One of the most passionate groups of audiophiles and music lovers are those who own flat speakers. Some are planar speakers. Others are electrostatic or hybrid electrostatic. Some are just crazy designs and some aren't really that flat.
For over 40 years, there have been these divorce inducing speakers. Here's a tour of the best of today's flat and electrostatic speakers as well as some of the most historically important (or just crazy looking) speakers from the category.