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Re: 4pi: Cabinetmaker's build [message #99565 is a reply to message #99564] Tue, 07 July 2026 20:13 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 19057
Registered: January 2001
Illuminati (33rd Degree)

That chart shows the overall tonal balance, but it can't show the sharp dips we would expect to see from a crossover null.

If the polarity is right, you'll see nulls at approximately +-20 degrees above and below the speaker.  If it's wrong, you'll see a null on-axis.

Watch this video to understand what I'm expecting to see:

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