Dayton Audio RS180P-4 7" Reference Paper Woofer 4 Ohm

.

Product description

Dayton Audio Reference Series paper cone drivers combine class-leading low distortion performance with super smooth frequency response due to the use of a proprietary cone blend.

.

Highlights

Similar cosmetics and design features as original Reference Series with low-distortion motor, 6-hole cast frame, rubber surround, and solid aluminum phase plug

Perfect as a woofer, midwoofer, or dedicated midrange driver

Three-part paper composite diaphragm featuring paper, Kevlar, and glass fibers

6 mm of Xmax and 88.2 dB sensitivity

.

Product details

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.

.

Specifications

Article number RS180P-4

Woofer Series Reference Series

Woofer Type Midwoofer

Nominal Diameter 7"

Power Handling (RMS) 60 watts

Power Handling (max) 90 watts

Impedance (Z) 4 ohms

Sensitivity 90.8 dB @ 2.83V/1m

Frequency Response 35 - 8,000 Hz

Voice Coil Diameter 38.5 mm

DC Resistance (Re) 3.1 ohms

Voice Coil Inductance (Le) 0.47 mH @ 1 kHz

Resonant Frequency (Fs) 37.7 Hz

Mechanical Q (Qms) 1.98

Electromagnetic Q (Qes) 0.48

Total Q (Qts) 0.39

Diaphragm Mass Inc. Airload (Mms) 14.8g

Mechanical Compliance of Suspension (Cms) 1.21 mm/N

Surface Area of Cone (Sd) 126.7 cm²

Volume of Displacement (Vd) 76.02 cm³

BL Product (BL) 4.67 Tm

Compliance Equivalent Volume (Vas) 27.3 liters

Maximum Linear Excursion (Xmax) 6 mm

Cone / Diaphragm Material Paper / Kevlar Cone

Surround Material Rubber

Basket / Frame Material Cast Aluminum

Magnet Material Ferrite

Overall Outside Diameter 180.5 mm

Overall Depth 81 mm

Baffle Cutout Diameter 146 mm

# Mounting Holes 6

Sealed Volume 0.27 ft.³

Sealed F3 78 Hz

Vented Volume 0.64 ft.³

Vented F3 42 Hz