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RS180-4 7" Reference Woofer 4 Ohm

Quick Overview

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Woofer features a black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, solid aluminum phase plug, rubber magnet boot, and gold spring terminals.

Product Highlights

• Great replacement for the Dayton RS180S-8 7" Reference Shielded Woofer 8 Ohm
• 4 ohm impedance is perfect for series pairs in MTMs and center channel speakers
• Excellent car audio midrange/midbass
• High-end low-distortion motor with two shorting paths to reduce inductance

Product Manuals / Spec Sheets / Downloads

Product Description

The Dayton Audio Reference Series sets a new standard of value in high-performance loudspeaker drivers. Utilizing a low-distortion motor system with two short-circuit paths and a rigid aluminum cone, the Reference Series can outperform drivers that cost several times the price. Their low-distortion characteristics and high excursion capabilities provide exceptional clarity, detail, and dynamics. Woofer features a black anodized cone, heavy-duty 6-hole cast frame, low-loss rubber surround, solid aluminum phase plug, rubber magnet boot, and gold spring terminals.

OPTIMUM CABINET SIZE *

Sealed Volume 0.42 ft.³
Sealed F3 69 Hz
Vented Volume 1.33 ft.³
Vented F3 35 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations

Product Details

Speaker Series Reference Series
Model Number RS180-4
List Price $64.99
Color Black
Unit of Measure Each
UPC 844632054242
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 5.1000
Speaker Type Woofer
Nominal Diameter 7"
Power Handling (RMS) 60 watts
Power Handling (max) 120 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity 89.2 dB @ 2.83V/1m
Frequency Response 39 - 3,600 Hz
Voice Coil Diameter 38 mm
Magnet Weight --
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
Moving Mass Of Diaphragm (Mmd) --
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) 6.0 mm
Driver's Mechanical Losses (Rms) --
Cone / Diaphragm Material Black Anodized Aluminum Cone
Entry / Exit Diameter --
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
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --