Sachiko FE206E vs FE206ESR - diyAudio
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Old 8th December 2008, 01:10 AM   #1
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Default Sachiko FE206E vs FE206ESR

I own a pair of CarderSound Madisons (v1) which are Sachiko's that are made for people like myself who aren't adept a DIYing.

Has anyone here specifically tried a Fostex FE206E vs a FE206ESR in a Sachiko enclosure? If so, could you please describe the differences between the 2 different drivers in this specific enclosure? My Madison/Sachiko speakers have been running the FE206E's since I purchased them in July of 08 but, I have a pair of FE206ESR's that are NIB.

I'd consider replacing the FE206E's with the FE206ESR's "if" the sonics differences between these 2 drivers would merit the time it would take to remove the FE206's and have face plates made ---{ remember I'm not adept at DIYing, so I'd have to have someone make these faceplates for me }--- that would screw into the existing four pre-drilled holes for the FE206E's so I wouldn't have to deface the Rosewood veneer when I exchanged the different drivers.

I'd really appreciate ANY help on this topic. Oh yes one last thing has anyone used HEIL drivers ---{ as supertweeters }--- with any of the Fostex full range drivers and if so, how well did they sonically match?

Thanks,

Thetubeguy1954
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Old 8th December 2008, 01:25 AM   #2
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Hi Tubeguy,

You don't have to drill new holes. I'm pretty sure 4 of the 8 holes on the FE206ES-R's should line up with the four FE206E holes. It should only take a second to confirm that -- and four screws is plenty for testing.

I haven't heard those exact drivers, but I did two similar things:

1. Swapped out the FE207E's in a MLTL for the FE208-Sigmas
2. Swapped out the FE164 in a BLH for the FE166ES-R's.

In both cases, the very expensive high-end Fostex drivers were insanely better than the basic models. Sure it might not be the "right" thing but personally, I wouldn't hesitate to try.

Another alternative would be to get Planet10-modded FE206E's but since you already have the 206ES-R's, you might as well try. Plenty of people would happily take your FE206ES-R's off your hands if you don't want them.
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Old 8th December 2008, 03:35 AM   #3
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Well looky there, another Floridian, and only 50 miles away!


I second rjbond3rd's suggestion of at least seeing if 4 of the 8 screw holes line up. If you can get the ESR's to halfway mount safely and make a good seal, then go for it. I actually did the very same thing on a pair of DIY towers I built years ago when I changed out the mids from a pair of *cough* - Bose - *cough* mid-woofers to a pair of JBL mid-woofers from an old center channel.
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Old 8th December 2008, 12:35 PM   #4
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I did this on my 208 fostex recomended BLH. (206 to 206esr) If I rememeber correctly the holes do not line up but the swap is worth the time and effort IMO.

The 206esr really needs the phase plug to get the last bit from them.
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Old 8th December 2008, 03:10 PM   #5
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Bummer. I just held a FE207E up to the mounted FE208-Sigma and you're right, the holes do not line up correctly. Sorry for the false info.

Also, what's worse is that the round flange would not cover the holes in the square-ish flange. So rosewood dowels would be required to fill the old holes.

Easiest thing might be to clamp them in place for testing, with those blue clamps that have the soft yellow plastic "jaws".

If that's just way too much, the upgrade path is the Planet10-tweaked FE206eN's, which I've not yet heard (but I do have the FE127eN's and will post a mini-review soon).
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Old 8th December 2008, 03:26 PM   #6
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I've spoken about this before, on many occasions, but...

Ripping a driver out of a cabinet & stuffing something nominally 'better' into it should be approached with caution. A reasonable quality unit in a well-designed & optimised cabinet will outperform a high-end driver in an enclosure that hasn't been optimised for it. Sachiko was designed specifically for the FE206E -other, more expensive units may be used, but don't assume that you will necessarily get improved performance. Life doesn't work that way. The ES-R can be used quite well in this cabinet, but you may find a slight loss of gain at cutoff.
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Old 8th December 2008, 03:51 PM   #7
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Hi Scott, certainly you are right. My only thought on this is that lots of people are hoarding the higher-end Fostex drivers in their closets.

