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)
