Bettermaker Stereo Passive Equalizer
Description
Some equalizers are designed to correct problems. Others are built to enhance what is already great. The Bettermaker Stereo Passive Equalizer combines the musicality and openness of a classic passive EQ design with the precision, recall and workflow advantages of modern digital control. Featuring a completely analog signal path paired with comprehensive DAW integration, it delivers the broad musical curves, smooth tonal shaping and effortless top-end enhancement that have made passive equalizers a mastering staple for decades. Designed for mastering, mix-bus processing and high-end tracking applications, the Stereo Passive Equalizer pairs the sonic character of premium analog hardware with the convenience of total recall, automation and modern hybrid workflow integration.
Classic Passive Equalization With Modern Precision
At the center of the Stereo Passive Equalizer is a fully analog passive EQ circuit capable of delivering powerful low-frequency shaping, silky high-frequency enhancement and exceptionally transparent tonal balance. Unlike more surgical equalizers, passive designs excel at broad, musical adjustments that enhance a mix without sounding overly processed. Dedicated low-frequency boost and cut sections provide independent control for classic passive EQ shaping techniques, while the high-frequency boost section extends to specialized air bands at 20kHz and 28kHz for adding openness, depth and polish. A selectable high-cut filter and adjustable bandwidth control further expand the unit’s tonal flexibility while preserving its inherently musical character.
Hybrid Workflow With Total Recall and Automation
While the audio remains entirely analog, every control parameter is digitally managed and can be accessed directly from the hardware or through the dedicated plugin. Users can store and recall hundreds of presets, automate settings within a DAW and instantly compare different tonal approaches without manually resetting controls. The included software further expands functionality with spectrum analysis, session snapshots and additional digital filtering options available within the plugin environment. This hybrid approach combines the sonic advantages of analog processing with the speed, repeatability and convenience demanded by modern production workflows.
Built for Professional Mastering and Mix Applications
The Stereo Passive Equalizer is engineered for critical studio work, offering balanced XLR connectivity, low-noise operation, wide frequency response and exceptionally low distortion performance. Output gain adjustment, relay bypass functionality, state memory and firmware update capability ensure seamless integration into both analog and hybrid production environments. Combining analog fidelity, musical passive equalization and modern recall functionality, the Bettermaker Stereo Passive Equalizer delivers the tonal refinement, operational flexibility and workflow efficiency demanded by today's mastering and mix engineers.



Features
- Stereo passive equalizer with DAW control bridges analog and digital workflows
- Hardware recall and automation via plugin streamline complex session management
- High and low shelving filters shape bottom and top end with precision
- 101-step resolution enables exact recall and detailed automation moves
- Snapshot memory stores up to 32 states for instant session changes
- Flat reset function instantly returns all parameters to zero for fast setup
- Internal memory preserves settings after power loss for reliable recall
- High cut and output gain controls support final mix sculpting and level balancing
- 7Hz–30kHz frequency response maintains signal integrity across the audio spectrum
Specs
- Product type: Stereo passive equalizer
- Model: Stereo Passive Equalizer (SPE)
- Format: 2U rackmount
- Signal path: 100% analog passive EQ with digital control and recall
- Low boost frequencies: 20Hz, 30Hz, 60Hz, 100Hz
- Low cut frequencies: 20Hz, 30Hz, 60Hz, 100Hz
- Maximum low boost: 15dB @ 100Hz
- Maximum low cut: 16dB @ 100Hz
- High boost frequencies: 3kHz, 4kHz, 5kHz, 6kHz, 8kHz, 10kHz, 12kHz, 16kHz, 20kHz, 28kHz
- Maximum high boost: 18dB
- High cut frequencies: 5kHz, 10kHz, 20kHz
- Control resolution:
- • 101 steps (Low Boost, Low Cut, High Boost, Bandwidth)
- • 34 steps (High Cut)
- Output gain: ±8dB in 0.1dB increments
- 399 user presets with custom names
- 400 onboard memory slots
- A/B comparison
- Instant parameter reset
- Frequency curve visualization
- Peak and RMS metering
- Spectrum analyzer
- 32 automation-triggerable snapshots
- State memory with automatic recovery after power loss
- Power cycle counter and uptime clock
- Relay-based bypass
- Display: LCD touchscreen with on-screen QWERTY keyboard
- Control encoders: 5 velocity-sensitive rotary encoders
- Gain mode: Dedicated output level adjustment via HIGH CUT control when GAIN mode is active
- Maximum input level: +24dBu
- Maximum output level: +27dBu
- Nominal operating level: +4dBu
- Frequency response: 7Hz–30kHz (-0.5dB)
- Frequency flatness: ±0.2dB (20Hz–20kHz)
- Dynamic range: 101dB
- THD+N: 0.009% @ +4dBu, 1kHz
- THD: 0.0025% @ +4dBu, 1kHz
- CMRR: >70dB
- Crosstalk: >88dB
- Audio inputs: Balanced stereo XLR
- Audio outputs: Balanced stereo XLR
- USB: USB connection for DAW control, automation, recall, firmware updates, and preset management
- Input impedance: 48 kohm balanced
- Output impedance: 50 ohm + 50 ohm electronically balanced
- Plugin formats: VST3, AU, AAX Native
- Operating systems:
- • macOS 10.11–12 (Intel and Apple Silicon, except AAX)
- • Windows 8–11 (64-bit)
- RAM: 2GB minimum
- Display resolution: 1440 × 900 or 1280 × 960 minimum
- Power supply: External 100–240VAC adapter included
- Power consumption: 15W maximum
- Standby power consumption: 2W
- Rack size: 2U
- Depth: 5.5"
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