burokas
04-13-2011, 10:57 PM
I'm trying to model a couple of Seas drivers for a 2-way monitor. The distance between the center of the tweeter and the center of the woofer is 5.9". PCD is requesting that I enter this distance in meters, which would make it 0.15m. I'm interested in a response at tweeter level (0, 0, 0)? So would that make the woofer's vertical offset (y) = -0.15m? I've attached a picture to show what I'm doing. Is there anything that I need to enter in the Vertical and Horizontal Panning fields? The FRD and ZMA data has been traced from Seas' website and modeled in Response Modeler. Minimum phase has been extracted as well.
The tweeter that I'm using is the Seas aluminum dome with the DXT lens. If I don't enter the offset y = -0.15m, there's a dip at around 3kHz. If this distance is increased, the dip becomes smaller, if the distance is decreased, the dip becomes larger. Does this make sense? I've modeled the Seas DXT's diffraction in Response Modeler. Was this the correct procedure, or a wave guide tweeter cannot be modeled as a dome tweeter? Do baffle edges even effect a wave guide tweeter?
One other question, is there a way to model off axis response in PCD? For example, 15, 30, 45, and 60 degrees? I cannot figure out which settings will allow me to view that.
The tweeter that I'm using is the Seas aluminum dome with the DXT lens. If I don't enter the offset y = -0.15m, there's a dip at around 3kHz. If this distance is increased, the dip becomes smaller, if the distance is decreased, the dip becomes larger. Does this make sense? I've modeled the Seas DXT's diffraction in Response Modeler. Was this the correct procedure, or a wave guide tweeter cannot be modeled as a dome tweeter? Do baffle edges even effect a wave guide tweeter?
One other question, is there a way to model off axis response in PCD? For example, 15, 30, 45, and 60 degrees? I cannot figure out which settings will allow me to view that.