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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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If you need more bass, ad a sub at Hz and possibly a 1st order high-pass filter for the Fostex, uF or more. Now, comparing fosyex frequency response data with real-world measurements is always fun – or sad – because quite often we’re presented a lot of dreamwork and it takes some decent smoothing to create the graph from Fostex.

I would have been highly surprised if the FEE had looked as good as claimed because we’re so used to manipulated marketing frequency response graphs. Do not forget to chamfer well around the FE driver hole. Drivers in this category often have a dB rise in response towards higher frequences and the use of a whizzer cone on fostwx of the drivers may produce a harsh beaming treble. Impact on frequency response of mid LCR circuit red and blue and the RC circuit in parallel with the bass series coil yellow.

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. I think that one of the problems may be that these drivers actually are used fullrange.

Fostex FEEn Fullrange Speaker Driver (Transducer)

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. No need to flush mount the Fostex driver contrary to the ribbon tweeter that certainly must be fostrx perform optimally.


The speaker handles female vocals very well. These drivers can do things few other drivers can do. The FEE gostex 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”.

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. Frequency response again and port response blue. CSD of final set-up.

Fostex FE126En Fullrange Speaker Driver Transducer

The minor peak at 5 kHz is the leftover from the FEE peak, damped by the 0. Individual and summed response of drivers through crossover and response from inverting tweeter yellow. Listening to the FEE fullrange, this peak fosttex clearly audible and creates at lot of sibilance on vocal recordings.

Here we have the crossover board well away from the driver magnets. The apparent dB sensitivity cannot be achieved in a small vented construction. For better or for worse. The smooth decline from kHz appear to be a sharp dip starting around 16 kHz.

Fostex FEEn mm 8 Ohm Full Range driver | Hifi Collective

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. It would be much too bright. The response from left and right speaker after installing the final crossovers.

This looks really good. At least it seems we can agree on one thing: I’ll try this later.

Fostex FE126En 120mm 8 Ohm Full Range driver

Fostex frequency response and impedance profile. I add two rubber strips under the board and fasten it with two screws.

Subjectively it has a nice bass presentation, but it doesn’t go deep. Frequency response again from 2. Fostex FEE fullrange drivers. I’ve seen 126wn FEE driver used in huge horn-loaded cabs – and I wonder how it sounds. Driver placement on baffle. No big surprises in the crossover layout. As announced in the heading, the term “high-efficiency mini” has to be taken with a grain of salt. Well, from Fs to 5 kHz it really does look good, but the peak at 6. As for the W11XT miniI have to warn that 64 square centimetres of membrane, do not – and should not – move a lot of air.


However, placed on a bookshelf, some room gain is achieved a more balanced presentation is possible. For crossover kit, please contact Jantzen Audio at contact jantzen-audio. I’ve tried cross-calculation on the Fostex fosfex right and something juts doesn’t fit. All technical questions at troels.

Yes, it can be tuned to high SPLs, but the price to be paid is low-end extension. Point of crossover is a little above 3. I like the way it handles vocals and most importantly, piano. Don’t play them excessively loud, because they can’t.

The FE driver Fostex frequency response and impedance 126eh.

Cross-calculation on own data looks fine, but Mms is significantly higher and 1266en fortunately much higher making a vented cabinet more appropriate. 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.

Due to the large magnet, it needs space to breathe. Fostex has a large program of fullrange drivers and from searching the web, they appear to have a mixed reputation. Step response showing almost time-coherent performance and a smooth decline from the FEE driver.