A nice find by Dennis over at Logic Pro Expert. A free Pultec style EQ for both Mac and Windows users.

Small plugin creator Ignite Amps have released PTEq-X, which they say is a plugin modelled after 3 famous vintage passive equalizers. On their website they say.

Pultec Eq Plugin Alliance

Pultec Eq Plugin Comparison

The plugin has been developed to have all the characteristics of the original hardware, plus some circuit improvements and additional features to increase its versatility. 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. PTEq-X is meant to be used as a studio equalizer for tracking, mixing and mastering inside hosts capable of VST or AU Plug-Ins support.

PTEq-X Features

Decibel meter app. PTEq-X is meant to be used as a studio equalizer for tracking, mixing and mastering inside hosts capable of VST or AU Plug-Ins support. This of course is one of the best sounding Free Pultec EQ emulations out there.

The Pultec is a passive tube EQ characterised by smooth wide curves that has been used on countless amount of records over the last 60 years. PSP is a developer of high quality audio plugins that have become a staple in many audio engineers diets. They have plugins ranging from precise mastering EQs. Marvel GEQ: Voxengo. Similar to the Overtone GEQ, the Marvel GEQ offers immense routing options. The Pultec is one of my go to additive EQ’s. Whenever I want to do some low or high end boosting, I’m typically reaching for a Pultec. They also sound amazing on your MixBuss, particularly when using the “low end trick” that I show you in the video. A Pultec also sounds wonderful when being used as a color box Just passing audio through the EQ without actually doing any EQ’ing tends to really enhance the.

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
PTEq-X features automatic output level scaling, meaning that when enabling/disabling the equalization modules or the tube gain stage, the output level will be kept constant, allowing accurate A/B comparisons.

Download PTEq-X here. The .ZIP file includes a user manual

Pultec Eq Vst