Home » Sponsored » Pi Speakers » PiAlign.Doc Changed since 2001?
Re: PiAlign.Doc Changed since 2001? [message #50717 is a reply to message #50716] Mon, 19 February 2007 14:39 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18786
Registered: January 2001
Illuminati (33rd Degree)

That's one reason. The other is that the 9π/12π combination supercedes it. The old ten π was a folded horn that used a 2205, 2225 or 2226 driver. It had had just one fold, and its panels acted as reflectors for higher frequencies. So it could be used to relatively high frequency. But the midbass horn in the 9π also uses the 2226, and it is a straight horn. Naturally, this is a cleaner arrangement.


 
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