Posted by Wayne Parham [ 64.216.179.54 ] on December 19, 2004 at 12:25:27:

In Reply to: Pi Seven vs Pi Seven-18 Heighth posted by Tobias on December 19, 2004 at 09:41:35:

The vertical dispersion is 40^o. So you can extend lines from the horn at 20^o angles to find where the pattern is. You'd be surprized how much coverage it provides. Every 33 inches away from the horn, the pattern widens vertically two feet, one foot up and one foot down.

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