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Fostex TH900 Flagship Dynamic Headphones



Moon Audio

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The Fostex TH-900 was the first high-end headphone from Fostex and it remains the best in our opinion. It's truly a favorite around here and a Best Seller every month at Moon Audio.

They feature a newly designed driver unit with a 1.5 tesla magnetic circuit and bio-dynamic 50mm diaphragm, traditional Japanese lacquered "Urushi" finished craftsmanship housing and a selected 7N OFC cable come standard.

hi-fi+ Review of the Fostex TH900 By: Alan Sircom 


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It is a very linear headphone from the top to the bottom of the frequency spectrum. It does not have recessed midrange or an overpowering bottom end. It is a true reference headphone and a perfect fit for mastering engineers that need a true representation of the music. It is not overly analytical but truly transparent.

For this reason, Drew recommends the Silver Dragon V3 headphone cable as the perfect signature match to take the TH-900 to another level of resolution. It provides just the right snap to the bottom end to control and speed up the bass signature for a perfectly accurate, bottom end. It also adds more depth to the presentation, another layer of clarity, plus, more air to the vocalist's breath and picking of the stringed instrument(s).

The Fostex TH-900 and the Silver Dragon V3 are such a wonderful combination with such synergy and they truly take music appreciation and headphone enjoyment to another level of "ear opening experience", Drew Baird, P.E., President/CEO of Moon Audio.  We think you'll agree....

Unique designed Neodymium magnetic circuit adopting the magnetic repulsion system with the 1.5 tesla (15,000 gauss) magnetic flux density to achieve wider dynamic range

Foster / Fostex's unique "Biodyna" diaphragm* for fine and high resolu-tion sound reproduction

The housings are made of Japanese Cherry Birch (Betula Grossa), the Japanese specialty with rigid and dense texture for maximum acoustic performance

The housings are finished by the traditional "Urushi" lacquer (a.k.a. Japan) by a 100 years old artisan group.

The finish used for the TH-900 is called "Bordeaux" and is simply stunning

Platinum foiled "Fostex" logo on the housings

The ear pads are made of protein leather made from eggshell membrane for maximum confort

The cord is made of 7N grade (99.99999%) OFC (Oxygen Free Copper) and duralumin plug case for higher durability

Comes with an elegant headphone stand in the package


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Additional Info

  • Unique Neodymium magnetic circuitry for wider dynamic range.
  • Fostex "Biodyna" diaphragm for fine and high resolution sound reproduction
  • Japanese Cherry Birch (Betula Grossa) housings with traditional "Urushi" lacquer
  • 7N grade (99.99999%) OFC (Oxygen Free Copper) cords
  • 1 year warranty

Drew's Recommendations

Drew Recommends the Silver Dragon V3 Headphone Cable as the best upgrade for the Fostex TH900 Flagship Dynamic headphone.

For best sound quality, Drew also recommends:

April Music Eximus DP1 DAC Amplifier 

B.M.C. PureDAC

Bryston BHA-1 Headphone Amplifier


Type:    Dynamic
Driver:    50mm dia Nd magnet
Impedance:    25 ohm
Sensitivity:    100dB / mW
Maximum Input:    1,800 mW
Reproduction Frequency:    5 – 45k Hz
Weight:    400g (excluding the cord)
Cord:    3m Y type 7N-OFC
Plug:    6.3mm dia gold coating stereo phone plug
Accessory:    Headphone stand


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