Description
Fostex TH1100 RP
The Fostex TH1100 RP is a brilliant audiophile open-back headphone from high-end specialists Fostex, hand-made in Japan by craftspeople to exacting standards.
This product is the flagship of the RP headphone lineup, carefully assembled at a factory in Japan with the latest Fostex-developed premium grade RP planar magnetic driver built into a solid wood housing dyed with Aizome indigo from Tokushima, known as the representative indigo dyeing process in Japan. The one-of-a-kind texture of the traditional Aizome, which brings out the beauty of the individually different wood grain, and Fostex’s RP technology, a flat diaphragm that has been used for 50 years, play together in this headphone flagship.
*RP and RP technology are Fostex’s proprietary technologies that move the entire surface of the planar diaphragm in regular phase (Regular Phase).
RP planar technology
The RP technology planar diaphragm driver technology, developed in 1974 and continually refined ever since, has a newly developed planar diaphragm, much larger than the conventional RP driver used in T50RPmk3/mk4. In addition to increasing the number of magnets that sandwich the diaphragm, as well as a newly designed pattern and shape for the printed coil, the magnetic circuit components have been redesigned to optimise the magnetic flux distribution.
All of these work together to suppress unwanted resonance in the diaphragm. This simultaneously achieves high sensitivity, smooth frequency response, and excellent transient characteristics, enabling accurate and delicate reproduction from heavy bass to high frequencies, and the ability to express a clear sound image in space with a clear sense of localisation.
Maple wood housing
The solid hard maple wood housing, known as a material for guitars, is dyed with Awa Aizome from Tokushima, which has long been valued for its high-quality dyeing. The wood is carefully dyed one by one by skilled craftspeople, resulting in a deep indigo coluor that beautifully reveals the unique grain of the hard maple wood. Dyeing with Aizome, made exclusively from the indigo plant, allows the hard maple’s density and specific gravity to take advantage of its properties that do not add unnecessary colour to the sound, allowing the player to user a firm, deep bass range and clear, extended treble range.
Pure indigo
Genuine indigo, the dye used in Aizome, is a natural dye with a long history in Japan and was even used in ukiyoe prints of the Edo period. Among indigo dyes, Tokushima’s Awa Aizome has long been known throughout Japan as an indispensable dye for high-end dyed goods because of its rich and luxurious appearance. The TH1000RP and TH1100RP housings are dyed with Aizome made exclusively from natural tade indigo, which does not damage wood, and are repeatedly applied by hand and over a period of days, with a period to cure in between.
During this process, changes in temperature and humidity affect the drying of the dye, and the conditions under which the fine colour particles penetrate the wood structure vary depending on the grain of each housing. The result is a one-of-a-kind housing with a deep blue hue unique to indigo, while the smooth grain of the maple wood beautifully emerges, and the texture of each housing is completely different, even from left to right.
Newly shaped ear pads with new materials
The newly shaped ear pads, which are asymmetrical to optimise the wearing comfort, are made of low-resilience cushions and silk protein synthetic leather that is three times more durable than conventional ear pads, ensuring a comfortable fit even over long periods of listening.
Flexible fitting head pad and headband
The head pad and headband are made of natural sheepskin material, providing a supple and comfortable fit.
Includes high-purity OFC unbalanced cable
Includes 7N (99.999999%) grade high-purity OFC (Oxygen Free Copper) unbalanced cable, which eliminates impurities to the utmost limit to enhance transmission performance.
Specifications Fostex TH1100 RP
| Type | Open-back dynamic |
|---|---|
| Driver | RP planar magnetic |
| Impedance | 32 Ω |
| Sensitivity | 96 dB/mW (tentative) |
| Maximum input | 3,000 mW |
| Frequency Response | 10 to 40,000 Hz |
| Weight | Approx. 420 g (excluding cable) |
| Cable | 2m Y-type high-purity OFC wire (detachable connector terminal: 2-pin, rhodium-plated) |
| Detachable terminal | 2-pin (Rhodium-plated on gold-plated base) |
| Plug | Φ6.3 mm gold-plated stereo standard plug |
| Accessories | Leather-like pouch, safety precautions |
Attention
- After use, wipe sweat, sebum, hair styling products, foundation, etc. from the ear-pads and head-pads with a dry cloth.
- Ear pads are consumable items. They will deteriorate with daily use and long-term storage.
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