PTEq-X by Ignite Amps

PTEq-X is a digital emulation of 3 famous vintage passive program equalizers.

It has been developed to have all the characteristics of the original hardware, plus some circuit improvements and additional features to increase its versatility.

PTEq-X is meant to be used as a studio equalizer for tracking, mixing and mastering.


  • Three different equalization modules with perfectly analog curve response even at highest frequencies
  • Ignite Amps 3rd generation triode stage analog modeling for 4 different tube types
  • Additional selectable frequencies for the PEQ1A model, compared to the original design
  • Refined filters frequency precision for the MQ5 and HL3C models, compared to the original design
  • Switchable equalizers and tube stage modeling for better CPU usage management
  • Switchable linear phase oversampling for aliasing reduction
  • Global input / output level controls
  • Mono / Stereo processing support
  • Double precision (64-bit) floating point processing
  • Fully automatable controls
  • Ignite Amps proprietary preset management system with bank file import/export functions