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Change Fostex FE206En for Tangband in Vulcan enclosure?
Change Fostex FE206En for Tangband in Vulcan enclosure?
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Old 18th October 2018, 12:04 PM   #1
hagbrain is offline hagbrain  Germany
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Default Change Fostex FE206En for Tangband in Vulcan enclosure?

Hi at all,

is there a chance to get an improvement in sound quality if I change from Fostex FE206en to a pair of Tangband 2145/1772/1808?

My enclosure is Scott´s Vulcan design. I use a DSP for correction.

Best regards

hagbrain
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Old 18th October 2018, 03:48 PM   #2
Scottmoose is offline Scottmoose  United Kingdom
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Well, what I can say is that the three TB drivers you mention have completely different electromechanical specs. and loading requirements to the Fostex they were designed for, so you will massively depart from anything resembling the response and behaviour I designed. Broadly speaking, I would anticipate some peaking in the upper bass region & a drop in output below that. The gain / gain BW was optimised for the 206 and its response characteristics.

Short version: I strongly discourage it. Trying to force drive units into enclosures designed for something completely different is rarely a recipe for success. There are exceptions, e.g. the current FH series which were designed to accept a reasonable range of drive units, but as a general rule, it's not a good idea.
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Last edited by Scottmoose; 18th October 2018 at 03:55 PM.
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Old 18th October 2018, 05:34 PM   #3
hagbrain is offline hagbrain  Germany
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Thats an answer I have expected :-) By the way, I build several enclosures for the FE206En but the Vulcan were by far the best. Thank you for designing it!


I dont know if I am the only one who think that there must be a possible improvement on this corner or the other of the audio system. So I cant stop to think about it and try. If the change is the wrong way, can you suggest some materials and places inside the enclosure to experiment with? Or is it the best as it is?
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Old 18th October 2018, 08:06 PM   #4
chrisb is offline chrisb
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hagbrain - if you’re asking Scott for specific recommendations on modifying (existing?) pair of Vulcans to “improve” it with another driver, I suspect his answer would be along the lines of “it’d make more sense to design for a specific application” - i.e. driver / room/ type and power level of amp - albeit, perhaps more colourfully worded than that
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Old 18th October 2018, 08:31 PM   #5
Scottmoose is offline Scottmoose  United Kingdom
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Oh, we're all looking for improvements. No harm in that, unless you get into the situation of chasing perfection, which is an end-of-the-rainbow pursuit if ever there was one (good enough is good enough). Be that as it may, to do those TB units justice, they'd need an enclosure design & optimised as far as practical for their requirements.

As for making changes to Vulcan (while leaving the driver as-intended) -not as such. I'm not suggesting it's perfect -of course it isn't, nothing is. And there are minor adjustments that can certainly be made to best optimise to a given system & preferences. But unless there is a specific goal / objective that you are trying to achieve, all we'd be doing is going around in circles or making changes purely for their own sake. If you can let me know by email what your goals are, we'll see what we might be able to do along those lines.
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