I've just noticed that fountek has released a new series of ribbons. Not sure if they're already available on the market, and I dunno the price. Spec wise, they seem better than the older series, as they require a lower order crossover. For instance, for the neocd3.0 a 3d order is recomended, for the new series, a 2nd order is suggested.
A comparison with other ribbons would be interesting.
A comparison with other ribbons would be interesting.
thinner ribbon:
+ higher sensibility
+ more extended frequency response in the treble
0 frequency response rises above 10KHz
- more fragile
I am using 0.0008 mm.
That is amazing, what tweeter do you have? Indeed the fountek have that dam bump above 10khz, though it's easily solvable by putting the speakers 15° off-axis.
With more fragile do you also mean less power handling, i.e. requiring a higher order crossover?
My DIY tweeter is described here:
http://www.diyaudio.com/forums/planars-exotics/195044-stackable-ribbon-module.html
With more fragile, I mean that the ribbon can break easily with wind. I have been using a 0.8 micron (0.0008 mm) ribbon for a few weeks now with a 1st order XO at 1000 Hz. It still works.
Bruno
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