Speaker Unit Details
FOSTEX FF125
12cm Fullrange Unit
Steel frame
This speaker unit, the "FF125", is an 12cm Fullrange Unit under the FOSTEX brand as a regular model, Its main specifications include an Impedance of 8ohm, a Sound Pressure Level (sensitivity) of 92dB/W (1m), and a rated power handling of 16W, with a maximum power capacity of up to 50W.
To provide reference values for enclosure design, the Lowest Resonance Frequency (fs, f0) is 60Hz, and the Reproduction Frequency Response range is ensured from fs to 18k Hz. , an Mms (m0) of 2.6g. The manufacturer-recommended enclosure type is a Back-loaded Horn.
The frame is made of Steel frame, the required baffle hole diameter is Φ112mm, it requires 4 mounting holes, the magnet weight is 330g, the total net weight is 865g, the overall diameter of the unit is 111.2mm,
| Thiele&Small Parameters | Voice Coil Parameters | Mechanical Parameters |
|---|---|---|
fs (f0): 60 Hz Qts (Q0): 0.24 | Z: 8 ohm VC Diameter: 18 mm | Mms (m0): 2.6 g Diaphragm R (a): 46 mm |
| Enclosure Parameters | Other Parameters |
|---|---|
SPL: 92 dB/W (1m) Baffle Hole Diameter: Φ112 mm Frequency Response: fs to 18k Hz Recommended Enclosure: Back-loaded Horn | Nom.: 16 W Mus.: 50 W Overall Diameter: 111.2 mm Magnet Weight: 330 g Net Weight: 865 g Limited Edition: No |
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