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| Headphones (full-size) Discussion of full-size headphones. |
09-05-2008, 10:57 PM
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1000+ Head-Fi'er
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Join Date: Dec 2006
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looks great.
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09-05-2008, 11:19 PM
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Join Date: May 2008
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[QUOTE=Sovkiller;4671951]That could be a posibility in the case fo the PROlines, but the Edition 9 has absolutelly nothing attached, and is rated 8Hz-35KHz as well, so if the new 900 is 6Hz-42KHz, to me they are not the same drivers, unless measured differently, or under completelly different conditions....
The network is IIRC a couple of diodes only, nothing else, to limit the current and avoid to blow the drivers by any abuse/misuse, in the studio, the main purpose and use of them...
Guys I'm not the designer, and I'm not sure what the effect on the total impedance is, and what exactly they were looking for, and what kind are exactly those diodes (or maybe they are other component, but they looked like diodes to me) but all I can say is that while I measured the drivers with nothing attached, they measured identical, around 30 ohms....here is a picture of the inside of a PROLine
is this the innards of a stock proline? looks kind'a messy to me, and worthwhile to try chopping out the extraneous stuff and hardwiring the drivers... what do you think?
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09-06-2008, 12:54 AM
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Moderator:
Headphoneus Supremus:
Insulting his K-1000's would
begin the Battle of Karthage
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Join Date: Sep 2001
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Quote:
Originally Posted by jude
The Ultrasone PRO 900 arrived today. I've only just started listening to it. Here are some photos, including a couple that sort of show the driver. (Don't ask me to dismantle anything further, as the functionality of a thing tends to have an inverse relationship with the extent that I dismantle it.)
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chicken! 
Hi Jude! Nice pics! One question... Those larger diameter black circles in the picture... Are they soft tympanic like membranes covering larger holes in the baffle board, or hard plastic?
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"The society which scorns excellence in plumbing because plumbing is a humble activity, and tolerates shoddiness in philosophy because philosophy is an exalted activity, will have neither good plumbing nor good philosophy. Neither its pipes nor its theories will hold water." --John W. Gardner
"In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists." --Eric Hoffer
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09-06-2008, 02:39 AM
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Headphoneus Supremus
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Join Date: Jun 2007
Location: The best and brightest, MA
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Quote:
Originally Posted by jude
The Ultrasone PRO 900 arrived today. I've only just started listening to it. Here are some photos, including a couple that sort of show the driver. (Don't ask me to dismantle anything further, as the functionality of a thing tends to have an inverse relationship with the extent that I dismantle it.)
Click on any of the following photos to see a larger version of it.
NOTE: The protective clear plastic is still covering the earpieces, and I'm assuming I'm supposed to try to leave it on. (Again, I only have this pre-production PRO 900 for a few days.)
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Thanks for sharing the photos, Jude. Do you mind sharing your first impression on Pro 900?
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09-06-2008, 03:29 AM
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Headphoneus Supremus
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I'm curious about these cans also. Anxiously waiting for some pre and post burn in impressions.
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09-06-2008, 04:07 AM
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Headphoneus Supremus
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Ooo, better exposure of the middle of the driver than other Ultrasones...this thing might have more midrange =).
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09-06-2008, 04:35 AM
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Moderator:
Headphoneus Supremus:
Insulting his K-1000's would
begin the Battle of Karthage
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Join Date: Sep 2001
Location: PDX
Posts: 4,963
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Quote:
Originally Posted by MaloS
Ooo, better exposure of the middle of the driver than other Ultrasones...this thing might have more midrange =).
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It has the IDENTICAL same driver exposure as the 650, 750, and the 2500.
Pro-650 w/ added dynamat baffle board damping.
Further, exposing the middle of the driver, will not necessarily do ANYTHING more for the midrange. There is no correlation between one and the other.
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"The society which scorns excellence in plumbing because plumbing is a humble activity, and tolerates shoddiness in philosophy because philosophy is an exalted activity, will have neither good plumbing nor good philosophy. Neither its pipes nor its theories will hold water." --John W. Gardner
"In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists." --Eric Hoffer
"There are 4 things that can never be recovered in life; the stone after the throw, the word after it is said, the occasion after the event, and the time after it is gone." --Anonymous
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09-06-2008, 04:52 AM
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Headphoneus Supremus
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Join Date: Dec 2004
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Not how I remember the driver of my Proline 2500 - but memories can be faulty.
