4 Inch (100 mm) Flame Retardant, Voice Range Speaker
Brand Name
MISCO OEM
Part #
DC4S-FR
In stock
$209.99
The DC4S-FR is a 4-inch voice range speaker for aerospace applications. It is equipped with a high-power ferrite magnet, a flame retardant cone, and surround, and fitted with quick-connect terminals for easy installation into small enclosures and systems.
- Voice range speaker
- 4 inch (100 mm) steel basket diameter
- 6 watt, 8 ohm, 88 dB SPL
- 0.6 inch copper voice coil, aluminum former
- Ferrite magnet, flame retardant cone & surround
Download Product Specifications (PDF) »
| Brand Name | MISCO OEM |
|---|---|
| Speaker Type | Voice |
| Shape of Speaker | Square |
| Size, Nominal (inch & mm) | 4" (100 mm) |
| Environment | Indoor |
| Application | Aerospace, Voice Communications |
| RoHS Compliant | No |
| Rated Impedance (Ω) | 8 |
| Rated Power IEC268-5 (W) | 6 Watts |
| Program Power (W) | 12 |
| Sensitivity (dB SPL) ¹ | 88 |
| Frequency Range (Hz) | 140 - 9,000 |
| DC Resistance (Re) (Ω) | 6.3 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 267 |
| Nominal Impedance (Z) (Ω) | 8 |
| Voice Coil Inductance (Le) (mH) | 0 |
| Mechanical Q Factor (Qms) | 5.9 |
| Electrical Q Factor (Qes) | 3.72 |
| Total Q Factor (Qts) | 2.29 |
| Basket Type | Stamped steel with zinc plating |
| Terminal Size (mm) | 5.2 mm x 0.5 mm |
| Voice Coil Diameter (mm) | 14.5 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Aluminum |
| Magnet Material | Ferrite |
| Magnet Weight (g) | 68 |
| Cone Body Material | Flame retardant paper |
| Cone Surround Material | Flame retardant paper |
| Spider Material | Flame retardant cloth |
| Dust Cap Material | Flame retardant paper |
| Net Weight (kg) | 0.25 |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |