JC two Updated Feb. 6th. 2017 Jena Technologies
New Page on the JC two Pre amp

Some of the information about this projects history is on this page:

JC2. P&G
Above: This is a working version of the JC two
It includes the Penny & Giles Volume Control

John Curl is a good friend of ours, going back many years.
Jennifer is one of the best Analog Vacuum tube differential design, designers on the Planet.
John curl is legendary for his designs. http://avmax.tech2.in.com/features/science-and-technology/designer-profile-john-curl-parasound/928464

He once long ago said that it was a good thing for him that she was not building in Solid State, as he would be in trouble.
As it turns out they have become best of pals over the decades, and have actually been collaborating on a next generation JCtwo family of products for a few years now.

John Curl and Jennifer Crock share the same initials..."JC"....the new product line will feature a play on this. This basic circuit John invented, and the products that employ it have often been referred to as the JC-2...In this case, with 2 JCs, the new identification tag is going to be "JC - 2 a higher power" This affordable rebuild is being named preliminarily the JC-two ch, ....the CH being a nod to portions of the preamplifier having been carefully sourced from selected Chinese manufacturers.

We have plans to offer very high end JC-two variants very soon, made with all the very best components and engineering. One version will be for the unbalanced RCA equipped system, and another for the fully balanced XLR system. The preamps will also be offered with an optional headphone driver stage that can be fitted to either model, Coming along after the preamp is the first truely high end music program equalizer since the days of the Cello Audio Pallete, a product of more than 2 decades ago. There are also a few other exotic signal manipulation systems that are being engineered for the disc mastering engineer. not likely to appeal to the home music enthusiast.

Mike at JENA

JENA Technologies

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