Planar Magnetic Drivers: I can’t lower the critical frequency any more, Cap’n!

I’ve been working on headphones for a few months, with blocks of time concentrated around the receipt of new prototypes and flights of inspiration. I recently received my second set of prototypes. These are constructed by a manufacturer of flexible circuits, using copper for the traces and polyimide for the membrane. The total assembly thickness… Continue reading Planar Magnetic Drivers: I can’t lower the critical frequency any more, Cap’n!

A blog?

The way that my partner and I run Ploopy is sometimes a bit hard to explain. As a result, we usually don’t bother trying. It requires a lot of words. However, the questions keep piling up. Neither of us are answering them, so the pile keeps getting bigger. This blog will be a place of… Continue reading A blog?