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• Specially intended acoustic silk assures precision damping over the complete frequency range and helps to decrease THD to an unbelievable 0.05%
• Improved frequency answer is ten 39,500 Hz 10 dB
• Hand selected paired driver elements
• High power neodymium magnets deliver maximum efficiency
• Lightweight aluminum voice coils for fast temporary response

Hands On Review The Sennheiser HD 650 open air dynamic headset is a music lover’s dream: easy to wear and downright intoxicating to listen to. Sennheiser is, hands down, the number one name in high quality headphones, and for good reason. From the issue of its legendary HD 580 headset in mid ’90s, the German company cornered the market on final over ear sound coupled with final comfort, an unbeatable mix. With no have to reinvent the wheel year in and year out, 2004′s titanium/silver colored HD 650 is only the 3rd top of the line incarnation since the HD 580, following the classy HD 600 and not counting Sennheiser’s made to order $15,000 Orpheus electrostatic headphone. Is each issue better than the last? Fundamentally, yes, though they’re also simply “different.” Taking as a starting point that each is really excellent, the 580 may be said to concentrate on glorious midrange, the 600 makes a point of delivering expanded, very airy high frequencies, and the 650, fittingly enough, tackles the most hard area of sound for small drivers to handle: deep bass. The 650 offers appreciable bass well below 40 Hz, the region accountable for the deepest frequencies generated by kick drums, timpani, double bass, electric bass guitar, and all manner of electronic sounds. More, the 650 reproduces its low frequencies with only minimal stress in the upper bass region, between the regions we usually call “bass” and “midrange”, in which unwarranted stress can destroy clearness both above and below. If you listen usually to classical, jazz, and acoustic music, you’ll most likely embrace the headphone’s low end authority without reservation. If you listen to modern pop/rock and electronica, however genres subject to a just total of equalization and bass boosting over the course of recording, mixing, and mastering then you may find yourself facing, at times, a bit too much bass. Of course, most rock demands excellent bass answer, and the HD 650 delivers. It just isn’t forgiving of a musical production’s gross errors of judgment, which could makes it a great asset for sound engineers. The 650′s driver material is a specially manufactured “acoustic silk” that minimizes harmonic and intermodulation distortion while maintaining a natural timbre. These drivers start and stop on a dime, making sure dynamic temporary “snap” while minimizing subtle, unwanted resonances that a given sound can induce. Its broad frequency answer is rated at 16 to 30,000 Hz, 4 dB that is: the point at which the frequency extremes are reproduced three dB quieter than the frequencies in between, and ten to 39,500 Hz, 10 dB. This makes the headset a smart way to completely appreciating high resolution audio formats like SACD, DVD Audio, and LP records. Relatively lower res compact discs also sound fabulous. For best results, listen through a high quality headset amplifier, like a dedicated headset amp or the headset jack in a high quality preamplifier, integrated amplifier, or surround receiver. The 650 performs remarkably well with movable audio devices your iPod will probably never sounded better, but think about that a you’ll have to crank the volume sucking battery power, b the 650 will most likely make you uncomfortably aware of how surprisingly far MP3s are from CD quality, particularly below 160 kbps, and c the open air nature of the drivers means they block no outside sound whatsoever and broadcast their high frequencies to anybody inside earshot. The headphone’s removable, Kevlar reinforced OFC copper cable is over nine feet long. While unquestionably lasting and free from motion sound over most of its length that is, noises audible in the ear cups when the cable is moved or touched we noticed that the top foot or so where it meets the earcups is far more vulnerable to motion sound than, any part of the cord for the HD 600. It’s not an issue when one is either motionless or rocking out. A nice touch for nighttime use and for blind listeners is a trio of small bumps above the left earcup to help in orienting the headset. Other features are hand selected, paired transducers with tight +/1 dB tolerances, computer optimized and greatly economical Neodymium ferrous magnet systems, very lightweight aluminum voice coils, and a gold plated .25 inch jack plug with a separate adapter lead for connecting to minijack .125 inch plugs. As to comfort, the 650′s elliptical ear cups use thick felt pads which circle the ears totally. It’s perfect for expanded listening, putting no pressure on the ears themselves and fitting snugly across the head. The 650 is the tightest of the three models, an asset for those who want to listen while upright and moving about. Michael Mikesell Pros:
Great sound in general Uncommonly comfy fit Deep bass answer expanded in general frequency answer Dynamic performance very low distortion Long headset cord Mercilessly revealing of a recording’s lacking Cons:
Top one foot of cord is vulnerable to motion sound Mercilessly revealing of a recording’s lacking You may hate your speakers after hearing this headset What’s in the Box
Headset, a removable headset cable, a .125 inch minijack adapter, a hard shell storage box silver with embossed blue lettering, a user’s manual, and warranty info.

Sennheiser HD650 Stereo headset is the child of the greatly highly praised HD600 that has been hailed as the Product of the Year in 1998. Many improvements have been added to accommodate new digital recordings as well as MP3 tracks. Superbly balanced, with rock hard bass, excellent mid range answer and in depth still natural upper frequency answer, the new HD650 is poised to swiftly become the “connoisseur’s choice.” super soft velour ear cushions Improved signal cable terminates in 1/4 phono plug User replaceable parts and a 2 year warranty

This entry was posted on Friday, August 8th, 2008 at 8:41 am and is filed under AUDIO Accessories. You can subscribe via RSS 2.0 feed to this post's comments. Responses are currently closed, but you can trackback from your own site.