- Article number
- 18PT-8
- Woofer Series
- Paper Cone Professional Woofer
- Nominal Diameter
- 18"
- Power Handling (RMS)
- 350 Watts
- Power Handling (max)
- 700 Watts
- Impedance (Z)
- 8 Ohms
- Sensitivity
- 93dB 2.83V/1m
- Frequency Response
- 25 to 4,000Hz
- Voice Coil Diameter
- 3"
- DC Resistance (Re)
- 6.9Ω
- Voice Coil Inductance (Le)
- 1.9mH
- Resonant Frequency (Fs)
- 23Hz
- Mechanical Q (Qms)
- 9.59
- Electromagnetic Q (Qes)
- 0.58
- Total Q (Qts)
- 0.54
- Diaphragm Mass Inc. Airload (Mms)
- 218g
- Mechanical Compliance of Suspension (Cms)
- 0.22mm/N
- Surface Area of Cone (Sd)
- 1234cm²
- BL Product (BL)
- 19.5T·m
- Compliance Equivalent Volume (Vas)
- 16.8ft³
- Maximum Linear Excursion (Xmax)
- 7.8 mm
- Cone / Diaphragm Material
- Paper / Glass Fiber
- Surround Material
- Cloth
- Voice Coil Wire Material
- Copper
- Voice Coil Former
- Kapton® / Polyimide
- Basket / Frame Material
- Steel
- Magnet Material
- Ferrite
- Overall Outside Diameter
- 16.07"
- Overall Depth
- 7.48"
- Baffle Cutout Diameter
- 16.65"
- Bolt Circle Diameter
- 17.59
- # Mounting Holes
- 8
- Sealed Volume
- 5ft³
- Sealed F3
- 40Hz
- Vented Volume
- 6ft³
- Vented F3
- 34Hz