It does not swallow energy like raw MDF. The four-inch Fostex FEEZ is an amazing driver. Not as directive as the bigger siblings, it has marvelous midrange . : Fostex FEEZ ‘Sigma’ – 4″ full range driver with paper cone and ferrite magnet. Fostex FEEZ Sigma Diametermm. Fibre Cone Full Range Features include a unique Hyperbolic Paraboloid shell diaphragm, UDR taniential edge.

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After those first projects, it was made clear that if I wanted to experiment more, it would be with my own allowance money.

The speaker is loaded into a very small sub-enclosure less than half a literthe compression chamber. Since there is no free lunch, there’s a downside to this too: To me, the scoop was the most beautiful enclosure ever. The whole enclosure sits on machined leveling feet. A creased piece of paper is more rigid than a straight piece of paper.

My speaker design career started in a destructive way.

In pure horn fashion, the enclosure would need to be 10 times as big. Using a critically damped design meaning a box with a larger volume of air than what would be required for a max-flat alignment gave us just enough volume to fit the driver and amplifier in a one cubic foot box and still get in-room extension to 15Hz with no boominess, just ultra fast transients.

The FirstHorn model has been dicontinued a while ago and this fe108ea was the basis of the VFlex. When I got older, I became hooked on harmonics, especially large pianos and room harmonics. There’s a lot of tweaking that will be done to extract the maximum transparency that the driver can achieve and I anxiously await your review for further tweaking suggestions.


Does the listed retail price include choice of finish colors etc? Polyester is used on pianos, it’s hard as glass and also breaks like glass if hit hard enough and transformed the MDF into something that was perfect for vostex design. The ‘s voice coil is 20mm while the Revelator’s foshex 38mm.

Being able to hear walls and boundaries also became an obsession. It’s very time consuming but it won’t crack after a couple of years like automotive finishes will on wood.

Fostex FE108EZ 4″ Full Range Sigma Series

Thanx to Gio and Mr. The product core is where we want it to be but the details are still being worked on. Since I’m not familiar with Gemme nor are our readers, could you provide some background history as well as a description of the Concerti? I don’t see much about the design on the Internet anymore so I assumed that they Gemme had moved on to a different design concept.

Regarding the piano finish, it’s very important to understand that we do not use automotive finishes i.

6moons audio reviews: Gemme Audio Concerti

It’s a wonderful piece of engineering and I guess it’s one of those examples where art meets science. Hello, I am the designer of the Vivace. Thu Jun 11, 8: Wed Jun 10, 4: The air trapped inside the compression chamber is – well, highly compressed. I had wondered if they had gone out of business or moved on to a different style of design. You just might forget fussing over traditional audiophile minutiae and instead re-explore your existing record collection and perhaps even expand into other music genres.


At this time, the Katana model has a lot fe108fz interest because we used a midrange Accuton foxtex to generate the fullrange sound.

I did not see the review and did not see tests results either, but it should be out soon. I sold him fostez horn I built.

Fostex FEEZ ‘Sigma’ – € : , Loudspeaker shop

That was the hardest part. Concerti v3 might or might not feature slot openings on the mouth’s sides to equalize the high mouth pressure with the low ff108ez pressure, designed after gun silencers. Exabot [Bot]Google [Bot] and 5 guests. My results did not seem to show its response as being too impressive or the kind of break through that they were marketing.

This means that the lighter cone has less inertia so it should be “faster” or easier to move.