FOSTEX FE127E DRIVER

I connected the unfinished speakers without the damping materials to my two Sonic Impact T-Amps. A Sealed Enclosure, often referred to as an acoustic suspension enclosure, is the simplest form of a speaker box. On my construction, I glued the front and rear baffle first and the sides last this has something to do with the finish I wanted. Bipole speakers do an excellent job of propagating sound out to the sides and they create a lot of room reflection as well as a direct radiation toward the listener. Solid Narra being Planed. Fostex users have said that break-in time for the drivers is at least hours. The following circuit was added to the speaker input terminal.

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Also, my new modded Sonic Impact T-Amps are designed for bi-amping. Used in the right location, wall loaded and in a smaller room, this foztex has very special sonics which can bring out spectacular mids.

Fostex FEE Full Range Speaker | eBay

Baffle Step Compensation Circuit. I had a lot of success with this driver in a Sealed Bipole Speaker Enclosure. On that basis, this project uses a sealed enclosure in an attempt to get the best mid-range performance from these drivers.

Note the chamfer behind the driver which was created with a router to give the drivers some room to breathe. Another ratio sometimes used is 0. Finally, the four Fostex FEE drivers arrive. Last update 17 December Created 12 November Unfortunately, with all the reflecting going on, many of the timing and phase cues are lost and thus fkstex is not as good as a monopole design.

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With a sealed enclosure, the back wave does not interfere with the front wave because it is trapped in the sealed fosstex. It is magnetically shielded for use near television or CRT monitor. In my opinion, porting the enclosure does not offer any advantage. Another positive characteristic of a bipole system is that the rear driver compensates for the baffle diffraction stepand thus no electronic correction circuit is required.

SEALED BIPOLE SPEAKER WITH FOSTEX FE127E

This in turn results in unpleasant distortions which are present throughout the mid-range. Created 12 November The sound is a bit brilliant and forward. The Fostex FEE driver is cm 4. Figure 01 shows the calculated frequency response. While these ratios may not result in aesthetically pleasing dimensions, it is best to keep the internal dimensions from being multiples of any another internal dimension.

Also, take a look at this thread for FEE modifications. I constructed a pair of small tower sealed bipole speakers using the 4. I connected the unfinished speakers without the damping materials to my two Sonic Impact T-Amps. For two FEE drivers, the optimum volume is about 12L. This speaker system is suited for small to medium sized room with low to medium powered amplification.

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Created 19 June As you can see, the parameters measured do not match very closely with those published by the manufacturer. The Fostex FEE is a mm 4. Fostex users have said that break-in time for the drivers is at least hours. Bass is tighter, but of course, you need a subwoofer for frequency lower than 80Hz.

Note – this driver has been discontinued and is no longer being produced. Even on a ported enclosure, the Fostex FEE drivers do not provide great bass extension, so I still would need a subwoofer. However, I chose to go with 23L for aesthetic reasons and to allow for an easy conversion to a T-Line had I been disappointed with the sealed results.

In addition to the cabinet bracing, small blocks of various sizes and shapes were glued to the inside panels in random and non symmetrical locations to further alter resonances and helped to use up the 1. Last update 12 Ofstex