Speaker Unit Details
FOSTEX FE208EΣ
20cm Fullrange Unit¥40,700(tax included)/1pc
Aluminum Die-cast Frame
This speaker unit, the "FE208EΣ", is an 20cm Fullrange Unit under the FOSTEX brand as a regular model, priced at ¥40,700(tax included)/1pc. Its main specifications include an Impedance of 8ohm, a Sound Pressure Level (sensitivity) of 97dB/W (1m), and a rated power handling of 40W, with a maximum power capacity of up to 120W.
To provide reference values for enclosure design, the Lowest Resonance Frequency (fs, f0) is 42Hz, and the Reproduction Frequency Response range is ensured from fs to 14k Hz. Designed as a component for back-loaded horn enclosures, an Mms (m0) of 13.3g, and a Vas of 60.1L. The manufacturer-recommended enclosure type is a BH / FH.
The frame is made of Aluminum Die-cast Frame, the required baffle hole diameter is Φ185mm, it requires 8 mounting holes, the magnet weight is 1408.7g, the total net weight is 4800g, the overall diameter of the unit is 230mm, and the depth is 93.5mm.
| Thiele&Small Parameters | Voice Coil Parameters | Mechanical Parameters |
|---|---|---|
fs (f0): 42 Hz Qms: 6.191 Qes: 0.19 Qts (Q0): 0.18 | Z: 8 ohm Re: 6.4 ohm Le: 0.0517 mH VC Diameter: 35 mm | Mms (m0): 13.3 g Cms: 1.069 mm/N Diaphragm R (a): 80 mm Bl: 10.8 Tesla/m |
| Enclosure Parameters | Other Parameters |
|---|---|
SPL: 97 dB/W (1m) Vas: 60.1 L Baffle Hole Diameter: Φ185 mm Depth: 93.5 mm Frequency Response: fs to 14k Hz Recommended Enclosure: BH / FH | Nom.: 40 W Mus.: 120 W Overall Diameter: 230 mm Magnet Weight: 1408.7 g Net Weight: 4800 g Limited Edition: No |
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