver

The Klavis Terminal 4 is a compact 8HP Eurorack module that combines four independent VCAs, four low-pass gates, four envelope generators, and versatile mixing capabilities in a single space-efficient module. The silver-panel version features the same powerful functionality in a sleek aluminum finish.

Each DC-coupled VCA handles both audio and CV signals with selectable linear or logarithmic response curves, adjustable offset, and zero-crossing switching. Stereo linking with manual and CV-controlled balance makes the Terminal 4 well suited to stereo processing and spatialized signals.

Four dedicated LPGs offer three selectable presets, ranging from subtle 6dB/octave Vactrol-style processing to a classic 12dB/octave dual-Vactrol LPG and a 24dB/octave LPG/OTA-VCF configuration with resonant filtering.

Each channel also includes an envelope generator with eight templates, proportional timing, and adjustable linear-to-logarithmic curves. Envelopes can control the internal VCA or LPG directly or be routed externally as CV modulation sources.

• Four independent VCA channels or two stereo pairs

• DC-coupled audio and CV processing

• Selectable linear/logarithmic VCA curves

• Adjustable VCA offset

• Zero-crossing switching

• Stereo linking with manual and CV-controlled balance

• Four dedicated LPGs with three selectable presets

• 6dB/oct single-Vactrol LPG preset

• 12dB/oct dual-Vactrol LPG preset

• 24dB/oct LPG/OTA-VCF preset with resonant filtering

• Four envelope generators with eight templates each

• Proportional envelope timing

• Linear/logarithmic envelope curves

• Internal VCA/LPG control or external envelope CV output

• Automatic mixing of unconnected outputs

• Mono and stereo signal flow support

• Audio, external CV, and generated envelope mixing

• Individual clipping LEDs for level monitoring

• Potentiometer/value matching LEDs for intuitive editing

• Settings retained after power cycling

• Firmware updates via audio file

• 8HP Eurorack format

• 2mm thick aluminum front panel

• Skiff-friendly design

• Power consumption: +12V 90mA, -12V 24mA

• Dimensions: 8HP × 3U × 36mm deep