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Ken Hurst
3,215 followers -
Christian, Husband, Father, Musician, Teacher, Photographer of nature, wildlife, landscapes, cityscapes, travel, sailing, stock photos, and everything else I enjoy.
Christian, Husband, Father, Musician, Teacher, Photographer of nature, wildlife, landscapes, cityscapes, travel, sailing, stock photos, and everything else I enjoy.

3,215 followers
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Ken Hurst commented on a post on Blogger.
I have recently purchased the Sennheiser HD 598 SE (Black) headphones and although I'm a longtime fan of Sennheiser headphones (I had a set of HD400 headphones from the 70s and I have recently bought a vintage pair of HD420 from Ebay) I am not really that impressed with them. The biggest concern I have is that I hear a substantial amount of intermodulation distortion typically whenever there is high level low bass content and mid to upper midrange together. In particular a recording which is very revealing of this issue is the Telarc CD-80051 Saint Saens Symphony No. 3 (Organ Symphony) with the Philadelphia Orchestra/Ormandy/Murray, organ. As I understand it in this particular recording the organ used was capable of a 16hz low C. At the end when the organ reaches the pedal C (as well as a few other times in the last sections of the symphony) there are also low bass drum hits along with brass. On the Sennheiser HD598 headphones I hear a distortion of those higher frequencies. I've also noticed the same effect but to a lesser degree on other material with high level low bass content. It's possible that I just listen to music too loudly! I did see an article that theorized that the improvement in the sound of headphones after a break in period was due to less intermodulation distortion as the headphones were played for awhile. I would be very curious as to your personal experience especially if you happen to own that particular recording I mentioned.

I've done a bit of clinical testing using this website: http://www.audiocheck.net/audiofrequencysignalgenerator_dual.php and combining a 32.7 hz frequency along with a lower mid range frequency (~350hz up to 1000z) as well as higher mid range frequencies (7000hz). I would guess that at higher levels almost all headphones would exhibit some warbling of upper frequencies from being modulated by a 32hz tone but in comparison to other less expensive headphones that I have the HD598 had as much or more distortion. Even the vintage HD420 headphones I have seem to have less distortion from the high level low bass content although that may be because they roll off bass at a higher frequency and at a greater slope.

I plan to continue to try a break in process for awhile longer and see if the distortion issue improves but I may end up sending these back to Amazon while I can.

All The Best!
Ken

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And for now the last Facebook post copied over to my new blog about audio, music, CDs, etc.

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Posts to new audio/sound/music blog being funneled over from Facebook.

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New blog about music, audio equipment, orchestral music, "classical" music, etc. - my opinions and experiences.

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Texas Bluebonnets Photo | Could Go Viral!
Could go viral on Facebook! My photo of bluebonnets on Mach Road in Ennis, Texas from 2012 when there was an unusual season of growth of bluebonnets was previously posted on a website without my approval but it had received over 68000 "likes", 11000 comment...

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I'm trying something a bit different for my demo reel, an idea I borrowed (er, read: stole) from Simon Cade. If you don't like the pictures at least you can enjoy a wonderful performance of the 1st movement of Winter from the Four Seasons by Vivaldi as performed by the USAF String Ensemble! Hope you enjoy!

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