33 cm spherical loudspeaker as bass reflex system. Equipped with one 17 cm bass/midrange and four midrange/highrange drivers which have a good directivity pattern at off-axis angles and therefore provide a uniform and pleasant sound quality. The KL 33 can be connected to a 100 V network or a normal amplifier (4 ohm). 
Typical applications:
- Public address systems in rooms with high ceilings, such as shops, showrooms, supermarkets and exhibition or production halls.
Attributes:
- Plastic cabinet and metal grille
- 100 V transformer
 
Technical Data:
|   |      
                                                   | Rated power |          50 W |      
                        | Maximum power |          70 W |      
                        | Transformer matching |          12; 6; 3; 1,5 W/ 4 Ohm |      
                                           | Frequency response |          70–18000 Hz |      
                                 | Mean sound pressure level |          86 dB (1 W/1 m) |      
                        | Max. sound pressure level |          97 dB (12 W/1 m) |      
                        | Opening angle (-6 dB) |          64°/4000 Hz |      
                                                                     | Net weight |          4,6 kg |      
                                                                                                                                                                                                                                               | Length of cable |          3 m |