Speaker Unit Details
FOSTEX FE83En
8cm Full Range Unit¥5,170(tax included)/1pc
Steel frame
This speaker unit, the "FE83En", is an 8cm Full Range Unit Released in 2009 under the FOSTEX brand as a regular model, priced at ¥5,170(tax included)/1pc. Its main specifications include an Impedance of 8ohm, a Sound Pressure Level (sensitivity) of 88dB/W (1m), and a rated power handling of 5W, with a maximum power capacity of up to 7W.
To provide reference values for enclosure design, the Lowest Resonance Frequency (fs, f0) is 165Hz, and the Reproduction Frequency Response range is ensured from fs to 30k Hz. Designed as a component for back-loaded horn enclosures, an Mms (m0) of 1.53g, and a Vas of 0.7L. The manufacturer-recommended enclosure type is a Back-loaded Horn.
The frame is made of Steel frame, the required baffle hole diameter is Φ73mm, it requires 4 mounting holes, the magnet weight is 140g, the total net weight is 350g, the overall diameter of the unit is 83mm, and the depth is 40mm.
The FOSTEX FE-En series is a traditional full-range regular unit by FOSTEX. It delivers bright and clear sound with a wide lineup ranging from 8cm to 20cm. The ES cone, made from perennial plants related to banana trees, features fine, flexible fibers that are well-entwined, with a broad cross-sectional shape and high aspect ratio. This results in a diaphragm with minimal loss and significantly enhanced information density. Equipped with a powerful ferrite magnet circuit, it is a versatile full-range unit suitable for both bass reflex and back-loaded horn enclosures.
Thiele&Small Parameters | Voice Coil Parameters | Mechanical Parameters |
---|---|---|
fs (f0): 165 Hz Qms: 4.06 Qes: 1.057 Qts (Q0): 0.84 | Z: 8 ohm Re: 7.5 ohm Le: 0.0267 mH VC Diameter: 16 mm | Mms (m0): 1.53 g Cms: 0.622 mm/N Diaphragm R (a): 30 mm Bl: 3.35 Tesla/m |
Enclosure Parameters | Other Parameters |
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SPL: 88 dB/W (1m) Vas: 0.7 L Baffle Hole Diameter: Φ73 mm Depth: 40 mm Frequency Response: fs to 30k Hz Recommended Enclosure: Back-loaded Horn | Nom.: 5 W Mus.: 7 W Overall Diameter: 83 mm Magnet Weight: 140 g Net Weight: 350 g Limited Edition: No |