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J2B's Moving Coil Step-up Transformer

CD/DVD/Blu-ray & Misc Hardware - forums.audioholics.com
A while ago I posted a teaser in the "what have you bought lately" thread about a project I've been working on, a Moving Coil Phono Cartridge Step-up Transformer.

With Gene's gracious permission, I've been allowed to create a thread and, with some limits on what I can and can't say and do ... this will be a commercial product available for sale at some point during 2018, and normally such a thread isn't allowed.

So, starting with my original post, quoted below, I will periodically update the progress. (Click on the "view attachment" links to see photos of the populated PCB).

Johnny2Bad said:

This might be against the forum rules, as it will eventually be a commercial product. To that end I have obscured some parts of the assembly so that the brand can't be read, and I'm not at this point offering any clues as to price point, where to buy (eventually), and so on. Hopefully that gives me the room to leave this up. This is the first and only forum where this will be posted.If anyone has had the patience and curiosity to read my sig, they might have noticed the lines:" ...Under Evaluation:...Various Phono Preamp designs (DIY)...Currently developing a commercial Moving Coil Step-Up Transformer product...."Well, the first prototype has been built, and it will be making the rounds for evaluation over the next few months. I'm excited about the whole project and just want to share. It is, technically ... some "new stuff that I've bought (for much more than just one copy is worth) and I do "care to share". That's all I will say as of now. attachment 23498


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