Speaker Unit Details
FOSTEX FE204
20cm Full-range Unit¥6,600(tax included)/1pc
Steel Frame
This speaker unit, the "FE204", is an 20cm Full-range Unit under the FOSTEX brand as a regular model, priced at ¥6,600(tax included)/1pc. Its main specifications include an Impedance of 8ohm, a Sound Pressure Level (sensitivity) of 95dB/W (1m), and a rated power handling of 25W, with a maximum power capacity of up to 80W.
To provide reference values for enclosure design, the Lowest Resonance Frequency (fs, f0) is 45Hz, and the Reproduction Frequency Response range is ensured from f0 to 20kHz. Designed as a component for back-loaded horn enclosures, an Mms (m0) of 14.6g, and a Vas of 51.4L. The manufacturer-recommended enclosure type is a Back-loaded Horn.
The frame is made of Steel Frame, the required baffle hole diameter is Φ185mm, it requires 4 mounting holes, the magnet weight is 848g, the total net weight is 2400g, the overall diameter of the unit is 208mm, and the depth is 88.5mm.
| Thiele&Small Parameters | Voice Coil Parameters | Mechanical Parameters |
|---|---|---|
fs (f0): 45 Hz Qms: 2.84 Qes: 0.21 Qts (Q0): 0.2 | Z: 8 ohm Re: 6.81 ohm | Mms (m0): 14.6 g Cms: 1.5 mm Diaphragm R (a): 81 mm |
| Enclosure Parameters | Other Parameters |
|---|---|
SPL: 95 dB/W (1m) Vas: 51.4 L Baffle Hole Diameter: Φ185 mm Depth: 88.5 mm Frequency Response: f0 to 20kHz Recommended Enclosure: Back-loaded Horn | Nom.: 25 W Mus.: 80 W Overall Diameter: 208 mm Magnet Weight: 848 g Net Weight: 2400 g Limited Edition: No |
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