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NEW Dayton Audio PCS175-4 6-1/2" Poly Cone Woofer 4 Ohm

Dayton AudioPart # 295-664
Model: PCS175-4
The Dayton Audio PCS175-4 is a versatile 6-1/2" poly cone woofer designed to deliver strong midbass output and smooth response through the midrange. Featuring a grey polypropylene cone with an inverted dustcap, this 4-ohm driver combines modern styling with durable construction for reliable performance in a wide range of speaker systems.

Key Features

  • Durable poly cone and rubber surround for smooth response and long service life
  • 4-layer voice coil on aluminum former for improved thermal handling during demanding playback
  • Large diameter flat spider improves cone control and supports consistent excursion
  • Low-profile stamped steel frame ideal for surface-mounted speaker systems
  • Efficient 89 dB sensitivity for strong output with modest amplifier power
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Overview

Dayton Audio PCS175-4 6-1/2" Poly Cone Woofer 4 Ohm

The PCS175-4 is engineered to provide balanced midbass performance and dependable operation in two-way loudspeakers and other low frequency applications. Its polypropylene cone offers excellent damping characteristics while resisting moisture and environmental changes. The grey cone and inverted dustcap give the driver a distinctive, modern appearance that complements contemporary speaker designs. The PCS175-4 serves as a direct replacement woofer for the Dayton Audio B65 bookshelf speaker, providing a convenient solution for restoring bass and midrange performance to any damaged systems.

A compliant rubber surround allows controlled excursion, while the large diameter flat spider maintains proper alignment of the moving assembly to keep the voice coil centered during dynamic playback. The motor system uses a ferrite magnet paired with a four-layer voice coil wound on an aluminum former, providing improved thermal capacity and helping the driver maintain consistent performance during demanding listening sessions.

The stamped steel frame offers rigid support while maintaining a low-profile lip suitable for surface-mounted installations. With sensitivity of 89 dB and frequency response extending from 50 Hz to 5 kHz, the PCS175-4 is an excellent choice for bookshelf speakers, compact floorstanding designs, and other loudspeaker systems that require strong midbass performance.

The PCS175-4 is a direct replacement woofer for the Dayton Audio B65 and B65A bookshelf speakers, offering a simple solution for B65 speaker repair and restoring the original midbass performance.

Compatibility:

Product Details

BrandDayton Audio
ModelPCS175-4
Part Number295-664
UPC848791012143
Unit of MeasureEach
Weight1.65

Product Specifications

Nominal Diameter6-1/2"
Bolt Circle Diameter6.625
Power Handling (RMS)30 Watts
Power Handling (MAX)60 Watts
Impedance4Ω
Frequency Response50 - 5,000Hz
Sensitivity89.2dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)56Hz
DC Resistance (Re)3.7Ω
Voice Coil Inductance (Le)0.8mH
Mechanical Q (Qms)2.85
Electromagnetic Q (Qes)0.98
Total Q (Qts)0.73
Compliance Equivalent Volume (Vas)0.484ft³
Mechanical Compliance of Suspension (Cms)0.47mm/N
BL Product (BL)4.78T·m
Diaphragm Mass Inc. Airload (Mms)17.2g
Maximum Linear Excursion (Xmax)2mm
Surface Area of Cone (Sd)143cm²

Materials of Construction

Cone MaterialPoly
Surround MaterialRubber
Voice Coil FormerAluminum
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter7"
Baffle Cutout Diameter5.75"
Depth2.75"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.55ft³
Sealed F366Hz
Vented Volume0.8ft³
Vented F341Hz

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Manuals & Resources

California Prop 65

WARNING: Cancer and Reproductive Harm

www.P65Warnings.ca.gov