





WesAudio _Prometheus 500 Series Stereo Analogue Equalizer with Digital Recall
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Classic Pultec Vibe with Total Digital Control
The WesAudio Prometheus is a sophisticated dual-slot 500-series module that bridges the gap between vintage sonic character and contemporary studio efficiency. By combining a fully analogue, passive inductor-based EQ circuit with a high-speed digital control layer, it delivers the rich, musical tone of the legendary Pultec EQP-1A with the precision of a modern plugin. Designed for demanding mixing and mastering engineers, the Prometheus is the ultimate tool for those who refuse to compromise on analogue headroom or the convenience of instant session recall.
Analogue Soul with a Digital Brain
While the audio processing is managed entirely by high-quality analogue components—including premium Carnhill inductors—the Prometheus features WesAudio’s proprietary GCon high-speed communication protocol. This allows every analogue parameter to be controlled, automated, and instantly recalled from your DAW via a dedicated plugin. For engineers, this means you can track through genuine hardware and then revisit those exact settings months later with a single click, eliminating the need for manual recall sheets.
Unmatched Spatial Flexibility
Unlike traditional passive EQs, the Prometheus offers three distinct modes of operation: Stereo, Dual Mono, and Mid/Side. The internal Mid/Side encoder/decoder circuitry allows you to independently sculpt the centre and the edges of your mix, providing a level of surgical control usually reserved for high-end mastering processors. Whether you are tightening the low-end of a kick drum in Dual Mono or adding high-frequency air to the side signal in a master, this module provides unparalleled versatility.
Musical Harmonic Saturation
To add further character to your tracks, the Prometheus includes a proprietary Total Harmonic Distortion (THD) circuit. With switchable Medium and High settings, you can introduce musical even-order harmonic saturation that adds vintage flavour, warmth, and richness to digital signals. Combined with an exceptional +24dBu of headroom, the Prometheus ensures that even the most dynamic sources retain their integrity while gaining a full, professional character.
Main features:
- Fully analogue passive EQ circuit based on high-quality inductors
- Massive +24dBu headroom for handling dynamic audio sources seamlessly
- Instant digital recall and full parameter automation via VST, AU, and AAX plugins
- Three operation modes: Stereo, Dual Mono, and Mid/Side (MS) imaging
- Proprietary THD implementation for switchable harmonic saturation (MED/HIGH)
- Six touch-sensitive encoders allowing for real-time automation recording in your DAW
- Integrated Hardware A/B comparison for seamless switching between settings
- Comprehensive in and out metering featuring momentary clip detection
- Hard true bypass relay to ensure signal integrity when the module is disengaged
Tech Specs:
- Type: Digitally Controlled Passive Inductor Equaliser
- Number of Channels: 2 (Stereo / Dual Mono / Mid-Side)
- Frequency Response: 10Hz – 150kHz (-2dB)
- Headroom / Max Signal Level: +24dBu
- THD+N: < 0.01% (1kHz, 0dBu)
- THD (MID Switch): 1%
- THD (HIGH Switch): 2.5%
- Crosstalk: < -100dB
- Input Impedance: 10k ohm
- Output Impedance: < 100 ohm
- Digital Control: USB (Front Panel) or GCon card edge interface (via _TITAN chassis)
- Plugin Formats: VST2, VST3, AU, AAX, AAX DSP
- Module Type: 500 Series / ng500 (Double slot format)
- Power Consumption: 70mA per rail
- Unit Dimensions: 76mm x 133mm x 158mm
- Unit Weight: 0.7kg
- Warranty: 2 Years
- Explore WesAudio Premium Analogue Gear [_Prometheus]: https://wesaudio.com/product/_prometheus/



















