BettermakerValve Stereo Passive Equalizer

Product overview
About this model
Classic passive equalizers are prized for their musicality, openness and effortless tonal shaping, but traditional designs have always come with one major limitation: recall. The Bettermaker Valve Stereo Passive Equalizer solves that problem by combining a fully analog passive EQ circuit, transformer-balanced outputs and a vacuum tube drive stage with digitally controlled precision and complete DAW integration. Designed for mastering, mix-bus processing and high-end tracking applications, it delivers the broad, musical curves engineers expect from a premium passive equalizer while adding modern workflow features such as total recall, automation and preset management. The result is a processor that captures the warmth and depth of classic analog hardware without sacrificing speed or convenience. Passive EQ Character Enhanced by Vacuum Tube Saturation At its core, the Valve Stereo Passive Equalizer features a true analog passive equalization circuit capable of broad, musical tonal shaping across the frequency spectrum. Dedicated low-frequency boost and cut sections allow powerful bass contouring, while selectable high-frequency boost bands extend all the way to 28kHz for the airy openness often associated with mastering equalizers. A vacuum tube drive stage and transformer-balanced output section further enhance the signal path, adding harmonic richness, depth and analog character. Activating the HEAT function drives the tubes harder for additional saturation and color while automatically maintaining consistent output levels. Modern Recall, Automation and Workflow Integration While the audio path remains completely analog, all control functions are digitally managed and fully integrated with the included DAW plugin. Engineers can save and recall presets, automate settings, create session snapshots and instantly compare different processing approaches without manually resetting controls. The plugin also expands the processor’s functionality with dual-mono operation, spectrum analysis, digital high-pass and low-pass filters, Auto Audition mode and graphical EQ curve editing. This hybrid architecture delivers the workflow advantages of software while preserving the sonic integrity of premium analog hardware. Built for Professional Mastering and Hybrid Studios Engineered for demanding studio environments, the Valve Stereo Passive Equalizer combines balanced XLR connectivity, high-headroom analog circuitry and comprehensive DAW compatibility in a compact 2U rackmount chassis. Internal state memory preserves settings through power interruptions, while firmware updates and plugin enhancements help support long-term functionality. With transformer-balanced outputs, mil-spec NOS vacuum tubes, extensive recall capabilities and a highly musical passive EQ design, the Bettermaker Valve Stereo Passive Equalizer delivers the analog character, precision control and workflow flexibility demanded by today’s mastering and mix engineers.

Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
13 detailsConnections & power
- Output Gain Resolution
- 0.1dB (1dB in Quantize mode)
- Input Level Metering Range
- -15dBu to +24dBu
- USB
- USB connection for DAW control, automation, firmware updates, and preset recall
- Input Impedance
- 48 kohm balanced
- Output Impedance
- 120 ohm (30 ohm with HEAT enabled)
- Power Consumption
- 18W maximum
- Output Stage
- Vacuum tube drive stage with transformer-balanced output
- Output Gain
- ±8dB
- Audio Inputs
- Balanced XLR
- Maximum Output Level
- +22dBu
- Audio Outputs
- Balanced XLR
- Power Supply
- External 100–240VAC adapter included
- Maximum Input Level
- +24dBu
4 detailsSize & weight
- Weight
- 6
- Shipping Dimensions
- 23.6 inch × 11.8 inch × 7.9 inch
- Depth
- 5.5 inch
- Unit Weight
- 6.0 lb.
1 detailsIn the box
- Standby Power Consumption
- 2W
18 detailsOther
- Signal Path
- Analog passive EQ with transformer-balanced output and vacuum tube drive stage
- Transformer
- Bettermaker TT-1 output transformer
- Nominal Operating Level
- +4dBu
- Low Cut Frequencies
- 20Hz, 30Hz, 60Hz, 100Hz
- Display Resolution
- 1440 × 900 or 1280 × 960 minimum
- Heat Mode
- Variable tube saturation circuit
- Low Boost Frequencies
- 20Hz, 30Hz, 60Hz, 100Hz
- Maximum Low Boost
- 15dB @ 100Hz
- Model
- Valve Stereo Passive Equalizer (VSPE)
- Maximum Low Cut
- 16dB @ 100Hz
- Ram
- 2GB minimum
- High Cut Frequencies
- 5kHz, 10kHz, 20kHz
- High Boost Frequencies
- 3kHz, 4kHz, 5kHz, 6kHz, 8kHz, 10kHz, 12kHz, 16kHz, 20kHz, 28kHz
- Format
- 2U rackmount
- Plugin Formats
- VST3, AU, AAX Native
- Maximum High Boost
- 18dB
- Rack Size
- 2U
- Product Type
- Stereo passive equalizer with tube output stage




















