RS125P-4 5" Reference Paper Woofer 4 Ohm

Quick Overview

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.

Product Highlights

  • Three-part paper composite diaphragm featuring paper, Kevlar®, and glass fibers
  • 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 for use as a woofer, midwoofer, or dedicated midrange driver

Product Manuals / Spec Sheets / Downloads

Dayton Audio RS125P-4 Specification Sheet
Dayton Audio RS125P-4 Data Files

Buying Options

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.

Speaker Series Reference Series
Model Number RS125P-4
Color Black
Unit of Measure Each
UPC 848791001420
Warranty - Parts 5 Years
Warranty - Labor 5 Years
Product Shipping Weight (lbs.) 2.6
Speaker Type Midrange
Nominal Diameter 5"
Power Handling (RMS) 30 watts
Power Handling (max) --
Continuous Program Power --
Impedance 4 ohms
Sensitivity 90 dB @ 2.83V/1m
Frequency Response 70 - 12,000 Hz
Voice Coil Diameter 25 mm
Magnet Weight --
DC Resistance (Re) 3.1 ohms
Voice Coil Inductance (Le) 0.32 mH @ 1 kHz
Resonant Frequency (Fs) 70 Hz
Mechanical Q (Qms) 3.19
Electromagnetic Q (Qes) 0.57
Total Q (Qts) 0.48
Diaphragm Mass Inc. Airload (Mms) 5.1g
Moving Mass Of Diaphragm (Mmd) --
Mechanical Compliance of Suspension (Cms) 1.02 mm/N
Surface Area Of Cone (Sd) 54.11 cm²
Volume of Displacement (Vd) 21.64 cm³
BL Product (BL) 3.49 Tm
Compliance Equivalent Volume (Vas) 3.98 liters
Maximum Linear Excursion (Xmax) 4 mm
Drivers Mechanical Losses (Rms) --
Cone / Diaphragm Material Paper / Kevlar 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 125.5 mm
Overall Depth 55 mm
Baffle Cutout Diameter 94 mm
# Mounting Holes 6
Mounting Hole Diameter --
Bolt Circle Diameter --
Product Weight --