Fostex Article no: FOT500AIII



Fostex T500AMKIII Super Tweeter - Limited Production

T500A MKIII has been reborn as a highest grade horn super tweeter, by adopting a newly developed ring-shaped pure magnesium diaphragm, precision cut solid brass horn and equalizer and a low distortion design Alnico internal magnetic circuit.

Adding the T500A MkIII extending the super-high frequency over 20kHz, your speaker system will improve the sound quality and play music with improved expressiveness from high to low frequency ranges.


●Ring-shaped pure magnesium diaphragm
The newly developed ring-shaped pure magnesium diaphragm has low squeal peculiar to metal, and realizes penetrating ultra-high frequency reproduction by adjusting the material thickness to optimize the surface treatment.
●Brass horn and equalizer with platinum coating
●Precision cut cylindrical shape solid brass horn and equalizer are fitted.
●Platinum coated surface offers a natural and high transparent sound.
●Alnico internal magnetic circuit
Installed 2 layers Alnico magnets obtain a strong magnetic flux density, and the copper plated poll piece reduces the current distortion realizing a high definition audio reproduction.
●Gold plated copper speaker terminals and copper silver alloy internal wiring
●Input terminals use gold plated copper. An extra-thick φ1.4mm copper silver alloy single wire is used for internal wiring to reduces sound deteriorations.
●Tungsten diaphragm ring Diaphragm ring to support the diaphragm is made of tungsten sheet that has high damping effect to reduce un-wanted vibrations and sound deteriorations.
●Tweeter base with walnut veneer finish

A tweeter base comes as a standard accessory, which firmly supports the heavy tweeter.

The base is finished in dark brown with beautiful and calm walnut veneer.

Limited Production

We offer T500A MkIII as a limited production model this time due to unstable supply of some parts.


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