07-22-2008, 02:56 AM
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Join Date: Feb 2008
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PRO 750 & PRO 2500
Quote:
Originally Posted by stvn758
Are the Proline 2500's open back versions of the Proline 750's, they seem to have the same specs and price.
Thanks.
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Yes, they are the same headphone, except that the 2500 is an open-back and the 750 is closed.
Hope this helped. 
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07-22-2008, 03:03 AM
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Headphoneus Supremus
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Quote:
Originally Posted by ultrapaul
Yes, they are the same headphone, except that the 2500 is an open-back and the 750 is closed.
Hope this helped. |
but surely it is not as simple as opening or closing the holes . . . . I imagine there must be some 'adjustments' to compensate for the change from open to closed, no?
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07-22-2008, 10:30 AM
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Headphoneus Supremus
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In addition to NiceCans' question, I'd like to ask.. Are they suppose to sound the same?
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Quote:
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Originally Posted by Mazz
As the oldies say "Youth is wasted on the young", but the complementary observation is "Savings are wasted on the old"
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07-22-2008, 10:52 AM
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100+ Head-Fi'er
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Quote:
Originally Posted by ultrapaul
Yes, they are the same headphone, except that the 2500 is an open-back and the 750 is closed.
Hope this helped. |
Thanks, it can get confusing.
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07-22-2008, 04:25 PM
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Join Date: Feb 2008
Location: Southern California
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Quote:
Originally Posted by ZephyrSapphire
In addition to NiceCans' question, I'd like to ask.. Are they suppose to sound the same?
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Again, as I stated in a another thread, it all comes down to your own ears, and thier condition. But, most of us have already damaged our hearing when we were (are?) younger. So............
The PRO 2500 is designed to have a more spatial sound, while providing the exact same "flatness" as the PRO 750.
Did that help?
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07-22-2008, 04:27 PM
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Join Date: Feb 2008
Location: Southern California
Posts: 110
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Quote:
Originally Posted by NiceCans
but surely it is not as simple as opening or closing the holes . . . . I imagine there must be some 'adjustments' to compensate for the change from open to closed, no?
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Nope. Same on the inside, different on the outside. 
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07-22-2008, 04:31 PM
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Banned
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07-22-2008, 04:33 PM
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Headphoneus Supremus
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Quote:
Originally Posted by ultrapaul
Again, as I stated in a another thread, it all comes down to your own ears, and thier condition. But, most of us have already damaged our hearing when we were (are?) younger. So............
The PRO 2500 is designed to have a more spatial sound, while providing the exact same "flatness" as the PRO 750.
Did that help?
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Yep, thanks for the info.
__________________
Badly designed circuitry to get a "signature" sound should be banned for possible safety issues as well as possible malfunction issues.
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Quote:
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Originally Posted by Mazz
As the oldies say "Youth is wasted on the young", but the complementary observation is "Savings are wasted on the old"
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07-22-2008, 06:36 PM
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100+ Head-Fi'er
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Join Date: Jul 2008
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So they are neither open nor closed.
I just ordered a pair anyhow, obviously I hope they sound great but my main desire is to have a pair of cans I can lounge around in, every other pair I have had, Senn 600's, AKG 601's and now Grado 80's has fallen to bits cable wise - sound in one ear goes and it's onto a new brand.
These look sturdy and have just the one sided cable - I have high hopes. 
If anyone has any insight into what causes this, does the copper cable inside literally snap, is the connection at the end of it pulled loose by an unfortunate snag?
Could of bought another pair of Senns the number of cables I had to replace. 
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07-24-2008, 04:05 PM
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Moderator:
Headphoneus Supremus:
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Quote:
Originally Posted by stvn758
So they are neither open nor closed.
I just ordered a pair anyhow, obviously I hope they sound great but my main desire is to have a pair of cans I can lounge around in, every other pair I have had, Senn 600's, AKG 601's and now Grado 80's has fallen to bits cable wise - sound in one ear goes and it's onto a new brand.
These look sturdy and have just the one sided cable - I have high hopes.
If anyone has any insight into what causes this, does the copper cable inside literally snap, is the connection at the end of it pulled loose by an unfortunate snag?
Could of bought another pair of Senns the number of cables I had to replace. |
It sounds like you're really hard on your stuff. I've been an avid headphone user (professionally, and personally) for over 40 years and have NEVER had a headphone cable go bad in any of the dozens and dozens and dozens of headphones I've owned. How do you manage to break them?
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"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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07-24-2008, 04:25 PM
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You're very lucky.. or I'm unlucky. 
I always thought it might be getting the cable snagged - usually on my own body, lazing around it bed in them.
One quick turn and off they get yanked.
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07-24-2008, 04:38 PM
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Moderator:
Headphoneus Supremus:
Insulting his K-1000's would
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Quote:
Originally Posted by stvn758
You're very lucky.. or I'm unlucky.
I always thought it might be getting the cable snagged - usually on my own body, lazing around it bed in them.
One quick turn and off they get yanked. |
Perhaps it's a little of both. Perhaps you're a little careless with your cans and I'm a little too careful?
__________________
"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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08-07-2008, 04:26 PM
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Moderator:
Headphoneus Supremus:
Insulting his K-1000's would
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BTW, respectfully, the answer to the question about the differences between the 2500 and the 750 discussed in this thread has not quite been complete thus far.
IME, additional differences between the two besides the opening in the back of the 2500 is that the ear pads also differ between the 750 and the 2500. The pads on the 2500s have ventilation holes in the plastic underneath the velour, whereas the 750 pads are "solid," providing a more complete seal to the wearer's ear. This is necessary to compensate for the open baffle of the 2500. If you were to use the 750 pad on the 2500, the bass would be way overblown, likewise, using the 2500 pad on the 750 would result in very thin, anemic sound.
Hope this helps clarify some things.
__________________
"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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09-20-2008, 06:48 AM
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Quote:
Originally Posted by nick20
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from that review site.. it says they have problems driving by an iPod?! humm i dont know if driving an iPod relates to impedance? coz i just tried an 2200ohm haha Logitech Premium Headset and it works well. at about 7/10 volume... so will the ProLine 750 able to be driving by my iPod Classic.
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09-20-2008, 02:49 PM
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Headphoneus Supremus
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Quote:
Originally Posted by member1982
from that review site.. it says they have problems driving by an iPod?! humm i dont know if driving an iPod relates to impedance? coz i just tried an 2200ohm haha Logitech Premium Headset and it works well. at about 7/10 volume... so will the ProLine 750 able to be driving by my iPod Classic.
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"Well" is a relative term. If you listen at very low volumes and your music preference is not classical/jazz (very large dynamic range) you will do ok. Otherwise get a dedicated headphone amp.
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