I recently bought the fostex 206 drivers , ran them in over 200hrs and built the fostex 208sigma cabinet. Some believed that these cabinets were superior sounding to the 206 suggested cabinets.
Well what a deflating experience, they sound terrible, no base at all , thin and insipid.
I read an old thread here which suggested the 208sigma enclosure was very good. Does it need any mods to make it work with the 206 driver ?
Well what a deflating experience, they sound terrible, no base at all , thin and insipid.
I read an old thread here which suggested the 208sigma enclosure was very good. Does it need any mods to make it work with the 206 driver ?
They should provide acceptable gain in the bass for a cabinet of that size. For e.g., the attached shows the 206 in 3 of the Fostex factory horn designs. Top = 206 cabinet, middle = 208ESigma cabinet, bottom = 206ES-R cabinet. None are especially distinguished, but it could be worse, so if things are as bad as you say, something's obviously wrong somewhere.
Attachments
Agreed about checking the polarity.
Horst, this is getting tedious. These are Fostex Factory designs which are to be found on their website, and the plans which come with their drivers. Surely you have heard of them? Look: they even have measurements.
Here's the FE206E horn http://www.fostexinternational.com/docs/speaker_comp/pdf/recom_enclose/206e_enclrev.pdf
Here's the FE208ESigma horn: http://www.fostexinternational.com/docs/speaker_comp/pdf/recom_enclose/208ez_enclrev.pdf
Sadly, the FE206ES-R plans are no longer available as the driver was a limited edition unit. I added it merely for the sake of completeness.
You will note that the 206 (the driver under discussion) actually performs somewhat better in the Sigma cabinet than it does in the regular 206 box, which really isn't all that great.
Horst, this is getting tedious. These are Fostex Factory designs which are to be found on their website, and the plans which come with their drivers. Surely you have heard of them? Look: they even have measurements.
Here's the FE206E horn http://www.fostexinternational.com/docs/speaker_comp/pdf/recom_enclose/206e_enclrev.pdf
Here's the FE208ESigma horn: http://www.fostexinternational.com/docs/speaker_comp/pdf/recom_enclose/208ez_enclrev.pdf
Sadly, the FE206ES-R plans are no longer available as the driver was a limited edition unit. I added it merely for the sake of completeness.
You will note that the 206 (the driver under discussion) actually performs somewhat better in the Sigma cabinet than it does in the regular 206 box, which really isn't all that great.
Yes, I'm aware of that thank you. You might have noticed that I'm not exactly a fan of these cabinets myself, as I said above. However, I assume you realise that whether we like them or not, they're actually rather popular.
Ever hear tell of something that goes by the term 'modesty'?
Yeah, I bet it would be in your opinion. Forgive my mentioning it, but I've yet to see you have anything good to say about a speaker that isn't designed by yourself. Very boring you know. I've nothing against your speakers; they appear to be interesting & creatively designed, & I'm sure they sound good. But could you ease off a bit on the advertising?
FWIW, speaking generally, I would regard the 208 cabinet as the pick of the Fostex boxes -I used to regard it as being pretty acceptable, but have slowly revised my views with the march of time. It still should give reasonable results (better than the stock 206 box), especially if a simple build is needed, with no fancy angles, but there are certainly other, far more capable designs out there, such as Ron's DallasII etc.
Thank you all
polarity is unlikely the issue. I reversed this several times and it made it worse if that were possible!
My initial thought was I did make a mistake building this but checked and checked and had a friend also go over it and cannot see an error. The other reason I thought there was an error is I heard the 206 cabinet with the 206 drivers and that was way better.
Interestingly I clamped wood over the mouth of the cab to make it sort of sealed and to my surprise it did sound better which makes me suspect there really is a major flaw somewhere.
What I do not know is how much the room affects the volume of the base- currently listening in a 2 car garage.
I really do not know whats going on here and was hoping for any diagnostic suggestions.
polarity is unlikely the issue. I reversed this several times and it made it worse if that were possible!
My initial thought was I did make a mistake building this but checked and checked and had a friend also go over it and cannot see an error. The other reason I thought there was an error is I heard the 206 cabinet with the 206 drivers and that was way better.
Interestingly I clamped wood over the mouth of the cab to make it sort of sealed and to my surprise it did sound better which makes me suspect there really is a major flaw somewhere.
What I do not know is how much the room affects the volume of the base- currently listening in a 2 car garage.
I really do not know whats going on here and was hoping for any diagnostic suggestions.
audioDIYier, thank you for the design plans
I glued the sides on
but I think will come undone with a rubber mallet and a firm wrist, that was my next move if I did not get any blinding suggestions. looks like I can adapt the existing 208 I have to the one you supplied
I can get wood quite cheap so will try another design if I cannot find whats wrong with this one.
That was going to be my next question- what is the consensus out there of the best cabinet suited to the 206 that a DIYer can build
I glued the sides on
but I think will come undone with a rubber mallet and a firm wrist, that was my next move if I did not get any blinding suggestions. looks like I can adapt the existing 208 I have to the one you supplied
I can get wood quite cheap so will try another design if I cannot find whats wrong with this one.
That was going to be my next question- what is the consensus out there of the best cabinet suited to the 206 that a DIYer can build
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