Bettermaker Stereo Passive Equalizer

The Bettermaker Stereo Passive Equalizer (SPE) is designed for those who demand world-class EQ quality with the convenience of instant recall and DAW automation. Featuring a 100% analog signal path combined with digitally controlled parameters, the SPE delivers the warmth and musicality of legendary passive filters with the flexibility of modern technology. Whether in a mastering studio or high-end mixing environment, this equalizer offers precision, efficiency, and sonic excellence.

Key Features

• 100% Analog Audio Path: Legendary passive EQ circuitry for pure, transparent sound.
• Extended Hi-Boost Section: Features exclusive air bands at 20kHz and 28kHz.
• USB Connectivity: Integrates seamlessly with DAWs on both Mac and PC.
• DAW Automation & Recall: Control all parameters digitally via the dedicated Bettermaker plugin.
• Adjustable Output Level: Fine-tune with +/- 8dB of gain control.
• Instant Reset & Precise Adjustments: Digital control allows for perfect repeatability and A/B comparisons.
• Stereo, Dual Mono & Mid/Side Operation: Maximum flexibility for mastering and mixing applications.

Digital Control Meets Analog Purity

While the Bettermaker Stereo Passive Equalizer maintains a fully analog signal path, its control parameters are handled digitally, offering unmatched convenience and precision:

• Instant parameter reset and recall.
• Precise, repeatable adjustments.
• Perfectly linked stereo operation with a single control.
• Full DAW integration with automation capabilities.
• 32 programmable snapshots for instant session recall.

DAW Integration

The Bettermaker SPE integrates seamlessly with your DAW via USB, appearing as a HID device that can be controlled via the dedicated Bettermaker Stereo Passive Equalizer Plugin. You can program up to 32 automation snapshots, making it easy to recall different settings across an entire mastering session.

Advanced Digital Processing

The Bettermaker SPE takes hybrid processing a step further by incorporating a high-resolution **FFT analyzer** with digital and analog passive filter curve approximations. It also includes a 24dB/octave high-pass filter hidden under the Digital HPF section for additional control.

Technical Specifications

• Maximum Input Level: +24 dBu (balanced, 48kΩ input impedance)
• Maximum Output Level: +27 dBu (balanced, 50Ω + 50Ω output impedance)
• Nominal Audio Level: +4 dBu
• Frequency Response: 7 Hz – 30kHz (-0.5 dB, ISO-R40 sweep)
• Frequency Flatness: +/- 0.2 dB (20Hz – 20kHz, ISO-R40 sweep)
• Dynamic Range: 101 dB (20kHz bandwidth, +24dBu)
• THD+N Ratio: 0.009 % (20kHz bandwidth, +4dBu, 1kHz)
• THD Ratio: 0.0025 % (+4dBu, 1kHz)
• CMRR: > 70dB (20Hz – 20kHz, IEC 60268-3)
• Crosstalk: > 88dB (20Hz – 20kHz, +18dBu, channel to channel)

Equalization Control

• Low Boost/Cut Frequencies: 20Hz, 30Hz, 60Hz, 100Hz
• Max LF Boost: 15 dB (set to 100 Hz)
• Max LF Cut: 16 dB (set to 100 Hz)
• High Boost Frequencies: 3kHz, 4kHz, 5kHz, 6kHz, 8kHz, 10kHz, 12kHz, 16kHz, 20kHz, 28kHz
• Max HF Boost: 18 dB (all frequencies)
• High Cut Frequencies: 5kHz, 10kHz, 20kHz
• Output Gain: +/- 8 dB (0.1 dB resolution)

Build Quality & Power

• Unit Height: 2U Rackmount
• Depth: 140mm
• AC Power Consumption: 15W (2W in standby)
• Included Power Adapter: 100-240VAC

Why Choose the Bettermaker Stereo Passive Equalizer?

The Bettermaker SPE is the ultimate hybrid equalizer, offering classic analog warmth with the power of **digital recall, automation, and precise control**. Whether you’re a mastering engineer looking for a high-end passive EQ or a mix engineer needing the flexibility of digital recall, the **Bettermaker SPE** delivers superior sound quality with modern convenience.

With its high-resolution **touchscreen control**, DAW integration, and **mastering-grade audio performance**, the **Bettermaker Stereo Passive Equalizer** is an indispensable tool for audio professionals worldwide.