Version 0.7.0

Version 0.7.0

February 2, 2026

Overview

A major feature release focused on advanced EQ/DSP tools, enhanced simulation metrics, and improved configuration flexibility. This release adds Linkwitz Transform and shelf EQ options, group delay visualization, per-configuration power levels, and configurable warning thresholds.

New Features

Linkwitz Transform EQ

• Low Frequency Extension: Use the Linkwitz Transform to electronically extend the bass response of sealed enclosures
• Configurable Parameters: Set source F₀/Q₀ (your sealed system's Fc/Qtc) and target Fp/Qp
• Visual Feedback: See the transform's effect on the SPL response in the EQ overlay

High/Low Shelf EQ

• Low Shelf: Boost or cut frequencies below a shelf frequency
• High Shelf: Boost or cut frequencies above a shelf frequency
• Simple Controls: Just frequency and gain - no Q to worry about

Group Delay Graph

• New Visualization: See group delay (in milliseconds) across the frequency range
• Phase-Derived: Calculated from the derivative of the phase response
• Auto-Scaling: Graph automatically scales to show the full delay range

Reference Efficiency Display

• η₀ Calculation: Reference efficiency now displayed in the Driver Specs panel
• Sensitivity Conversion: Shows equivalent 1W/1m sensitivity in dB
• Calculated from T/S: Derived from Fs, Vas, and Qes per standard formulas

Per-Configuration Power Levels

• No more global power levels - set per enclosure

Configurable Warning Thresholds

• Port Velocity Warning: Adjust the port velocity warning threshold (default 17 m/s)
• Xmax Reference Lines: Toggle visibility of Xmax reference lines on excursion graphs
• Persistent Settings: Preferences saved to local storage

Xmech/Xdamage Support

• Extended Excursion Limits: Drivers can now specify Xmech (mechanical limit) and Xdamage (damage threshold) in addition to Xmax
• Visual Reference Lines: When defined, Xmech and Xdamage appear as additional reference lines on the excursion graph
• Color-Coded: Different line styles distinguish Xmax (dashed), Xmech (dotted amber), and Xdamage (red)

Improvements

EQ Editor Enhancements

• Added dropdown options for Linkwitz Transform, High Shelf, and Low Shelf filters
• Improved UI for Linkwitz Transform with source/target parameter groupings
• Better labeling of frequency field based on filter type (Cutoff, Center, Shelf)

Driver Specs Panel

• New Efficiency section showing η₀ and calculated sensitivity
• Support for displaying Xmech and Xdamage when available