4 Inch (100 mm) 8 Ohm, Voice Range Aerospace Speaker
Brand Name
MISCO OEM
Part #
4C8CFR
Built to Order
$534.99
The 4C8CFR is a 4" voice range speaker designed for aerospace applications. This driver uses a high-power alnico magnet and is fungus-resistant and flame retardant to meet the requirements of Federal Air Regulation Part 25 Section 25.853. Ideal for shallow enclosures.
- Voice range speaker
- 4" (100 mm) steel basket diameter
- 10 watt, 8 ohm, 86 dB SPL
- 0.75" copper voice coil, aluminum former
- Alnico magnet, flame retardant paper cone
| Brand Name | MISCO OEM |
|---|---|
| National Stock Number (NSN) | 5965011045102 |
| Speaker Type | Voice |
| Shape of Speaker | Square |
| Size, Nominal (inch & mm) | 4" (100 mm) |
| Environment | Indoor |
| Application | Aerospace, Indoor, Voice Communications |
| RoHS Compliant | No |
| Rated Impedance (Ω) | 8 |
| Rated Power IEC268-5 (W) | 10 Watts |
| Program Power (W) | 20 |
| Sensitivity (dB SPL) ¹ | 86 |
| Frequency Range (Hz) | 250 - 8,000 |
| DC Resistance (Re) (Ω) | 7.2 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 310 |
| Nominal Impedance (Z) (Ω) | 8 |
| Basket Type | Stamped steel |
| Terminal Size (mm) | 4.7 x 0.5 |
| Voice Coil Diameter (mm) | 20.3 |
| Voice Coil Wire Material | Copper |
| Voice Coil Former Material | Aluminum |
| Magnet Material | Alnico |
| Magnet Weight (g) | 27.8 |
| Cone Body Material | Flame retardant paper fiber |
| Spider Material | Cotton |
| Dust Cap Material | Felted cloth |
| Technical Notes | ¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance
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