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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A creased piece of paper is more rigid than a straight piece of paper. So we had to find ways to alter the MDF’s damping. I would expect high distortion. My results seemed to question the low frequency claims as well.

DIY Audio Projects Forum • Fostex FEEZ Gemme Audio Vivace Speakers

Fortunately, it was designed for such use low mass and low inductance equal rising frequency response and no bass. Enter the Montreal-based Gemme Audio Concertia modern high-tech variation of fostexx venerable rear-horn loaded loudspeaker. Speaking of contradictions, the same reverse psychology took place when I designed the Basso the bass cabinet companion of the Concerti.

Music became curiously more real and visceral.

Users browsing this forum: There is a Mr. Not as directive as the bigger siblings, it has marvelous midrange, a nice top end and gives credible acoustic bass, which is kind of spectacular considering the small 2. It would be great to see some “for free” Vivace drawings on the internet, so all the homebrewing people could be able to make a copy. This review page is supported in part by the sponsor whose ad is displayed above.


Fostex FE108EZ 4″ Full Range Sigma Series

He was impressed with the sound and was interested in selling the same speakers to others. We are still in business based in Montreal, Canada – and hopefully for a long time to come!

We are constantly fiddling with the design of the Concerti.

Occasionally — as in the case of Robert or Green Mountain Audio’s Roy Johnson — someone has truly poured their heart and soul into their product and it seems only fitting to share this whenever possible.

Jean-Pierre then takes over and tests everything on all kinds of equipment chip amps, solid state, tubes of all varieties, different CD players, etc.

There was no way we could drop the price without changing the basic design of a perfectly foste horn path. My results did not seem to show its response as being too impressive or the fostfx of break through that they were marketing.

But after we get the fe18ez sound, we have to think about the home into which it will fit. Vivace, Tanto and Katana. So the corporate focus is working with clients once they’ve decided that the sound we offer suits them – to get exactly the right product variations.

You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You fostsx post attachments in this forum. You can find information on our web site at www.


DIY Audio Projects Forum

In pure horn fashion, the enclosure would need to be 10 times as big. In order to get some bass output, the Sigma as well as all Sigma models and most Fostex drivers in general needs to be loaded by a horn enclosure. Regarding the piano finish, it’s very important to understand that we do not fe180ez automotive finishes i. The answer was to use polyester lacquer on all inside curves. I’m a piano freak and in acoustic music, bass is only part of the equation.

Nothing can approach the sound of a full horn setup. The air trapped inside the compression chamber is – well, highly compressed.

Hi Kramme, I think this link might help with your questions. For instance, all current production Concerti feature pebble grain leather in the mouth area on fsotex of the polyester seal this reduces micro turbulences by creating an air cushion around the surface pretty much like a golf ball.

I was not interested in building any more of those.