Inspired by the classic Pultec EQs and modelled using measured data and schematics from real hardware, using algorithms originally developed for the linuxDSP PEQ-2A, the PTC-2A is an affordable emulation of one of the most sought-after vintage EQs, for Windows XP / 7 Digital Audio Workstations.
 
System Requirements - Windows PCs: 
 
32Bit Systems: A PC Running Windows XP / 7 and a VST compatible host application.
64Bit Systems: A PC Running Windows 7 (64Bit) and a VST compatible host application.
System Requirements - Mac: 
 
Requires Mac OS X v.10.5 or later.
 
An AudioUnit (cocoa UI) or VST (32 or 64Bit) compatible host.
Download now also includes VST for Mac (32 and 64Bit)
 
home page:
http://www.overtonedsp.co.uk/download/download_ptc_2a/index.html