15 x 22 cm Waveguide of high-quality plastic for 25 mm tweeters. The exponential enlargement provides a high sound pressure level gain in the lower high frequency range, which discharges the tweeter. In addition, the focus and the coupling to a woofer are improved, because the sound generation planes move closer together.
This Waveguide was adjusted in width and length to 13 cm (e.g., AL 130 8 Ohm) and 20 cm (e.g., AL 200 8 Ohm) loudspeakers.
For the connection of the tweeter 4 pieces M4 screws (length approx. 10 mm) are added.
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