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DAYTON AUDIO DML25-4 Midrange Speaker Driver
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Dayton Audio DML25-4 Midrange Speaker 20W 4 Ohm 82dB 150Hz-15kHz
The Dayton Audio DML25-4 is a paper cone midrange speaker, designed according to the DML principle to diffuse sound over a wide area. Its compact square format makes it easy to integrate into low-profile speakers, while its wide dispersion allows greater placement flexibility. It covers a frequency range from 150Hz to 15kHz, with a sensitivity of 82.1dB and a power handling of 20W RMS, up to 40W maximum under 4Ω.
Its rubber surround, polymer basket and neodymium magnet help keep the assembly light and shallow. The DML25-4 can thus be used in soundbars, compact speakers, docking stations or satellite speakers, in sealed as well as ported enclosures.
Technical specifications
| Specifications | |
|---|---|
| Product type | Midrange Speaker |
| Nominal diameter | 5.08cm (2") |
| Impedance | 4Ω |
| Sensitivity | 82.1dB 2.83V/1m |
| Power | RMS: 20W MAX: 40W |
| Frequency response | 150Hz-15kHz |
| Voice coil diameter | 2.49cm (0.98") |
| Thiele-Small parameters | |
|---|---|
| Resonance frequency (Fs) | 212Hz |
| DC resistance (Re) | 4.3Ω |
| Voice coil inductance (LE) | 0.09mH |
| Mechanical quality coefficient (Qms) | 3.83 |
| Electromagnetic quality coefficient (Qes) | 1.5 |
| Total quality coefficient (Qts) | 1.1 |
| Compliance equivalent volume (Vas) | 0.0008ft³ |
| Mechanical compliance of suspension (Cms) | 0.15mm/N |
| Force factor (BL) | 3.86T·m |
| Max linear excursion (Xmax) | 1.5mm |
| Cone surface area (Sd) | 16cm² |
| Mounting informations | |
|---|---|
| Total external diameter | 6.68 x 6.68cm (2.63" x 2.63" |
| Cutout diameter | 5.94 x 5.94cm (2.34" x 2.34") |
| Depth | 2.64cm (1.04") |
| Number of mounting holes | 4 |
| Materials | |
|---|---|
| Cone | Paper |
| Magnet | Neodymium |
| Frame | Polymer |
| Surround | Rubber |
| General | |
|---|---|
| Weight | 0.11kg |
| Package | 1x Dayton Audio DML25-4 |
| Speaker Power (W RMS) | 20.0 |
| Speaker Type | Midrange |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 50.8 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 82.1 |
| Max Linear Excursion (Xmax) (mm) | 1.5 |
| Lowest frequency (Hz) | 150 |
| Highest frequency (Hz) | 15000 |
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