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Product Description
The GOLY PG25 Porter Grinder Mastering EQ is based on the highly regarded “NetEQ”, by the late Barry Porter. After many years of listening tinkering with the design, building, and listening, and adjusting, and listening, and doing custom units with various solutions -- and listening -- the only thing that remains unchanged is the parallel filter section. The in and output sections, the high and low pass filters, the layout of the circuit, the Q circuit, and the whole implementation of it has been redesigned, and when the listening tests were done, GOLY took a really deep dive into the details and precision of all the controls. The result is still a Porter at its core, but also, very much a Grinder.
Compared to the basic Porter circuit, the in- and output sections were completely redesigned, the shelving filters were redone, an MS section was added, and GOLY rounded it off with a master gain control that basically works as a full frequency band.