- Article number
- RS180-4
- EAN
- 0844632054242
- Woofer Series
- Dayton Audio Reference series
- Woofer Type
- Midwoofer
- Nominal Diameter
- 7"
- Power Handling (RMS)
- 60 watts
- Power Handling (max)
- 120 watts
- Impedance (Z)
- 4 ohms
- Sensitivity (SPL at 1m / 2.83V)
- 89.2 dB
- Frequency Response
- 39 - 3,600 Hz
- Voice Coil Diameter
- 38 mm
- DC Resistance (Re)
- 3.1 ohms
- Voice Coil Inductance (Le)
- 0.45 mH @ 1 kHz
- Resonant Frequency (Fs)
- 38.4 Hz
- Mechanical Q (Qms)
- 2.13
- Electromagnetic Q (Qes)
- 0.59
- Total Q (Qts)
- 0.46
- Diaphragm Mass Inc. Airload (Mms)
- 17.8g
- Mechanical Compliance of Suspension (Cms)
- 0.97 mm/N
- Surface Area of Cone (Sd)
- 124.7 cm²
- Volume of Displacement (Vd)
- 74.8 cm³
- BL Product (BL)
- 4.71 Tm
- Compliance Equivalent Volume (Vas)
- 21.2 liters
- Maximum Linear Excursion (Xmax)
- 6 mm
- Cone / Diaphragm Material
- Black Anodized Aluminum Cone
- Surround Material
- Rubber
- Voice Coil Wire Material
- Copper
- Voice Coil Former
- Aluminum
- Basket / Frame Material
- Cast Aluminum
- Magnet Material
- Ferrite
- Overall Outside Diameter
- 180.5 mm
- Overall Depth
- 82 mm
- Baffle Cutout Diameter
- 146 mm
- # Mounting Holes
- 6
- Sealed Volume
- 0.22ft³
- Sealed F3
- 78Hz
- Vented Volume
- 0.67ft³
- Vented F3
- 39Hz