Tech That Flopped!


Every few months someone releases technology that seems to be revolutionary, but goes nowhere a couple of years later. Some tech gets acceptance and even imitation. Some goes wildly successful.

Ideas that are a huge success:
  • Acoustic suspension
  • Bass Reflex
  • Soft dome tweeters
Some ideas, well, it's not so clear:
  • Perfectly time aligned speakers ilke Thiel/Vandersteen
  • ESL
  • Line Arrays
  • Plasma tweeters
  • Transmission line
What tech have you seen come and go, was it worthwhile?

Best,

E
erik_squires

Showing 1 response by bwaslo

Well, the problem with "time aligned" speakers like Thiele, etc. is that they.... really aren't.  Yes, you can put a microphone at some position and get the direct sound pressure from all drivers to arrive at the same time there.  But only the acoustically naiive believe that only the sound coming directly from a driver to your ear is what matters -- most of the sound energy gets to you by other paths, and its effect is far from irrelevant.  The number of loudspeaker designs that are "time aligned" or "phase coherent" toward other targets than straight ahead is very very small.