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inksmudger
0
Mar 17, 2016
Are we sure this is the TH900 driver? TH900 - Sensitivity: 100dB / mW. From the specs it looks like it might be the Denon D5000 driver with a sensitivity of 106dB / mW
fjrabon
456
Mar 17, 2016
inksmudgerAccording to the person I talked to, the D5000 driver is no longer made by Foster/Fostex, though current designs are virtually identical to it anyway. According to him, all of Foster/Fostex's 50mm bio-cellulose drivers are either the TH900 driver or the TH600 driver, and according to him the only actual difference in the TH600 and TH900 driver is a stronger magnet in the TH900.
Sensitivity as well as impedance will depend on cup design and venting ports in addition to driver model.
The person could have been mistaken, but he told me that, and he would have reason to know.
inksmudger
0
Mar 17, 2016
fjrabonEither way ... great driver, in a very nice wrapper, for a very good price :)
qu11355
169
Mar 17, 2016
fjrabondoes this hp come with the 600 driver or the 900 driver, the 900s driver are technical superior to the thxxo right?
fjrabon
456
Mar 18, 2016
qu11355Depends on what you mean by "technically superior" The only difference in any of the 50mm nd bio-dyna Fostex drivers is magnet strength. The TH900 has a stronger magnet.
It's getting harder to answer these questions without divulging info I was told not to repeat in forums. I'll put it this way, the magnets in these are stronger than the TH600 magnets, but the magnet in any given Teak is going to be slightly below the magnet in any given TH900. When they make these magnets, they don't come out at exactly a given Tesla rating (this was why the THX00 was rated at >1 Tesla instead of exactly 1 Tesla, like the TH600 was). The TH900, being the flagship model, has the tightest tolerances of any model in their line. On average the Teak magnets are slightly stronger than the magnets in the THX00, but there's a lot of overlap, and any given THX00 may be stronger or weaker in the magnet than any given Teak. That's all I can say without getting into trouble, and I will deny any of this if it comes down to it, haha.
All that being said, way too much is being made of the drivers. The drivers by themselves aren't responsible for the majority of the sound difference in the 50mm nd magnet bio-dyna line, same for the types of wood, that seems to make little difference. Most of the differences come from how the cup is sculpted (ie the cavity shape and volume), the size and location of the porting holes, the pads, and any damping materials that are or aren't applied. That's where the bulk of the differences come from.
Also the differences in efficiency in the line doesn't come from the drivers, but rather the cups, venting, damping materials, and pads. If you switch cups and pads on any of these headphones, the efficiency ratings will change. All of the 50mm dio-dyna line drivers are designed to have the same base efficiency, regardless of magnet strength (magnet strength in and of itself has little to do with efficiency).
Uzuzu
1431
Mar 18, 2016
fjrabonBasically this, man. 600 900 driver is practically the same but that aside you're right the design based around the driver offers the biggest changes (like all the t50 mods out there) but u concede the magnet strength isn't the same as the 900. fostex isn't stupid, they have to have a reason for people to spend that extra grand on their premium set. Basically what people are asking is if they are getting 900 quality sound no? I doubt it. 900s are their own sort of beast where I'm willing to bet this sounds more comparable to 600s/x00s in what you get for the money. Granted I haven't heard these but I'm not that impressed by the Fostex drivers to begin with. X00 was horrible and maybe I'm just a little edgy now. Well x00 isn't a horrible headphone, but it doesn't excel anywhere either. Despite the older 600s fatiguing your ears from bass or treble, at least they honestly excelled in one type of music being electronica, whereas the x00s work for any music but the mids are just kind of too bad for vocal enjoyment but they're a better all rounder. I'd rather buy some used 900s though above any at this moment.
fjrabon
456
Mar 18, 2016
UzuzuIt's more complicated than "the magnet in the TH900 is stronger." on average they are, but this has more to do with tolerances than it does strength. I can't really go into any more details about this, other than say they're TH900 based magnets in the Teak, but the average Teak magnet is going to be slightly weaker than the average TH900 magnet.
The main reasons the TH900 costs more are: tighter tolerances, wood used in cups, finish. Foster doesn't really care that much about letting their clients use TH900 design drivers.
You're right, Foster isn't stupid, but your interpretation of what that means is backwards: they're going to keep Creative (and its subsidiaries like E-MU) happy. Because Creative is a CASH COW for Foster. If Creative decided they wanted to release a super high end headphone that bested the TH900, Foster would jump all over supplying them, without even thinking twice. Several years ago Denon told Foster that they had to choose between Denon and Creative. Foster chose Creative without even thinking twice.
Ive heard the TH600, TH900, THX00, D7000, D5000, D1001, Teak and Walnut. The Teaks are right there alongside the TH900, but the TH900 is maybe a tiny touch bit more refined. However, the TH900 has a very V-Shaped signature that certainly isn't for everybody. I can't deal with the piercingness of the treble on them, personally. The Teaks are less piercing in the treble. They have a fuller midrange than the TH900 does. If you take the THX00, TH900 and Teak, I'd be willing to bet most people would be fairly split in preferences, because they're all tuned slightly differently. My preferences, personally, is the tuning of the THX00. But by a very, very slight margin over the Teak. I'm highly considering the Teak.
Villy
68
Mar 18, 2016
Uzuzu@Uzuzu, cool down dude, fj is not promoting anything here nor has a reason to spread rumors just for fun.
These are not Fostex cans, ok; Fostex is the manufacturer and make them for E-MU per the latter's specs/requirements/etc and that's all to it. The sound; well, I'm sure E-MU were looking to get the best sound possible for the money they spent given this is their flagship model.
Will the sound be better than 0XX, don't know but my guess yes for few reasons, main being E-MU I'm sure wants to establish itself with a bang and this is their chance. Ultimately, it is all in the ears of the beholder to make their mind about it.
Will it be similar to 900? I don't know but my guess is yes, it will be more similar than not. May be close enough for most people not to distinguish them without onerous listening sessions. For the trained and gifted ears, they'll probably be just a notch below 900. And again, it is in the ears of the beholder. Some people may even like them better, it's personal thing (for ex I'm not a Senn fan, not even 800 move me, so here you have it).
Form what I read this far, I expect them to be worth twice Massdrop's price if judged by their sound. And design, execution, finish, all impeccable, pure pleasure just looking at them I think we'll agree. And E-MU aren't dumb by leaving the cups clean of any logo stamping, they know people may be thrown off. Maybe one day, when they get some respect and Teak is the vital path that leads to it.
Will it bite a share, small or big from the 900's market? Very unlikely, very. It ain't gonna be the same headphone, and more importantly, most people by far who plunk grand and half on a set of cans will look for some cachet in the name, and E-MU ain't got any. A reason quite powerful this is, it has held true and will hold true forever.
I personally would love to have a set in ebony, and might as well get one.
qu11355
169
Mar 19, 2016
fjrabonThanks bro
Uzuzu
1431
Mar 19, 2016
Villyworth twice 449 might be a bit presumptious because most agree that fostex cans are overpriced for what you get (mostly just the th-900) but my opinion wasn't really up for debate with you. Fjrabon though, yes. I respect his knowledge and opinion and have seen his face here and elsewhere enough to know. I will admit though I was thinking of the magnet strength alone, I always thought the 600/900 driver was the same. Still, they almost are. I may pull the trigger on these with what info I have now, but only on a whim. I do enjoy the V-shaped fostex cans more than the ones flatter (x00) so long as the mids aren't "too veiled" for my tastes.
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