Costing only 40% as much, it’s not surprising that the Pro 900 should suffer in direct comparison to the Edition 8. While the Pro 900 delivered a commendable level of detail, the Edition 8 is truly outstanding in that regard. The Edition 8 can also deliver lightning-fast transients that the Pro 900, and no other dynamic headphone in my experience, could quite match. Even though they’re both sealed designs, the Edition 8 lacks the midbass emphasis and slight boominess of the Pro 900.
These two models present different overall perspectives on the music. The Edition 8 has a very front-row sound, while the Pro 900 gave me the impression of sitting a few rows back. To put it in the context of speakers: The Pro 900 was like listening to a good pair of nearfield monitors, the Edition 8 like pulling the same monitors up right next to my ears. The Edition 8 makes me hear absolutely everything that’s on the recording, something that’s important for audio professionals but can be a bit much for the rest of us. While I appreciate this technical accomplishment of the Edition 8, I found the slightly more distant prospective of the Pro 900 generally more enjoyable.
For the past four or five years, my preferred headphones have been the Ultrasone Pro 2500, which has now been superseded in Ultrasone’s lineup by the Pro 2900 ($599). There were many similarities in the sounds of the Pro 900 and Pro 2500. They have similarly extended high frequencies, but the Pro 900’s high treble was a little sweeter and more refined than the Pro 2500’s. Since the driver used in the new Pro 2900 is the same as that used in the Pro 900, and has been improved since the Pro 2500, I would expect this difference not to hold in that comparison. The two designs’ midrange performances were also similarly smooth, but the Pro 2500’s frequency response is subjectively flatter than the Pro 900’s, remaining flat through the midbass and down to about 40Hz. The Pro 2500 doesn’t have quite the Pro 900’s level of articulation at the beginning of bass notes, but it also lacks the latter’s overhang. I’m not sure whether it’s the increased isolation of the Pro 900 or its S-Logic Plus technology that was responsible, but I heard a greater sense of space and more precise placements of instruments through it than I do with the Pro 2500. The two headphones conveyed equal levels of detail, but those details were more obvious through the Pro 900 because they didn’t have to compete with sounds from outside.
Although I don’t listen to them regularly, I’ve hung on to my Sennheiser HD 600 headphones ($519, but available for significantly less) because so many other reviewers refer to them and so many audiophiles are familiar with their sound. The HD 600, an open-back design, sounds significantly more open and airy than the Pro 900 -- but it’s important not to confuse airiness with detail. The Pro 900 was much better than the HD 600 at conveying the little extraneous sounds on recordings, as well as more musically relevant details, such as the precise attacks and decays of notes. The Pro 900 also had better high-frequency extension than the HD 600, which meant that it more accurately reproduced the upper harmonics of instruments -- but the HD 600 has a more even response through the midrange, which gives instruments and voices a little more of their fundamental tones. Choosing between them for bass performance will be a matter of taste -- neither is accurate. As stated above, the Pro 900 was heavy in the bass and midbass, but the HD 600 is light, beginning its rolloff at around 130Hz. The Pro 900 was much punchier, but the HD 600 never exhibits any bloat or overhang. With the HD 600, as with most headphones, all of the sound is confined within the head, which is what drives many people away from headphones altogether. Use of a good cross-feed circuit can somewhat alleviate this impression, but it won’t produce the type of soundstage you hear from Ultrasone headphones, or any other headphones with decentralized drivers.
ต้นทุนเพียง 40% มากที่สุด มันไม่ได้น่าแปลกใจว่า Pro 900 ควรต้องทนทุกข์ทรมานในการเปรียบเทียบโดยตรงถึง 8 รุ่น ในขณะที่ Pro 900 ส่งรายละเอียดของระดับ commendable, 8 รุ่นเป็นโดดเด่นอย่างแท้จริงในนั้นสัมมาคารวะ รุ่น 8 ยังสามารถจัดส่งอินพุตวงจรอย่างรวดเร็วฟ้าผ่าที่ Pro 900 และไม่อื่น ๆ แบบไดนามิกสำหรับหูฟังในประสบการณ์ของฉัน สามารถค่อนข้างตรง แม้ว่าพวกเขากำลังออกแบบทั้งปิดผนึก 8 รุ่นขาดการเน้น midbass และ boominess เล็กน้อยของ Pro 900 รุ่นสองเหล่านี้นำเสนอมุมมองโดยรวมในเพลง 8 รุ่นมีเสียงแถวหน้ามาก ขณะที่ Pro 900 ให้ผมประทับใจของนหลังกี่แถว ใส่ไว้ในบริบทของลำโพง: 900 Pro ถูกเช่นฟังดีคู่ nearfield จอ 8 ฉบับเช่นการดึงจอภาพเดียวกันค่าอยู่หูของฉัน 8 รุ่นทำให้ผมได้ยินจริง ๆ ทุกอย่างที่อยู่ในการบันทึก สิ่งที่สำคัญสำหรับผู้เชี่ยวชาญด้านเสียง แต่มีเล็กน้อยมากสำหรับส่วนเหลือของเรา ในขณะที่ฉันชื่นชมความสำเร็จนี้เทคนิค 8 รุ่น พบไกลเล็กน้อยของ 900 Pro ทั่วไปแก่ผู้สนใจ For the past four or five years, my preferred headphones have been the Ultrasone Pro 2500, which has now been superseded in Ultrasone’s lineup by the Pro 2900 ($599). There were many similarities in the sounds of the Pro 900 and Pro 2500. They have similarly extended high frequencies, but the Pro 900’s high treble was a little sweeter and more refined than the Pro 2500’s. Since the driver used in the new Pro 2900 is the same as that used in the Pro 900, and has been improved since the Pro 2500, I would expect this difference not to hold in that comparison. The two designs’ midrange performances were also similarly smooth, but the Pro 2500’s frequency response is subjectively flatter than the Pro 900’s, remaining flat through the midbass and down to about 40Hz. The Pro 2500 doesn’t have quite the Pro 900’s level of articulation at the beginning of bass notes, but it also lacks the latter’s overhang. I’m not sure whether it’s the increased isolation of the Pro 900 or its S-Logic Plus technology that was responsible, but I heard a greater sense of space and more precise placements of instruments through it than I do with the Pro 2500. The two headphones conveyed equal levels of detail, but those details were more obvious through the Pro 900 because they didn’t have to compete with sounds from outside. Although I don’t listen to them regularly, I’ve hung on to my Sennheiser HD 600 headphones ($519, but available for significantly less) because so many other reviewers refer to them and so many audiophiles are familiar with their sound. The HD 600, an open-back design, sounds significantly more open and airy than the Pro 900 -- but it’s important not to confuse airiness with detail. The Pro 900 was much better than the HD 600 at conveying the little extraneous sounds on recordings, as well as more musically relevant details, such as the precise attacks and decays of notes. The Pro 900 also had better high-frequency extension than the HD 600, which meant that it more accurately reproduced the upper harmonics of instruments -- but the HD 600 has a more even response through the midrange, which gives instruments and voices a little more of their fundamental tones. Choosing between them for bass performance will be a matter of taste -- neither is accurate. As stated above, the Pro 900 was heavy in the bass and midbass, but the HD 600 is light, beginning its rolloff at around 130Hz. The Pro 900 was much punchier, but the HD 600 never exhibits any bloat or overhang. With the HD 600, as with most headphones, all of the sound is confined within the head, which is what drives many people away from headphones altogether. Use of a good cross-feed circuit can somewhat alleviate this impression, but it won’t produce the type of soundstage you hear from Ultrasone headphones, or any other headphones with decentralized drivers.
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