Moog Spectravox – Semi-Modular Analog Spectral Processor

The Moog Spectravox is a unique semi-modular spectral processor built for experimental sound sculpting. Featuring a 10-band analog filter bank and integrated vocoder functionality, it seamlessly transforms external audio and adds rich, resonant movement to any source—making it a powerful creative hub for drones, vocoder effects, and spectral modulation.

Key Features

• 10-band filter bank: Includes one low-pass, eight band-pass, and one high-pass filters all with voltage-controlled resonance for tonal sweeps and shifting textures.
• Integrated vocoder mode: Use a microphone or audio signal via XLR/¼″ combo input as the modulator and apply spectral filters across a carrier source.
• Analog sound engine: Singe VCO (saw/pulse with pulse-width control) plus white noise generator and a simple decay-only VCA envelope.
• Internal triangle-wave LFO & drone: Modulate spectral shift dynamically or hold frequencies for static textures.
• Expansive patch bay: 36 mini-jack points (19 inputs, 17 outputs) offer extensive CV and audio routing for modular-style flexibility.
• Standalone or modular: Functions as both a full voice or spectral processor—usable by itself or integrated into Eurorack systems.

Customer Benefits

Whether you're processing vocals for rich vocoder tones, feeding drum loops for rhythmic spectral modulation, or generating evolving drones, Spectravox delivers immersive sonic character. It allows deep exploration of sound—bridging synthesis, filtering, and modulation in a hands-on and unpredictable way.

Quick Specs

• Filter types: 1 low-pass, 8 band-pass, 1 high-pass
• Oscillator: 1 × VCO with saw and adjustable pulse wave
• Noise Generator: White noise
• Envelope Generator: 1 × decay-only VCA EG
• LFO: Triangle wave for spectral shift modulation
• Patch Bay: 36 × 3.5 mm jacks (19 inputs, 17 outputs)
• Audio I/O: XLR/¼″ combo input; ¼″ TRS output (headphone/main)
• Dimensions: 32.6 × 10.7 × 14.3 cm
• Weight: Approx. 1.5 kg
• Power Supply: 12 V DC @ 2.0 A (included)

What’s in the Box

• Moog Spectravox spectral processor
• 12 V DC power supply
• Patch cables
• Preset overlay chart
• Quick Start Guide

Use Cases / Ideal For

Perfect for sound designers, vocalists, and modular enthusiasts. Use it on stage to process vocals or synths, integrate into Eurorack systems for CV-driven filtering, or add spectral movement to studio tracks—the Spectravox opens up creative sound design in unexpected ways.

Compatibility

Works stand-alone or within modular rigs. Use combo input for mic or line-level sources. Patch CV and audio freely using the jack field. Compatible with Moog semi-modular instruments and Eurorack ecosystems.

Pros & Cons

✅ Pros:

• Intriguing spectral effects and vocoder possibilities
• Filter shift modulation creates evolving tonal motion
• Compact, patchable—ideal for hybrid studios or live routing

⚠️ Cons:

• Not a full synth—basic internal oscillator is auxiliary only
• High filter resonance can introduce noticeable noise
• Unconventional interface with steep creative curve for new users

The Moog Spectravox reimagines spectral sound processing with analog flair—melding vocoder, filter bank, and synth voice into one inventive playground. A compelling piece for modular explorers and sonic adventurers.