For pete's sake, people, get the drivers into a box before an asteroid hits the earth. Otherwise, get them back into circulation so someone else can. Life is short.
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Old 8th December 2008, 05:47 PM   #8
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Quote:
Originally posted by rjbond3rd

For pete's sake, people, get the drivers into a box before an asteroid hits the earth.

That's what I did with my FE103E's. Instead of storing them and waiting around to build enclosures for them, I stuck them in cardboard boxes, got them broken in with well over 300 hours and tweaked with BSC... And I'm ENJOYING THEM NOW!
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Old 8th December 2008, 05:52 PM   #9
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Quote:
Originally posted by Scottmoose
I've spoken about this before, on many occasions, but...

Ripping a driver out of a cabinet & stuffing something nominally 'better' into it should be approached with caution. A reasonable quality unit in a well-designed & optimised cabinet will outperform a high-end driver in an enclosure that hasn't been optimised for it. Sachiko was designed specifically for the FE206E -other, more expensive units may be used, but don't assume that you will necessarily get improved performance. Life doesn't work that way. The ES-R can be used quite well in this cabinet, but you may find a slight loss of gain at cutoff.
Hello Scott! Yes I remember you stating this before about using caution because a more expensive driver might not sound better than a cheaper driver the enclosure was specifically designed before! Fact is it's because of what you"ve said in the past that I very spefically asked: Has anyone here specifically tried a Fostex FE206E vs a FE206ESR in a Sachiko enclosure? If so, could you please describe the differences between the 2 different drivers in this specific enclosure?

I fiqured, "if" someone here actually tried that and "if" they achieved results where the sonic improvements between these 2 drivers in Madison/Sachiko enclosure that would merit the time it would take to remove the FE206's and have face plates made for the FE206ESR's I would do it. Otherwise since I haven't been working since 10/15/08 ---{ due to my disability }--- and while I'm waiting to see if my Social Security Disability payments will resume I need to start selling some of the audio goodies I'm not using. So if I was hearing from those who actually tried this exchange that it was a definite degradation of the sound as opposed to an improvement I could sell the FE206ESRs!

The reason I asked this question again is not because I don't respect your opinion, I respect your opinion very much so but, since we spoke I noticed on the Frugal Horn site in plans under the Sachiko enclosure it "suggests" FE206e, FE207e, FE208eS, FE206sER and Lowther as possible drivers to use, plus in the SETriodes forum at Yahoo another person who's has the Sachiko enclosure swears exchanging the FE206E to the FE206ESR is a dramatic improvement!

So believe it or not it was actually because: I value YOUR opinion that I didn't want to accept one person's opinion on this driver exchange, thus I asked the very specific question I did here, i.e., has anyone here actually tried this specific exchange of drivers and what results were achieved? Afterall just because exchanging to a more expensive driver doesn't guarentee an improvement in the sound, it doesn't mean it won't or can't happen, true? I would hate to sell the FE206ESR drivers and then later discover some people actually began trying the FE206ESR drivers in the Sachiko enclosure and everyone or at least most people who actually did exchange these 2 drivers loved the improvements they heard! Hence the question once more before making the decision to either use or sell the FE206ESR drivers.

No offense meant or intended to you Scott. If it wasn't for you I wouldn't presently own the very best speakers I've ever heard! For that I thank you once again. I hope now you understand why I asked this question one last time....

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Old 8th December 2008, 06:02 PM   #10
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Quote:
Originally posted by chops
Well looky there, another Floridian, and only 50 miles away!
Hey Chops email me @ thetubeguy1954(at)yahoo(dot)com Seeing as how you live so close perhaps you'd like to come over and listen sometime? My source is a BlueNote Stibbert CDP w/Sound Fusion damping columns and my amp is a Mastersound Reference 845, integrated, SET with 40W/ch.

I don't know many people in the area so another audiophile/music lover is always welcome.

Thetubeguy1954
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