Speaker Unit Details
FOSTEX FE166ES-R
16cm Full Range Limited Unit¥12,600 / 1pc
Steel frame
This speaker unit, the "FE166ES-R", is an 16cm Full Range Limited Unit Released in December 2004 under the FOSTEX brand as a Limited-edition model, priced at ¥12,600 / 1pc. Its main specifications include an Impedance of 8ohm, a Sound Pressure Level (sensitivity) of 95.5dB/W (1m), and a rated power handling of 25W, with a maximum power capacity of up to 75W.
To provide reference values for enclosure design, the Lowest Resonance Frequency (fs, f0) is 50Hz, and the Reproduction Frequency Response range is ensured from fs to 22k Hz. Designed as a component for back-loaded horn enclosures, and a Vas of 31.14L. The manufacturer-recommended enclosure type is a Back-loaded horn.
The frame is made of Steel frame, the required baffle hole diameter is Φ150mm, it requires 4 mounting holes, the magnet weight is 899g, the total net weight is 2800g, the overall diameter of the unit is 166mm, and the depth is 76.3mm.
| Thiele&Small Parameters | Voice Coil Parameters | Mechanical Parameters |
|---|---|---|
fs (f0): 50 Hz Qms: 5.354 Qes: 0.218 Qts (Q0): 0.21 | Z: 8 ohm Re: 6 ohm | Cms: 0.7 mm Diaphragm R (a): 65 mm |
| Enclosure Parameters | Other Parameters |
|---|---|
SPL: 95.5 dB/W (1m) Vas: 31.14 L Baffle Hole Diameter: Φ150 mm Depth: 76.3 mm Frequency Response: fs to 22k Hz Recommended Enclosure: Back-loaded horn | Nom.: 25 W Mus.: 75 W Overall Diameter: 166 mm Magnet Weight: 899 g Net Weight: 2800 g Limited Edition: Yes |
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