Fostex TH900

Manwal tal-Istruzzjonijiet tal-Headphones Stereo Premium Fostex TH900

Mudell: TH900

1. Introduzzjoni

The Fostex TH900 Premium Stereo Headphones are designed for high-fidelity audio reproduction. They feature a newly developed driver unit with a powerful 1.5 Tesla (15,000 gauss) magnetic circuit and a bio-dynamic 2-inch diaphragm. The headphone housings are crafted from Japanese Cherry Birch and finished with a traditional Japanese Urushi lacquer, providing both aesthetic appeal and acoustic benefits. The fixed audio cable is made from 7N grade Oxygen-Free Copper (OFC) and terminates in a gold-coated 1/4-inch stereo plug.

Il-karatteristiċi ewlenin jinkludu:

  • Neodymium magnetic circuit with 15,000 gauss magnetic flux density for wide dynamic range.
  • Soft, comfortable ear pads for extended listening sessions.
  • Housings made from Japanese Cherry Birch, finished with Urushi lacquer.
  • 25-ohm impedance for compatibility with various audio equipment.
  • 50.8mm (2-inch) dynamic drivers.
Fostex TH900 Premium Stereo Headphones, front view

Figure 1: Fostex TH900 Premium Stereo Headphones. This image displays the full headphones with their distinctive red Urushi lacquer earcups and black headband.

2. Kontenut tal-Pakkett

Jekk jogħġbok ivverifika li l-oġġetti kollha huma preżenti fil-pakkett:

  • Fostex TH900 Premium Stereo Headphones
  • Headphone Stand (Model: ST300)
  • Fixed Audio Cable (7N grade OFC, with gold-coated 1/4-inch stereo plug)

3. Setup

  1. Spakkjar: Carefully remove the headphones and the headphone stand from their packaging.
  2. Headphone Stand Assembly (if required): If the ST300 stand requires assembly, follow the instructions provided with the stand. Place the assembled stand on a stable, flat surface.
  3. Konnessjoni ma' Sors Awdjo:

    The TH900 headphones feature a fixed audio cable with a gold-coated 1/4-inch (6.35mm) stereo plug. Connect this plug directly into the corresponding 1/4-inch headphone output jack on your audio amplifier, receiver, or other audio device. Ensure the connection is secure.

    Close-up of Fostex TH900 earcup and 1/4-inch audio jack

    Figure 2: Detail of the Fostex TH900 earcup and the 1/4-inch audio plug. This image highlights the connection point and the quality of the cable and plug.

    If your audio source only has a 3.5mm (1/8-inch) headphone jack, you will need a high-quality 1/4-inch to 3.5mm adapter (not included). Connect the 1/4-inch plug of the headphones to the adapter, then connect the adapter to your audio source.

  4. Liebes il-headphones:

    Adjust the headband so that the earcups comfortably cover your ears. The soft ear pads are designed for extended listening comfort. Ensure a proper seal around your ears for optimal sound quality and bass response.

4. Istruzzjonijiet Operattivi

  1. Kontroll tal-Volum: Adjust the volume using the controls on your connected audio source. Start with a low volume and gradually increase it to a comfortable listening level. Avoid excessively high volumes to prevent hearing damage.
  2. Ambjent tas-Smigħ: While the TH900 offers some passive noise isolation, it is not designed for active noise cancellation. For the best listening experience, use the headphones in a quiet environment.
  3. Perjodu ta' Break-in: Like many high-fidelity audio components, the TH900 headphones may benefit from a "break-in" period. Initial sound characteristics may evolve slightly after several hours of use.

5. Manutenzjoni

  • Cleaning Earcups and Headband: Gently wipe the ear pads and headband with a soft, dry, lint-free cloth. For stubborn marks, a slightly damp cloth with mild soap can be used, but ensure no moisture enters the driver units. Allow to air dry completely before use.
  • Cleaning Lacquer Housings: The Urushi lacquer finish is delicate. Clean the earcups with a very soft, dry cloth. Avoid abrasive materials or harsh chemicals, which can damage the finish.
  • Kura tal-Cable: Avoid sharply bending or twisting the audio cable. Do not pull on the cable to disconnect the plug; always grasp the plug itself.
  • Ħażna: When not in use, store the headphones on the provided ST300 headphone stand to maintain their shape and protect them from dust and damage. Keep them in a cool, dry place away from direct sunlight and extreme temperatures.

6 Issolvi l-problemi

ProblemaKawża PossibbliSoluzzjoni
L-ebda ħoss mill-headphones.
  • Il-kejbil tal-awdjo mhux imqabbad għalkollox.
  • Il-volum tas-sors awdjo huwa baxx wisq jew immut.
  • Sors awdjo mhux korrett magħżul.
  • Audio source device is off.
  • Ensure the 1/4-inch plug is securely inserted into the audio source's headphone jack.
  • Increase the volume on your audio source.
  • Iċċekkja li l-output awdjo korrett huwa magħżul fuq l-apparat tiegħek.
  • Turn on the audio source device.
Kwalità tal-ħoss distorta jew fqira.
  • Konnessjoni tal-kejbil maħlula.
  • Audio source output level too high (clipping).
  • Damaged audio cable or headphones.
  • Improper fit on ears.
  • Iċċekkja l-konnessjonijiet kollha tal-kejbil.
  • Naqqas il-volum fuq is-sors tal-awdjo tiegħek.
  • Inspect the cable and headphones for visible damage. If damaged, contact Fostex support.
  • Adjust the headband and earcups for a snug, comfortable fit.
Il-headphones mhumiex skomdi.
  • Aġġustament mhux xieraq tal-faxxa tar-ras.
  • Ear pads not positioned correctly.
  • Adjust the headband sliders to find a comfortable fit for your head size.
  • Ensure the ear pads fully encompass your ears without excessive pressure.

7. Speċifikazzjonijiet

KaratteristikaDettall
Isem tal-MudellTH900 (AMS-TH-900)
BrandFostex
TipPremium Stereo Headphones, Over-Ear, Closed-back Dynamic
Unità tas-sewwieq50.8 mm (2-inch) Dynamic Driver with 1.5 Tesla Neodymium Magnetic Circuit
Impedenza25 Ohm
Medda ta' Frekwenzi20 Hz - 20,000 Hz
KonnettivitàBil-fili
Headphones Jack1/4-inch (6.35mm) Stereo Plug (gold-coated)
KejbilFixed, 7N grade Oxygen-Free Copper (OFC)
Materjal tad-DjarJapanese Cherry Birch with Urushi Lacquer Finish
KulurAħmar
Piż tal-oġġett13.9 uqija (madwar 394 gramma)
Dimensjonijiet tal-Prodott13.2 x 15.9 x 6.5 inches (L x W x H, approximate)

8. Garanzija u Appoġġ

Specific warranty details are not provided within this instruction manual. For information regarding warranty coverage, technical support, or service, please refer to the warranty card included with your purchase or visit the official Fostex website. You may also contact Fostex customer service directly for assistance.

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