Focal Twin6 Be Studio Monitors
them in my new house. These are amazing french studio monitors that cost over $6000 when new. They are good condiition we only a minor scuff on the left speaker.
Heres links for reviews.
The specs are below.
The Twin6 Be is an active, 3 way, professional nearfield/midfield speaker (3 built-in amplifiers – 2×150 100W rms), comprised of two 6.5 inch (16.5cm) “W” cone sandwich composite drivers, loaded by two large section laminar bass ports and a Focal inverted dome pure Beryllium tweeter. Both 6.5” drivers handle low frequencies but only one of the two (selectable) is passing lo-mid frequencies.
The reversed dome tweeter is a hallmak of Focal. As a result of more than twenty years of development into a tweeter that could produce a high output, but without requiring high energy input and without increasing directivity. And now the company is ready to make a major leap forward with the introduction of the pure Beryllium version.
SM6 line tweeter
The main advantage of the inverted dome tweeter or the full range tweeter…
The experience acquired over the last twenty years has allowed Focal-JMlab to push back the limits of reversed dome technology and the work on the suspension, driver shape, adhesives and materials have at each stage produced an improvement in linearity and bandwidth.
The research began by testing fibre domes, as a simple and less sensitive way to validate the advantages of the reversed dome with regards to energy response. Then the company introduced more rigid metal domes to extend the response in high frequencies, and with Titanium producing the most impressive results it has proved to be the most relevant choice. Today to exceed these limits and particularly to extend the response to nearly 40kHz, we need to move towards a material even lighter and more rigid. Already competitors have moved to introduce super tweeters to satisfy the extreme requirements of the new high-bandwidth sources. However, Focal-JMlab does not believe the adoption of the super tweeter is to be a satisfactory solution.
First of all, the distance between the tweeters, for frequencies where the wavelength is of the order of cm, poses serious problems of coherence. A filtering is imposed which destroys, by the losses and distortion of phase, the benefits introduced by extending the frequency response. So it is advisable to point out that simply extending the high frequency response is not an end in itself, as the ear is most sensitive to transients. The improvement with regards to the impulse response is only perceptible at a tweeter output far beyond the 20Khz, limit and to far beyond the perception of human hearing. We should not forget that Focal-JMlabÕs first objective was to design tweeters offering an optimum coupling, being able to integrate with the mid-range at sufficiently low frequencies and before the output of the mid- range begins to tighten or beam. Thus the only successful solution is, therefore, to produce a tweeter with an extended response that covers more than five octaves from 1 000Hz to 40 000Hz.
Beryllium – The ideal material for a dome. An ideal dome must combine lightness, rigidity and damping. Currently, only one material offers the possibility of a significant improvement. Beryllium. BerylliumÕs density is 2.5 times lower than Titanium and 1.5 times lower than Aluminium while its rigidity is 3 times higher than Titanium and 5 times superior to Aluminium. Which means that for a dome of identical mass, a Beryllium version is 7 times more rigid than one made of Titanium or Aluminium – which have similar rigidity for a given mass. Moreover, the velocity of sound in a Beryllium dome is 3 times faster than a Titanium version and 2.5 times faster than Alumi
- Date Listed:16/01/2020
- Last Edited:16/01/2020
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