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Spectrum Thief

Spectrum Thief

EQ Match and IR Generator

Free Software Plugin

Download for Windows
Download for MacOS

Spectrum Thief is an EQ-matching plugin that can export impulse responses. Great for capturing the frequency response of speaker cabinets, or creating adjustment filters to tone-match your guitar tone (or even a full mix), to a reference sound.

The plugin is FREE and requires no authentication or registration, so grab your copy!

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Product Details - Spectrum Thief

Spectrum Thief details

Software Specifications

Supported Operating Systems

  • Windows 10 or 11 with 64-bit processor.
  • MacOS 10.15 (Catalina) or later.

Supported Processors

  • PC: 64-bit processors with AVX support (all Intel and AMD processors after 2013)
  • Apple Native Silicon support (M1 and later).
  • Apple 64-bit Intel support.

Plugin Formats

  • VST - Windows and MacOS.
  • Audio Unit - MacOS only.

Additional Information

Installation Guide

Windows Installation Guide

When installing on Windows, you may receive warnings while installing the software.

Please ensure you have downloaded the software from our official website (ghostnoteaudio.uk). Do not use versions found on any other website!

Your browser may show a warning such as this. Please click the arrow and select “Keep”.

Chrome download warning dialog

 

You may also get warnings when running the installer. Please follow these pictures to allow installation

    Windows installation warning dialog

    MacOS Installation Guide

    Our MacOS installer is digitally signed and verified by Apple. It should not raise any warnings when launching.

     

    However, in some rare cases the operating system may warn you about installing software downloaded online. In order to get around this warning, please Control-click the .pkg installation file, choose Open With -> Installer app

    MacOS context menu to install software

    A warning popup might appear, please click Open.

    MacOS warning dialog about unverified software

    Your installer should open and you can follow the normal installation process from there.