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time-aligned speakers: stepped fronts vs. sloping fronts

Let me first say my understanding of these things is rudimentary.

But I was thinking about manufacturers who used stepped back fronts (several vertical planes) to achieve so-called time-alignment, vs. those who slope back the whole front baffle at a certain angle/rake.

Thinking about, for instance, the tweeter driver mounted on a sloped baffle, won't its axis of radiation be shooting at a corresponding angle upward, meaning that a listener located directly in front of the speaker and with ears at tweeter height would already be listening off-axis?  Or am I missing something?  Or is that the point?

twoleftears

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jaytor
766 posts
 
@bdp24 +1

Love Danny's videos.

I've read/seen so many articles and videos over the years where the author/commentator was clearly just speaking some marketing drivel that didn't make any sense. Danny's videos are a breath of fresh air. He does a great job of presenting the science and engineering behind various aspects of loudspeaker design and the trade-offs where they exist. 

Watching these videos convinced me to build some of his designs. I've been building the NX-Oticas for the past several weeks. Open baffle subs come next. 
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