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User Name Stay logged in? FEEZ enclosure? The fe and the fe both have bass reflex designs. If you haven't seen it yet, Madisound has a list of enclosure designs published by Fostex.
Look at the bottom of the info page for fostex in the cataloq. I think the fe is considered to be the better of the two and I believe its more efficient. If you want a smaller cabinet you might want to look at the fe It has a small bass reflex design and theres something quite appealing to the sound. Lots of designs on the web too. There are some really neat folded quarter wave pipes somewhere out there. There floor standers but very narrow and shallow.
If you want the design ask and Ill try and find it again. Yes the and the are different drivers. Hi Fan Fostex published recomended enclosures for their older Sigma line. Typically these drivers are used in back horns. I will post the graphic when i get a chance but basically the measurements for a Sigma old style with wizzer : 45 L bass reflex box Square port 3.
Find More Posts by Godzilla. I don't think the new ESigma will work in the same enclosure unfortunately -too much changed, not least the fact that this thing really does need a tweeter as it rolls off strongly around 12KHz. Pity -I'm not quite sure why Fostex did that.
The Mr Cynic in me suggests that it was so they could make more money selling tweeters and fancy caps However, as 'Zilla quite rightly oints out, it's a myth to think that low Q drivers won't work in anything other than a horn.
Job done. The FEESigma will do very nicely in the Factory Horn design I even think it looks good , but there's no reason why it shouldn't work in anything else. Give me a few minutes Find More Posts by Scottmoose.
Dead easy. Hardly had to think with this one. Here's a straight, Mass Loaded Transmission Line. If you haven't seen one of those before, they look like a nice, simple, floor-standing bass-reflex box, but they don't work in the same way. I won't go into theory here: have a look at Martin's site for more: www. This enclosure is 42" tall, 9. The centre of the driver is The port is 4" wide, and 2" long, and is located 4" up from the internal bottom. It might not even need this much. It'll need some baffle-step compensation too -give me a shout if you want the values.
Best Scott. Attached Images 1. Very cool Scott! Just for curiosity do the WS's do ported boxes like the one fostex recomended? Indeed they do: 1 reflex enclosure modelled at your request for the FEESigma good sir!
It's pretty good, though I cheated a bit and used a 3"x5. There's more ripple than the MLTL, especially up in the Hz region -but for a reflex enclosure, this is one of the very best I've seen with a full-range unit. No kidding. Also, it has a nicely damped roll-off below Hz, which should be useful when room-gain is factored in. Overall, I'd personally go with the MLTL, as it goes a touch lower, has that TL midrange I like the stuffing I think prevents some reflections coming off the internal rearwall and through the driver cone presents a milder impedence curve to the amp, and would also remove the necessity for a stand, but this is by no means a poor substitute.
Very impressive. BTW -are your Sigma enclosures built out of pine? Cheers Scott. Attached Images 2. Fan, I defer to the above opinions. Once again conventional wizdom proves more conventional then wise ;-. Scott, I had been blindly subscribing to the myth of low Q drivers.
Any idea why its generally believed best to avoid bass reflex on low Q drivers. Why does Fostex recommend that the driver not be used in Bass reflex designs. Im also wondering, given that the sigma is quite expensive, if this driver would be worth the expense for what Fan is looking for. I've never heard this driver so I'm not sure whats special about it, but I do have a feeling that if Fan is looking for a small BR, that there are probably more suitable drivers to do the job.
Im pretty taken with the dayton RS designs that have been popping up since the distortion measurements are so impressive and the price so low. Id be curious to hear what admirers of the Fostex have to say regarding its virtues.
Thanks Scott! Well, lookie there! Thank you for modeling the ported box. Unfortunately, I will not be building it but thanks for quenching my curiosity. Approx 1. The boxes are waiting for a couple coats of glossy poly. Peace, Godzilla. BB code is On. Smilies are On. Forum Rules. All times are GMT.
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Send a private message to Godzilla. Visit Godzilla's homepage! Send a private message to Scottmoose. Best Scott Attached Images. Cheers Scott Attached Images. Posting Rules. Similar Threads. Wtb: Feez. Which back loaded horn enclosure for FEEZ? Frequently Asked Questions Did you forget your password?
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