SparkFun Wide Frequency Range Speaker - 3in. (Polypropylene Cone)

This wide range speaker is an excellent choice for compact applications requiring high fidelity music, or high intelligibility voice/communications audio. A talc-filled, polypropylene cone with a rubber surround allows this driver to be used either indoors or outdoors.

Ideal applications for this speaker include home theaters, alarm and security systems, gaming and arcade cabinets, kiosk audio, smart devices, and more.

Features:

• Size, Nominal (inch & mm): 3" (77 mm)
• Shape of Speaker: Square
• Speaker Type: Wide Range
• RoHS Compliant: Yes
• Nominal Impedance (Z) (Ω): 8
• Rated Power IEC268-5 (W): 15 Watts
• Rated Impedance (Ω): 8
• Continuous Power (W): 10
• Program Power (W): 20
• Frequency Range (Hz): 103 - 15,000
• Sensitivity (dB SPL): 83
  • Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance
• Resonant Frequency (Fs) (Hz): 103
• DC Resistance (Re) (Ω): 6.7
• Voice Coil Inductance (Le) (mH): 0.24
• Mechanical Q Factor (Qms): 3.07
• Electrical Q Factor (Qes): 1.48
• Total Q Factor (Qts): 1.00
• Mechanical Resistance (Rms) (kg/s): 0.78
• Compliance Equivalent Volume (Vas) (L): 0.78
• Suspension Compliance (Cms) (mm/N): 0.65
• Surface Area of Diaphragm (Sd) (cm²): 29.2
• Moving Mass (Mms) (gm): 3.7
• Magnetic Gap Height (mm): 4.5
• Coil Winding Height (mm): 5.7
• Maximum Linear Excursion (Xmax) (mm): 0.6
• Motor Force Factor (BL) (Tâ�¢M): 3.3
• Efficiency (ηâ��) (%): 0.06
• Efficiency Bandwidth Product (EBP) (Fs/Qes): 69.2
• Basket Type: Stamped steel with black powder coat
• Terminal Size (mm): 5.2 x 0.5
• Voice Coil Diameter (mm): 19.38
• Voice Coil Wire Material: Copper
• Voice Coil Former Material: Aluminum
• Voice Coil Winding: Single, two layers
• Magnet Material: Ferrite
• Magnet Weight (gm): 85.05
• Cone Body Material: Talc filled polypropylene
• Cone Surround Material: Rubber
• Dust Cap Material: Talc filled polypropylene
• Spider Material: Conex
• Net Weight (kg): 0.1

Documents:

• Datasheet