4 Inch (104 mm) Flame-Retardant Voice Range Speaker
Brand Name
MISCO OEM
Part #
77012
Built to Order
$170.00
The 77012 (EEN4FR-8A) is a light-weight, efficient, and reliable audio solution for voice range sound within aerospace interior cabins. An aluminum basket and neodymium magnet reduces this speaker’s weight from the more common stamped-steel basket. The wire harness connects with a 4-40 screw terminals for a strong mechanical connection without solder.
- Flame retardant, voice range speaker
- 4" (104 mm) aluminum basket diameter
- 5 watts, 8 ohm, 90 dB SPL
- 0.75" aluminum voice coil, polyimide film former
- Neodymium magnet
Download Product Specifications (PDF) »
| Brand Name | MISCO OEM |
|---|---|
| Size, Nominal (inch & mm) | 4" (100 mm) |
| Shape of Speaker | Square |
| Speaker Type | Voice |
| Application | Aerospace, Indoor, Voice Communications |
| Environment | Indoor |
| RoHS Compliant | No |
| Nominal Impedance (Z) (Ω) | 8 |
| Rated Power IEC268-5 (W) | 5 Watts |
| Rated Impedance (Ω) | 8 |
| Program Power (W) | 15 |
| Frequency Range (Hz) | 200 - 6,000 |
| Sensitivity (dB SPL) ¹ | 90 |
| Resonant Frequency (Fs) (Hz) +/- 15% | 170 |
| DC Resistance (Re) (Ω) | 7.4 |
| Total Q Factor (Qts) | 0.83 |
| Basket Type | Black Powder Coat Stamped Aluminum |
| Terminal Size (mm) | 4.7 x 0.5 |
| Voice Coil Diameter (mm) | 14.5 |
| Voice Coil Wire Material | Aluminum |
| Voice Coil Former Material | Polyimide Film |
| Voice Coil Winding | Single Layer |
| Magnet Material | Neodymium |
| Magnet Weight (g) | 22.68 |
| Cone Body Material | Flame Retardant Paper Composite |
| Cone Surround Material | Flame Retardant Cloth |
| Dust Cap Material | Flame Retardant Paper Composite |
| Net Weight (kg) | 0.1 |
| Technical Notes | ¹Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance |