Dayton Audio RS180P-4 7" Reference Paper Woofer 4 Ohm
The performance of the original groundbreaking Reference Series from Dayton Audio, now available with a paper cone! The Reference Series Paper drivers use a proprietary paper cone formulation combining natural paper pulp and synthetic Kevlar? and glass fibers to create an advanced non-woven fiber composite that delivers the perfect combination of excellent detail and smooth, natural sonic character, plus a distinctive, classy look.
Product Specifications
- Nominal Diameter7"
- Power Handling (RMS)60 Watts
- Power Handling (max)90 Watts
- Impedance4 ohms
- Frequency Response35 to 8,000 Hz
- Sensitivity90.8 dB 2.83V/1m
- Voice Coil Diameter1.5"
Thiele-Small Parameters
- Resonant Frequency (Fs)37.7 Hz
- DC Resistance (Re)3.1 ohms
- Voice Coil Inductance (Le)0.47 mH
- Mechanical Q (Qms)1.98
- Electromagnetic Q (Qes)0.48
- Total Q (Qts)0.39
- Compliance Equivalent Volume (Vas)0.96 ft.³
- Mechanical Compliance of Suspension (Cms)1.21 mm/N
- BL Product (BL)5.03 Tm
- Diaphragm Mass Inc. Airload (Mms)14.8g
- Maximum Linear Excursion (Xmax)6 mm
- Surface Area of Cone (Sd)126.7 cm²
Materials of Construction
- Cone MaterialPaper / Kevlar
- Surround MaterialRubber
- Basket / Frame MaterialCast Aluminum
- Magnet MaterialFerrite
Mounting Information
- Overall Outside Diameter7.11"
- Baffle Cutout Diameter5.75"
- Depth3.19"
- Bolt Circle Diameter6.63"
- # Mounting Holes6
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
- Sealed Volume0.27 ft.³
- Sealed F378 Hz
- Vented Volume0.64 ft.³
- Vented F342 Hz
