- Article number
- DA115-8
- Woofer Series
- Specialty
- Woofer Type
- Midwoofer
- Nominal Diameter
- 4"
- Power Handling (RMS)
- 20 watts
- Power Handling (max)
- 40 watts
- Impedance
- 8 ohms
- Sensitivity
- 84.9 dB @ 1W/1m
- Frequency Response
- 60 - 15,000 Hz
- Voice Coil Diameter
- 25 mm
- DC Resistance (Re)
- 6.4 ohms
- Voice Coil Inductance (Le)
- 0.70 mH
- Resonant Frequency (Fs)
- 60 Hz
- Mechanical Q (Qms)
- 2.60
- Electromagnetic Q (Qes)
- 0.49
- Total Q (Qts)
- 0.41
- Diaphragm Mass Inc. Airload (Mms)
- 6.6g
- Mechanical Compliance of Suspension (Cms)
- 1.1 mm/N
- Surface Area of Cone (Sd)
- 53.1 cm²
- Volume of Displacement (Vd)
- 0.0133 cm³
- BL Product (BL)
- 5.70 Tm
- Compliance Equivalent Volume (Vas)
- 4.4 liters
- Maximum Linear Excursion (Xmax)
- 2.5 mm
- Cone / Diaphragm Material
- Aluminum Cone
- Surround Material
- Rubber
- Voice Coil Wire Material
- Copper
- Voice Coil Former
- Aluminum
- Basket / Frame Material
- Steel
- Magnet Material
- Ferrite
- Overall Outside Diameter
- 115.6 mm
- Overall Depth
- 57.3 mm
- Baffle Cutout Diameter
- 93 mm
- # Mounting Holes
- 4
- Sealed Volume
- 0.04 ft.³
- Sealed F3
- 125 Hz
- Vented Volume
- 0.13 ft.³
- Vented F3
- 68 Hz
