PC68-4 2-1/2" Full-Range Poly Cone Driver

Quick Overview

Dayton Audios PC68-4 2-1/2" full-range driver will deliver smooth and natural response from extremely compact designs. When used in line arrays, portable speakers, sound bars, or as a dedicated midrange in 3-way designs this driver will prove to be an excellent value.

Product Highlights

  • Poly damped woven glass fiber cone controls cone break-up and provides a smooth roll-off
  • High energy ferrite magnet increases BL for higher efficiency and increased output
  • Rubber surround improves cone linearity and transients
  • Smooth response with true full-range reproduction for simple speaker designs

Product Manuals / Spec Sheets / Downloads

Dayton Audio PC68-4 Specifications Sheet
Dayton Audio PC68-4 Graphs/FRD/ZMA Data File

The Dayton Audio PC68-4 2-1/2" full-range driver features a poly damped woven glass fiber cone, rubber surround, and high energy motor. Offering great full-range performance, controlled off-axis response, and high efficiency, this driver will provide impressive output for its size. Perfect for use in line arrays, sound bars, portable speakers, or even car audio the Dayton Audio PC68-4 driver will deliver high fidelity and low distortion from compact applications for an amazing value.

Model NumberPC68-4
List Price $14.99
Unit of MeasureEach
Warranty - Parts5 Years
Warranty - Labor5 Years
Product Shipping Weight (lbs.)0.65
Speaker TypeFull-Range
Nominal Diameter2.50"
Power Handling (RMS)20 watts
Power Handling (max)40 watts
Continuous Program Power--
Impedance4 ohms
Sensitivity86.1 dB @ 2.83V/1m
Frequency Response

120 - 17

000 Hz

Voice Coil Diameter0.75"
Magnet Weight--
DC Resistance (Re)3.8 ohms
Voice Coil Inductance (Le)0.29 mH
Resonant Frequency (Fs)117.1 Hz
Mechanical Q (Qms)2.49
Electromagnetic Q (Qes)0.87
Total Q (Qts)0.65
Diaphragm Mass Inc. Airload (Mms)1.7g
Moving Mass Of Diaphragm (Mmd)--
Mechanical Compliance of Suspension (Cms)1.07 mm/N
Surface Area Of Cone (Sd)21.2 cm²
Volume of Displacement (Vd)4.2 cm³
BL Product (BL)2.4 Tm
Compliance Equivalent Volume (Vas)0.7 liters
Maximum Linear Excursion (Xmax)2.0 mm
Drivers Mechanical Losses (Rms)--
Cone / Diaphragm MaterialPoly Composite Cone
Entry / Exit Diameter--
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Voice Coil FormerAluminum
Basket/Frame MaterialStamped Steel
Magnet MaterialFerrite
Overall Outside Diameter68 mm
Overall Depth37 mm
Baffle Cutout Diameter64 mm
# Mounting Holes4
Mounting Hole Diameter--
Bolt Circle Diameter73 mm
Product Weight--