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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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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. A 80 x mm board will take all the components and fit into the rear part of the Fosex cabinets, that is if It would be much too bright.

I’ve seen the FEE driver used in huge horn-loaded cabs – and I wonder how it sounds. The response from left and right speaker after installing the final crossovers. The FE driver Fostex frequency response and impedance profile. Fostxe frequency response and impedance profile. These drivers can do things few other drivers can do.

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.

Fostex FE126En 120mm 8 Ohm Full Range driver

Fostex FEE fullrange drivers. I’ve tried cross-calculation on the Fostex data right and something juts doesn’t fit. Due to the large magnet, it needs space to breathe.


Do not forget to chamfer well around the FE driver hole. No big surprises in the crossover layout. Listening to the FEE fullrange, this peak is clearly audible and creates at lot of sibilance on vocal recordings. Subjectively it has a nice bass presentation, but it doesn’t go deep. Frequency response again from 2. The smooth decline from kHz appear to be a sharp dip starting around 16 kHz.

Step response showing almost time-coherent performance and a smooth decline from the FEE driver. If you need more bass, ad a sub at Hz and possibly a 1st order high-pass filter for the Fostex, uF or more.

As for the W11XT miniI have to warn that 64 square centimetres of membrane, do not – and should not – move a lot of air. Individual and summed response of drivers through crossover and response from inverting tweeter yellow.

Driver placement on baffle. All technical questions at troels. I like the way it handles vocals and most importantly, piano. Cross-calculation on own data looks fine, but Mms is significantly higher and Qt fortunately much higher making a vented cabinet more appropriate. This looks really good. 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.

However, placed on a bookshelf, some room gain is achieved a more balanced presentation is possible. 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”. Can be glued in place after fixing the crossover board to the side panel.


Impact on frequency response of mid LCR circuit red and blue and the RC circuit in parallel with the bass series coil yellow. 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.

Now, comparing manufacturer’s 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.

Here we have the crossover board well away from the driver magnets. I think that one of the problems may be that these drivers actually are used fullrange.

Fostex FEEn mm 8 Ohm Full Range driver | Hifi Collective

For crossover kit, please contact Jantzen Audio at contact jantzen-audio. I’ll try this later. The minor peak at 5 kHz is the leftover from the FEE peak, damped by the 0. Don’t play them excessively loud, because they can’t.

As announced in the heading, the term “high-efficiency mini” fostxe to be taken with a grain of salt. Fostex has a large program of fullrange drivers and from searching the web, they appear to have a mixed reputation. For better or for worse.