Buy Fostex FEEn ” Full Range Speaker: Speakers – ✓ FREE DELIVERY possible on eligible purchases. Fostex FEEn mm 8 Ohm Full Range driver. The Fostex FEEn is a mm (“) 8 ohm, 45 watt, full range driver that features an mm strong ferrite. I have had the FE en drivers for almost a year in and out of the same If fostex could make a driver with the FE and the FF series together I.

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CSD of final set-up.

I’ll try this later. No big surprises in the crossover layout. Here we have the crossover board well away from the driver magnets.

costex No need to flush mount the Fostex driver contrary to the ribbon tweeter that certainly must be to perform optimally. All technical questions at troels. Yes, it can be tuned to high SPLs, but the price to be paid is low-end extension. Do not forget to chamfer well around the FE driver hole. These drivers can do things few other drivers can do. Listening to the FEE fullrange, this peak is clearly audible and creates at lot of sibilance on vocal recordings.

I’ve tried cross-calculation on the Fostex data right and something juts doesn’t fit. After finalising the crossovers and having the speakers driven by 20 watt PSE triode amps, I have to say I’m positivily surprised by these tiny Fostex driver. As announced in the heading, the term “high-efficiency mini” has to be taken with a grain of salt. Impact on frequency response of mid LCR circuit red and blue and the RC circuit in parallel with the bass series coil yellow.


Point of crossover is a little above 3. A 80 x mm board will take all the components and fit into the rear part of the PE cabinets, that is if Can be glued in place after fixing the crossover board to the side panel. Fostex frequency response and impedance profile.

Well, from Fs to 5 kHz it really does look good, but the peak at 6. However, placed on a bookshelf, some room gain is achieved a more balanced presentation is possible. The smooth decline from kHz appear to be a sharp dip starting around 16 kHz.

Frequency response again and port response blue. Frequency response again from 2. The FEE has a crisp, speedy presentation with no ringing and from the tuning shown below it has lots a presence and “let-me-shown-you-what’s-on-this-record”.

Fostex FE126En Fullrange Speaker Driver Transducer

Fostex FEE fullrange drivers. Subjectively it has a nice bass presentation, but it doesn’t go deep. For crossover kit, please contact Jantzen Audio at contact jantzen-audio. They have a crisp and vivid presentation and there’s enough bass to get a good idea of what is happening in the lower end of the spectrum. A midrange notch filter is needed to smooth the Hz range and the bass series coil is paralleled by an RC circuit further reducing the 7 kHz peak.

Cross-calculation on own data looks fine, but Mms is significantly higher and Qt fortunately much higher making a vented cabinet more appropriate. I think that one of the problems may be that these drivers actually are used fullrange. I’ve seen the FEE driver used in huge horn-loaded cabs – and I wonder how it sounds. The FE driver Fostex frequency response and impedance profile. Individual and summed response of drivers through crossover and response from inverting tweeter yellow.

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Fostex FEEn mm 8 Ohm Full Range driver | Hifi Collective

The response from left and right speaker after installing the final crossovers. The speaker handles female vocals very well. I add two rubber strips under the board and fasten it with two screws. This looks really good. Don’t play them excessively loud, because they can’t. Step response showing almost time-coherent performance and a smooth decline from the FEE foatex. Fostex has a large program of fullrange drivers and from searching the web, they appear fostx have a mixed reputation.

If you need more bass, ad a sub at Hz and possibly a 1st order high-pass filter for the Fostex, uF or more. Drivers in this category often have a dB rise in response towards higher frequences and the use of a whizzer cone on some of the drivers may produce a harsh beaming treble. The minor peak at 5 kHz is the leftover from the FEE peak, damped by the 0. Lightweight paper cones and large magnets strongly indicate we’re into a special corner of hifi where opinions easily divide into anything from praise to rejection.

Driver placement on baffle.

For better or for worse. I like the way it handles vocals and most importantly, piano.

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