Which 6 inch full range driver for next project?

frugal-phile™
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A Fostex from 2 decades ago. More sensitive than teh MAOP 10, but wants a horn and a hihish output imopedance amplifier. Has the fabled Fostex resonances (can be tamed somewhat). But not near as refined or as versatile as the smaller MAOP.

No expereince with the Satori.

Hard to beat the Markaudio, at least wothout dropping serious coin. If i wanted to make them better i’d add helper woofers & biamp.

dave
 
I have Fostex FE168EZ Sigmas, EnABLed and in ML-TQWT driven by No-feedback amps like DIY M2, F7 and others. In room response is upto 30Hz. Compared to a host of high end speakers I have heard, including smaller MA drivers in recommended cabinets, these are more real in their presentation of all genres of music.
 
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Already have done two project with Satori 6 inch and 5.25 MAOP10. Planning to try something new with 6 inch driver.
Please suggest some good driver which can be on same level or above Satori or MAOP10.
Thinking about Fostex https://www.fostex.jp/wp/wp-content/uploads/2014/08/fe168ez.pdf
a friend of me replace in his satellite speakers the FOSTEX driver under
https://www.fostexinternational.com/docs/speaker_components/pdf/fe166erev.pdf
by the version with high quality basket under
https://www.fostex.jp/wp/wp-content/uploads/2014/08/fe168ez.pdf
(mentioned in post #1) and don't note at whole an enhancement regarded the sonic performance.

He is thinking about getting one of these drivers as a replacement to get a real sonic improvement over the currently used FOSTEX FE166:
https://www.seas.no/images/stories/prestige/pdfdatasheet/FEA18RCZ-H1794-08_Datasheet.pdf
or
https://www.supravox.fr/en/products/165-2000-mk2-haut-parleur-large-bande-35w-96-5db-6-ohms
or
https://www.hificollective.co.uk/drive-units/cube-audio-f8-magnus.html
https://www.klangloft.de/diy/579/cube-audio-f8-magus-diy-breitbandlautsprecher
https://www.klangloft.de/diy/656/cube-audio-f8-neo-diy-breitbandlautsprecher

any experiences ?
 
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Perhaps more esoteric than necessarily better in every aspect, but are you aware of the Dayton Audio Point Source High Efficiency 6.5" woofer (link)? They claim 99db efficiency (@4 ohms) and are a very unique design. Though this suggestion is probably better if you're interested in a unique rather than strictly "better" speaker, or want to play around with flea-watt amplifiers.