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Dome Tweeter

FT36TD

Dome tweeter
FT36TD

FT36TD

FT36TD

FT36TD

Introducing the "FT36TD" tweeter, featuring a titanium diaphragm with a ridge-dome design that faithfully reproduces the essence of music.

This tweeter unit features a titanium diaphragm molded into a ridge-dome shape, developed using Fostex’s renowned speaker technology. It delivers high-fidelity reproduction with clear, detailed high frequencies that convey a wealth of information, creating a vivid, lifelike soundstage right before your ears.

Features

・Newly developed 1-inch ridge-dome titanium diaphragm
This newly developed 1-inch dome diaphragm, formed from titanium into a ridge-dome shape,
combined with an optimally designed diffuser, delivers clear, high-resolution
high-frequency reproduction.

Ridge Dome Titanium Diaphragm

・The Ridge Dome design disperses resonance by varying the distance from the voice coil to the dome’s apex. This disperses the natural resonance that causes coloration while delivering the fast response characteristic of metal diaphragms.
・The titanium diaphragm and voice coil bobbin are bonded using two types of adhesives with different properties, ensuring that the voice coil’s movement is accurately transmitted to the diaphragm. The voice coil winding employs a short-type design that remains within the magnetic field of the magnetic circuit, resulting in improved power handling and high-precision high-frequency reproduction with low distortion and excellent tracking performance.
・The voice coil uses a silver-plated silver-copper alloy tinsel wire that combines high sound quality with high durability. To adjust the acoustic balance, a polyester non-woven fabric with excellent acoustic properties is applied to the top of the magnetic circuit’s pole within the dome’s inner cavity.

Specifications

Main Specifications

Impedance

8 ohms

Frequency response

1 kHz to 50 kHz (-10 dB)(tentative)

Sound pressure level

88.5 dB/W (at 1 m)

Rated input

15 W (nom.)

Recommended crossover frequency

2 kHz or higher

Magnet mass

220 g

Mass

670 g

Accessories

4 wood screws, 4 washers, 1 gasket, 1 quick start guide, Safety precautions

Frequency Response Chart (tentative)

Dimensional Drawing

Examples