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RS225-4 8" 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

• 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 0.5 ft.³
Sealed F3 70 Hz
Vented Volume 1.62 ft.³
Vented F3 36 Hz
* Enclosure volume/F3s based on BassBox "optimum" calculations

Product Details

Speaker Series Reference Series
Model Number RS225-4
List Price $75.99
Color Black
Unit of Measure Each
UPC 844632054259
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 5.9500
Speaker Type Woofer
Nominal Diameter 8"
Power Handling (RMS) 80 watts
Power Handling (max) 160 watts
Continuous Program Power --
Impedance 4 ohms
Sensitivity 91 dB @ 2.83V/1m
Frequency Response 35 - 2,300 Hz
Voice Coil Diameter 38 mm
Magnet Weight --
DC Resistance (Re) 3.2 ohms
Voice Coil Inductance (Le) 0.49 mH @ 1 kHz
Resonant Frequency (Fs) 33 Hz
Mechanical Q (Qms) 2.02
Electromagnetic Q (Qes) 0.52
Total Q (Qts) 0.41
Diaphragm Mass Inc. Airload (Mms) 32.2g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 0.72 mm/N
Surface Area Of Cone (Sd) 213.8 cm²
Volume of Displacement (Vd) 128.2 cm³
BL Product (BL) 6.38 Tm
Compliance Equivalent Volume (Vas) 46.4 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 223 mm
Overall Depth 92 mm
Baffle Cutout Diameter 184 mm
# Mounting Holes 6
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --