FOSTEX FF165K PDF

Fostex Speaker Model. Part Number. ” FULL RANGE, FFK. • ” FULL RANGE • KENAF paper/ fiber composite cone • Foam surround • 94db sensitivity. Features. ♢mm ( in) cone type full range. ♢8 ohm impedance. ♢fo to17kHz frequency response. ♢94dB sensitivity at 1W/1m (ft). ♢kg ( lb) net. I’m planning to use a Fostex FFK as mid/high driver together with a Fostex tweeter and Beyma woofer. Active x-over between de Beyma.

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I was going to go with the 8″ Fostex but I don’t want bigger box and the 6. I think the match of horn geometry and damping with these drivers is critical to making them sound right. I made all my reservations this weekend.

FFK FOSTEX – HiFi-Do McIntosh/JBL/audio-technica/Jeff Rowland/Accuphase

These drivers love DHTriodes. It has 96dB sensitivity and if you bring in a good tweeter, maybe a nice ribbon above 5K, I think you’ll really have something. They sounded ok with 60 watt Sonus Faber amp but they love chip amps like 47 Labs Gaincard.

Well, not the same as what fostwx have in mind. I got the FEE in the mail late in the week.

FOSTEX FF165K Driver/pair

In any case, the FFK has 94dB sensitivity, works well as a full-range driver, betters its bigger brother in the treble but of course is not as good in the bass. Stock, it lacks some treble but this is easily improved upon. I can’t figure out what the FE Sigmas are doing but they look cool. But in my TQWT they sound excellent.

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They are amazing drivers for the money. I like the Jordan so much I stuck it in here anyway as a fine counter example. Audio Asylum Thread Printer Get a view of an entire thread on one page.

I’ve never seen a real curve of the LE 8 and I don’t flstex that much about their top end. I notice that Fostex seems to have three approaches for getting full-range performance in the treble.

As pointed out before, it appears that the high-efficiency drivers make the most out of a fff165k source and here we don’t see any particular advantage. Anyway, but after fine tuning with stuffing inside and around ff165m whizzer cone and placement the result is stunning and ff165o kidding here. The FEE has maybe just a tad less bass but the FFK has been broken in for some time now and has also had some damping material wrapped around its ribs to absorb nasty reflections.

I think I am going to put the FFK in a little bass reflex cabinet and coupled with my newly acquired radioshack supertweeters, should make for an interesting bedroom speaker.

The size and shape of the chamber directly behind the driver will help in this regard. The other horn cabinet was running my FFK which has been broken in for a month, I popped one of them in one of my cabs to do an A-B. They do have a tendancy to ‘shout’ if not properly implimented. The ‘wooly’ bass response may be due to overly damping the horn throat, although too little may result in a midrange peak.

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This one, however, needs some kind of tweeter and while I think the real maximum excursion is bigger than the spec, I would fostxe it gently with the “Jurassic Park” sound track.

But very thing turn out great! I would have assumed that the FEE Sigma was intended to be a direct replacement for the FEE, but the mid and top end make me rethink that. I am currently listening through some Emotive Audio b monoblocks which have killer power supplies and now the faults I had attributed to the drivers like have seemingly vanished.

The FEE seems to have a somewhat more “forward” presentation, with tighter bass a plus and some minor “shout” in the midrange a minus.

Posted by zobsky yahoo. I have not tried or heard the E or E sigma. The 4KHz peak of the uncorrected driver is easily taken care off and it’s pretty inoffensive.

The reason I when for the E is because I didn’t want fv165k lot of money on my first Single Driver atempt. The FE series uses ‘whizzer’ cones to good effect and the FF series uses an aluminum center.

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