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Fostex TH900 Impressions & Discussion Thread

Discussion in 'High-end Audio Forum' started by muppetface, Feb 13, 2012.
  1. kuutan
    Sounds like you haven't tried the $300 to $500 USB cables yet! :wink:
    Yevgen Chupak likes this.
  2. jmills8
    Once experienced now Im sure of ny favorite cables. Once one goes from enjoying music from a portable cassette player onto making music gear a hobby its all a curse.
  3. jmills8
    Once a thread starts with cables this or that the mods will step in and stop this chit chat.
  4. up late
    the cable debates continue to rage in the forums but questions regarding how the th900 mk2 differs from the th900 mk1 have been asked and answered numerous times in this thread already, and it really should not be a matter for further debate. as stated repeatedly now, they are identical save for the mk2 having detachable cables. that is the only difference between the two iterations. anyone who says otherwise is mistaken. with regard to the th900 mk2 sapphire blue edition, the marketing blurbs for it that i've seen vary slightly. here are two examples: from minidisc - "has been specially-tuned with a limited-edition exclusive Fostex-approved tuning for an enhanced listening experience", and from moon audio - "The Sapphire Blue edition has different voicing than the original, Fostex has revoiced the driver slightly with a bit more dampening treatment." so apart from a tuning tweak and change of colour, the th900 mk2 sapphire blue edition is ostensibly the same headphone as the th900 mk2, which is also the same as the mk1 (with fixed cable). the technical specifications provided for all three models are identical, as are the drivers. i note that moon audio's description of the sapphire blue's performance (posted a couple of pages back) is an opinion and should not be regarded as definitive.
    Last edited: Mar 14, 2019
    Harry Manback and Yevgen Chupak like this.
  5. Bern2
    I noticed that Sonarworks has added the following to their profiles....TH900 mk2 and TH900 mk2 Sapphire Blue. Would like to hear impressions from anyone who has tried it.

  6. cathee
    Have you found a particular type of cables that work well? I've found that I like AgCu over straight copper ones.
  7. jmills8
    Coppoer, or copper/silver
  8. Litlgi74
    Has anyone tried replacing the headband of the TH900s? I really would like a more secure fit...

    Wondering if something like that of MrSpeakers Ether C Flow might work?

  9. jmills8
  10. BenF
    I've tried many different pads, including multiple Dekoni ones, and Dekoni TH900 Sheepskin were the best ones, with Fostex TH610 pads in second place.
    Both of them helped recover mids without hurting clarity. Bass quantity is reduced, quality is improved.
    Neither of them improved isolation.
    arielext likes this.
  11. CongoFather
    I have 7N OCC Balanced copper cable terminated with sennheiser hd600 series plugs. I ordered Furutech FT-2PS-F connector which is said to be specially tuned for Fostex with a better fit.
    I am thinking of upgrading the pure copper cable with silver plated copper for wider soundstage with better seperation. But I am concerned about controlling the highs when upgrading from from balanced pure copper cable to balanced silver plated copper cable. Do you have recommendations especially for silver plated copper balanced cables that improves the SQ of TH900?

    I have been also using Earsonics S-EM9 with a high-quality gold plated silver cable. It improved the bass resolution(I was not expecting to see that before buying it; which is over my expectations ) as well as the resolution of the highs and mids without making it bright. The soundstage also became wider with more depth with the cable. Has anyone tried gold plated silver with TH900?
  12. Litlgi74
    Of all people, I would have expected @jmills8 to have tried some sort of headband swap!
    jmills8 likes this.
  13. jmills8
    Ha, I havnt had that issue
  14. montanari
    by the way
    the sonarworks plugin for headphone that with a lot of headphones measured, has the same frequency response for th900 mk2 and th900 sapphire blue, with the same correction and target curve..
    Bern2 likes this.
  15. Bern2
    Do you use Sonarworks with your 900's? Would love to hear your thoughts if you do.

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