A.Circular, straight, tracrix horns. Double wall  
structure. Damping material between them.

1. 880Hz , 1’’ throat. 1kg.
2.440Hz,  1’’ throat. Optional base. 5kg
3.440Hz,  1,4’’ throat. Optional base.
4.440Hz,  1,5’’ throat. Optional base.
5.220Hz,  1,4’’ throat. Optional base. Almost 40 kg.
6.220Hz,  1,5’’ throat. Optional base.
7.220Hz,  2’’ throat.  Optional base.
8.150Hz,  1,4’’ throat.
9.150Hz,  1,5” throat.
10.   150Hz,  2’’ throat.
11.   110Hz,  2’’ throat. Almost 1m diameter and 1,5m long!
12.   110Hz,  3’’ throat ( JBL 2490).
13.   110Hz, any throat/ throat chamber/ phase plug/ closed rear chamber, suitable for mid/woofer, coaxial and fullrange drivers.

B. Elliptical, straight, tractrix horns. Single, damped wall construction.

1. 125Hz, any throat. Suitable for 8’’, 10’’, 12’’, 15’’ mid., mid/woofer, woofer, coaxial drivers.
CopyRights ©  sonus Aeterna 2009-2010