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Peerless by Tymphany SDS-P830855 4" Woofer 8 Ohm

Peerless by TymphanyPart # 264-1065
Model: SDS-P830855
The 830855 SDS Series 4" woofer from Tymphany is perfect for use as a woofer in small format 2-way speakers, a mid in 3-way speakers, or as a compact subwoofer.

Key Features

  • Great all around woofer that works as a midrange or a compact subwoofer
  • Maximum motor venting for quiet operation and good power handling
  • Durable rubber surround and truncated cosmetic steel frame
Your Price: $21.19
MSRP: $29.99
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Overview

Peerless by Tymphany SDS-P830855 4" Woofer 8 Ohm

Tymphany's SDS Series 830855 woofer is intended for use in small surround sound speakers, compact monitors, as the dedicated midrange component in 3-way or 4-way systems, or even as a small PC subwoofer.

The 830855 features a truncated cosmetic stamped steel frame, which allows it to fit in small cabinets. Venting below the spider and at the cone apex reduces trapped air, resulting in quieter operation and a cooler voice coil. Treated paper cone with rubber surround and inverted dust cap.

Product Details

BrandPeerless by Tymphany
ModelSDS-P830855
Part Number264-1065
UPC848864015002
Unit of MeasureEach
Weight1.7

Product Specifications

Nominal Diameter4"
Bolt Circle Diameter4.49
Power Handling (RMS)30 Watts
Power Handling (MAX)60 Watts
Impedance8Ω
Frequency Response63 to 6,200Hz
Sensitivity84.8dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)63Hz
DC Resistance (Re)5.6Ω
Voice Coil Inductance (Le)0.24mH
Mechanical Q (Qms)4.66
Electromagnetic Q (Qes)0.49
Total Q (Qts)0.44
Compliance Equivalent Volume (Vas)0.11ft³
Mechanical Compliance of Suspension (Cms)92.3mm/N
BL Product (BL)5.58T·m
Diaphragm Mass Inc. Airload (Mms)6.9g
Maximum Linear Excursion (Xmax)3mm
Surface Area of Cone (Sd)50.3cm²

Materials of Construction

Cone MaterialTreated Paper
Surround MaterialRubber
Basket / Frame MaterialSteel
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter4.14" across the flats, 4.85"
Baffle Cutout Diameter3.75"
Depth3.64"
# Mounting Holes6

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.1ft³
Sealed F3115.4Hz
Vented Volume0.15ft³
Vented F355.2Hz

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