A design Icon from Sonab Sweden OD 11. In excellent original condition
OD11 also known as the ”Carlsson-cube” is the smallest and easiest to place Carlsson-speaker of all. At its introduction in the seventies it struck all the hi-fi reviewers with awe. How could such a small speaker go so low? The reason was of course Stig Carlssons thorough bass-reflex design and the fine speaker units, the 6.5 inch Peerless mid-woofer and the Peerless conetweeter MT20HFC. These conetweeters can be found in all the Carlssonspeakers from the sixties and seventies. The models from the seventies all have high quality crossovers and innovative boxdesigns with recessed and angled speakers in a cast baffle made from ABS-plastic. The speakers are set in a very uncommon way in baffle of the OD11. The speakers are pointed out of the box in a way that so far is not equalled by any speaker manufacturer in the world. The direction of the speakers is diagonally upward and outward! The direction of the sound goes out from the corner of the cabinet. This gives several possibilities for placing the speakers. In the original manual several listening position for the speakers are mentioned. Unusual examples: Wallhanging, diagonally downwards or wallhanging diagonally upwards or standing on the floor against the wall firing into the wall. Feel free to test the different ways. The speakers came with wallbrackets and a template for drilling the holes in the wall. The four feet gives the OD11 the correct distance to the wall / floor for the port tube. The use of wallbrackets does not affect the distance for the portholes. A smart idea that results in the OD11 sounding its best in almost any position.
The OD11 is a two-way monitor sounding as good standing in a bookshelf as on the floor. Even today the sound from a pair of OD11 is integrated and relaxed. You will find yourself forgetting that the speakers are both small and old, instead you will find your self to be spirited away by the good reproduction of the music. There is something very comfortable and right about the sound of the OD11. Perhaps the phase-problem from the other designs from the seventies that are using several tweeters in different directions is missing in the OD11. You might find that a pair of restored OD11 is all you will ever need for the rest of your life. The only missing item is the bass-response for the very lowest frequencies but if you live in a flat this might actually be an advantage.