A major cornerstone that yields unparalleled performance is the ultra low loudspeaker room interaction, which considerably reduces the negative impact of sound reproduction in ordinary, real world rooms.

Typical high-end loudspeakers excessively interact with the room, and there is no easy solution for such a major problem! When THE FORCE was engineered, great efforts were made to avoid this Akilles heel of loudspeaker design. So, how was this done? Let us take a closer look.

Room Modes

Room modes is the term used to describe the standing waves of sound that occurs primarily between parallel walls when wavelength multiples of the sound coincides with given dimensions of the room. Those frequencies will be enhanced or dampened by as much as 10-20 dB depending on your listening position.

"Better to start
from a full dipole
design which inherently cooperates with
the room."

The effect is that most rooms boom. They have their own bass personalities, often resulting in a clouded and bumbling bass. It is simply not possible to listen to the true bass output of a box speaker unless it is done in free floating space! And to make things even worse, the booming occurs very differently depending on your position, making it very difficult to achieve a uniform listening experience for more than one person. We must have all been to a high quality speaker showroom where they immediately place the speakers on markings of masking tape and make you sit in a specially marked out position.

Digital Room Correction

So called digital room correction can help to lessen the increased frequencies from the room modes, but make things worse if the dips are addressed. Digital room correction is further flawed by making improvements limited to a single (mathematical) point, which is of zero extension, and that is very much smaller than the distance between your ears. At any other point the result will be much worse than before the correction. Again totally defeating the uniform listening experience for more than one person.

Monopolar vs Dipolar

Stereo and Surround Sound

Box Loudspeakers

Symmetrical Radiation

Zero compromizes

Super silent glass (SSG)

Full Dipole


Many people have asked about our Super Silent Glass (SSG) technology so we have decided to publish the following study with further information. Enjoy!

Download the study (PDF, 572 kb)

A box speaker is a monopolar sound source, which basically is the physical equivalent of a pressure source with a non-linear, omni directional radiation pattern. The consequence is that a monopolar speaker maximally connects to the room modes, making it almost impossible to get clear and uniform bass.

Dipolar speakers in contrast are velocity sources, with a figure–8* polar response. Dipolar speakers can never excite all room modes, and always excite room modes less than monopolar speakers, whereas monopolar speakers can excite all room modes fully.

Because a dipolar speaker couple less with the room, and less energy is then stored in room resonances, dipolar speakers can reproduce sound with less room participation, and therefore reproduction (especially bass) from dipolar speakers is more articulate, accurate, and realistic.

THE FORCE behaves essentially as a full dipole source and even better as a dipole line source. A line source radiates only horizontally, not up and down. This radiation pattern eliminates the participation of the ceiling and the floor. The result is a shockingly clear and accurate sound stage, with such realistic percussion and bass, as you never thought to be possible.

* The PERFECT8 name is derived from a "perfect figure–8".

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