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Peerless SLS-85S25CP04-04 3-1/2" Paper Cone Woofer 4 Ohm

Peerless SLS-85S25CP04-04 3-1/2" Paper Cone Woofer 4 Ohm

Peerless by Tymphany
Part #264-1600  
Model: SLS-85S25CP04-04
With a low Fs and 4.5 mm of excursion, the 3-1/2" Peerless SLS-85S25CP04-04 will produce powerful bass response in small speaker designs. In addition, an aluminum shorting ring and smooth response up to 5,000 Hz ensures low distortion and accuracy throughout the midrange frequencies.
Key Features
  • This small driver is capable of delivering a big sound
  • Low Fs and high Xmax makes this small driver capable of big sound
  • Damped paper cone with rubber surround provides natural response
  • Dual magnet design concentrates the magnetic field on the voice coil gap
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Overview

Peerless SLS-85S25CP04-04 3-1/2" Paper Cone Woofer 4 Ohm

The SLS-85S25CP04-04 3-1/2" paper cone woofer from Peerless is an extremely impressive driver for its size. With high excursion capabilities and low resonant frequency, you can expect a considerable amount of low end from compact designs. However, beyond that this driver excels throughout the midrange frequencies thanks to an aluminum shorting ring, optimized magnet, and damped paper cone making this driver ideal for use in ultra-compact 2-way designs and portable speaker systems.

Product Details

BrandPeerless by Tymphany
ModelSLS-85S25CP04-04
Part Number264-1600
UPC848864044859
Unit of MeasureEach
Weight2

Product Specifications

Nominal Diameter3-1/2"
Bolt Circle Diameter3.79
Power Handling (RMS)30 Watts
Power Handling (MAX)60 Watts
Impedance
Frequency Response70 to 6,000Hz
Sensitivity85.98dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)72Hz
DC Resistance (Re)3.18Ω
Voice Coil Inductance (Le)0.16mH
Mechanical Q (Qms)5.38
Electromagnetic Q (Qes)0.37
Total Q (Qts)0.35
Compliance Equivalent Volume (Vas)0.049ft³
Mechanical Compliance of Suspension (Cms)1.023mm/N
BL Product (BL)4.31T·m
Diaphragm Mass Inc. Airload (Mms)4.7g
Maximum Linear Excursion (Xmax)4.5mm
Surface Area of Cone (Sd)30.8cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialRubber
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter4.13, Across flats: 3.58"
Baffle Cutout Diameter2.96"
Depth3"
# Mounting Holes6

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.03ft³
Sealed F3170.9Hz
Vented Volume0.05ft³
Vented F371.6Hz

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