Ignite Amps has announced the release of PTEq-X, a free vintage tube program equalizer plugin for Windows and Mac.

PTEq-X is a digital emulation of 3 famous vintage passive program equalizers, developed to have all the characteristics of the original hardware, plus some circuit improvements and additional features to increase its versatility.

See also: Ochre free analog-style equalizer by Acustica

Every single component on the signal path of the real analog circuit has been taken into account and modeled in the best possible way to match the original sound, keeping an eye on CPU performance and real-time playability at the same time.


  • 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 H3C 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 mathematical tube models.
  • Fully automatable controls.
  • Ignite Amps proprietary preset management system with bank file import/export functions.

PTEq-X is designed for use in various situations such as a studio equalizer for tracking, mixing and mastering.

PTEq-X is now available for free and instant download at Ignite Amps. Versions include VST/AU for Windows and Mac, with 64-bit support.

More info:

Free PTEq-X vintage tube program equalizer plugin by Ignite Amps

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