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09-06-2008, 05:14 AM
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Moderator:
Headphoneus Supremus:
Insulting his K-1000's would
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Join Date: Sep 2001
Location: PDX
Posts: 4,963
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Quote:
Originally Posted by MaloS
Not how I remember the driver of my Proline 2500 - but memories can be faulty.
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The only difference in the 2500 baffle board is that it has no pressure relief holes (5 white circles in an arc above the driver position) as do the 650, 750, and 900. The "grille" in front of the driver itself is identical in all three. The ED9 is a little different.
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"The society which scorns excellence in plumbing because plumbing is a humble activity, and tolerates shoddiness in philosophy because philosophy is an exalted activity, will have neither good plumbing nor good philosophy. Neither its pipes nor its theories will hold water." --John W. Gardner
"In times of change, learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists." --Eric Hoffer
"There are 4 things that can never be recovered in life; the stone after the throw, the word after it is said, the occasion after the event, and the time after it is gone." --Anonymous
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09-06-2008, 05:34 AM
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Headphoneus Supremus
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Join Date: Dec 2004
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Aw, there go all my hopes about there being good mids...oh well, back to stax.
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09-06-2008, 09:40 AM
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Great pics
The important bit to me is that it does not use the positioning and grill of the HFI780 which is the only S-Logic plus hp I have. I believe the Ed9s closest cousin will still be the HFI780.
Come on Jude - give us some thoughts on SQ compared to the others in the range.
Regards
Sceptre
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09-06-2008, 09:43 AM
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500+ Head-Fi'er
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Join Date: Jan 2006
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The PRO 900 also got reviewed in the german studio magazine "keys". However their headphone reviews are very very useless. Only notable mentions were "extremly voluminous bass" and "pleasent highs". Rest was repeating their marketing bla bla..
I really dont understand ultrasones obsession with extreme bass, I'll pass on this one.
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09-06-2008, 04:50 PM
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Headphoneus Supremus
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Join Date: Jun 2001
Location: Just NE of Baltimore, MD
Posts: 2,235
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Quote:
Originally Posted by bizkid
I really dont understand ultrasones obsession with extreme bass, I'll pass on this one.
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If you have not tried one recently, you will do yourself a disservice.
The bass on all my Ultrasone's are very well done, and not overwhelming in any way, providing an accurate presentation of whatever bass is on the recording, no :extra" bass like some seem to think.
Their overall SQ is very good, and natural sounding.
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An ex-pro rock guitarist, so I know what live music REALLY sounds like!
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09-06-2008, 06:39 PM
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500+ Head-Fi'er
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Join Date: Jan 2006
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Quote:
Originally Posted by silverrain
If you have not tried one recently, you will do yourself a disservice.
The bass on all my Ultrasone's are very well done, and not overwhelming in any way, providing an accurate presentation of whatever bass is on the recording, no :extra" bass like some seem to think.
Their overall SQ is very good, and natural sounding.
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I owned Pro 750 before all the Ultrasone hype went off, you can read my posts about it in the ultrasone thread. I also heard the ED9, HFI 780 and Pro2500. I'm not sure to which headphone you refer, but if your idea of accurate bass presentation is something like good speakers in a ****ty untreated room, yes that's the Ultrasone sound.
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Last edited by bizkid; 09-06-2008 at 06:44 PM.
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09-06-2008, 07:48 PM
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Headphoneus Supremus
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Join Date: Dec 2004
Posts: 4,632
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Quote:
Originally Posted by silverrain
If you have not tried one recently, you will do yourself a disservice.
The bass on all my Ultrasone's are very well done, and not overwhelming in any way, providing an accurate presentation of whatever bass is on the recording, no "extra" bass like some seem to think.
Their overall SQ is very good, and natural sounding.
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Ya I have no idea what the hell is going on with your ears there kid. Accept it - you like powerful bass...because bass on all the Ultrasones is absolutely accentuated (not necessarily a bad thing). The fact that you are an ex-pro rock guitarist says nothing really, because sound in live rock concerts is generally poorly balanced and excessively loud (before you pull that card).
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Last edited by MaloS; 09-06-2008 at 07:51 PM.
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