Speaker Unit Details
FOSTEX FE208NS
20cm Fullrange Unit¥40,700(tax included)/1pc
Aluminum Die-cast Frame
This speaker unit, the "FE208NS", is an 20cm Fullrange Unit Released in August 2020 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 94dB/W (1m), and a rated power handling of 40W,
To provide reference values for enclosure design, the Lowest Resonance Frequency (fs, f0) is 45Hz, and the Reproduction Frequency Response range is ensured from fs to 20k Hz. Designed as a component for back-loaded horn enclosures, an Mms (m0) of 14.07g, and a Vas of 54.57L. The manufacturer-recommended enclosure type is a Back-loaded Horn.
The frame is made of Aluminum Die-cast Frame, the required baffle hole diameter is Φ185mm, it requires 8 mounting holes, the total net weight is 4500g, the overall diameter of the unit is 230mm,
| Thiele&Small Parameters | Voice Coil Parameters | Mechanical Parameters |
|---|---|---|
fs (f0): 45 Hz Qms: 6.87 Qes: 0.22 Qts (Q0): 0.22 | Z: 8 ohm Re: 6.6 ohm Le: 0.19 mH VC Diameter: 35.5 mm | Mms (m0): 14.07 g Cms: 0.91 mm/N Diaphragm R (a): 81 mm Bl: 10.79 N/A |
| Enclosure Parameters | Other Parameters |
|---|---|
SPL: 94 dB/W (1m) Vas: 54.57 L Baffle Hole Diameter: Φ185 mm Frequency Response: fs to 20k Hz Recommended Enclosure: Back-loaded Horn | Nom.: 40 W Overall Diameter: 230 mm Net Weight: 4500 g Limited Edition: No |
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