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Sample Waveguide - ST260This work © 2021 by Marcel Batík is licensed under CC BY-NC-SA 4.0
Note: The profile is not a part of the CE series. This is a predecessor with a somewhat higher DI. The smoothness of the acoustic response is nevertheless very similar. Depending on a crossover frequency, it can be used together with a variety of woofers of different sizes, from 8" to 12".
ST260 BEM results - free field simulation (Ath/gnuplot standard report - see User Guide for more info) :
Full-space polar map (0 - 180°; created with VACS):
Some practical realizations of this waveguide, including acoustic measurements: