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-   -   Fostex: FE164 vs FE166en (http://www.diyaudio.com/forums/full-range/176582-fostex-fe164-vs-fe166en.html)

robber222 3rd November 2010 08:52 PM

Fostex: FE164 vs FE166en
 
I own a pair of Odeon Rigoletto speakers. The Rigoletto comes standard with modded FE164 drivers.... the mod is basically just the removal of the whizzers. I have also "Mod-Podged" the cones and added phase plugs fashioned out of small vacuum tubes. This might be too general of a question (without more info), but I am wondering if replacing the FE164 with the new FE166en would bring anything positive to the table. Does someone have any thoughts on the subject? Thanks for your help!

planet10 3rd November 2010 09:28 PM

What range do the FE164 cover?

They are much closer relation to FE167 than FE166... 166 is more efficient and needs different box loading.

dave

rjbond3rd 3rd November 2010 10:26 PM

Hi robber222,

I have those same speakers! Speaking strictly as a newb, the biggest improvement was just disabling the tweeter and taking out the crossover, which it sounds like you've already done.

If you want to roll drivers, just be aware that the chamber volume needs to be carefully matched, and you'll be in "trial and error" territory unless you simulate the enclosure.

hego 4th April 2015 08:32 AM

I have a old fe164 pair with the suspensions fatigued.I think the Qts is now low.

¿Can I replace for a FE166En?

¿Are they similars?

The cabinet is a TQWT.

¿May be re-align only change the stuffing?

Cheers

planet10 4th April 2015 07:09 PM

You best bet for a drop-in replacement is the FF165wk

dave

Bob Brines 4th April 2015 07:33 PM

What Dave said. The FE164 was the direct predecessor of the FE167E which was the direct predecessor, well sort of, of the FF165WK. the FExx6 series is different.

Bob

hego 4th April 2015 09:25 PM

but ...

"FF-WK series are fullrange speaker units ideally and exclusively designed for a bass-reflex enclosure". Will works well on a TL, Horn or TQWT cabinet?

The Qes, Qms, Qts params are very similar as the old FE164 . Good.

Xmax 1.85mm more overhang as FE164.(1mm)
Re 6.5 Ohm (7.2 Ohm FE164)

Bob Brines 4th April 2015 09:42 PM

Yes they will.

Bob

planet10 4th April 2015 09:44 PM

Quote:

Originally Posted by hego (Post 4282641)
Will works well on a TL, Horn or TQWT cabinet?

If the cabinet is well designed… i am just now prepping FF165 for Frugel-Horn XL.

dave

hego 4th April 2015 09:59 PM

Well, I will try the FF165wk. The cabinets are a 20 years old Voigt-pipes.They work fine with FE164.May be It will need only some changes with the stuffing.

Bob and Dave... Thank´s


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