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I made a floating bridge pickup out of a Cortado. It’s mostly standard, but with the obvious changes. Sound samples, eq curves, commentary on that here.
I wrote up a build report for a Cortado – it’s over here, on my band blog. I was planning on modding it into a PZM/boundary microphone, but ended up needing this particular kit for a more standard purpose for a show coming up. The PZM project is still on the queue, though.
Nice build, solarbird! Nice instrument, cool band! Brach responded to the issues you raise in your build review personally, and on the forum here. Thanks for the beautiful photo!
This is not the Cortado Tin Can microphone, though it has similarities, but it is Cortado driven. It’s a crystal mic, more of the sort you’d’ve seen in the late 1930s and through the 1940s, with a large front-facing diaphragm. (That white disc is a solid piece, and that silver “can” is actually metal-tape-lined cardboard.)
Build writeup is in a couple of parts due to reasons, but the big one is here.
Version 3 (substantially improved) of the Cortado floating bridge pickup, an upgrade from the previous version above. Writeup and comparison sound samples here, but basically, the resonance plate now has a pressure chamber which you use with inserts to put pressure on the piezo’s crystal, and that changes the response profile a lot. Much less EQ needed in live use, which is a big usability win.
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