You'll see nearly every process and step in the production of ALL of the transducers, from the low-end to high-end lines, including a few simple, physical demos of what makes beryllium such a special material for use in tweeters.
You will see how they QC test every speaker (and even speaker cabinets) with both measurements and by ear.
It covers their Car Audio, Home Hi-Fi, and Pro Audio/Studio Monitor products.
It is LONG, but it is THOROUGH. You'll realize why a lot of their drivers are so expensive. Very interesting and informative!
|+ YouTube Video|