Ever heard of a PECLA ?

I was reading an article from Resolution magazine about the design of some old school eqs/comps, and they talk about a PECLA 1VV. Google's got nothing on this... anyone? The article: resolutionmag.com/pdfs/TECHNO~1/techcraftsig.pdf The description: "PECLA 1VV ? This must be the original recording channel, but unfortunately is of unknown origin. The signal first passes through the compressor section, being very similar in design to the Altec 436. The PECLA offers additional... Read more