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CSS LDW7 7" Midwoofer

CSS
Part #290-3002

CSS LDW7 7" Midwoofer

CSS
Part #290-3002  
Model: LDW7
The CSS LDW7 is an extremely well-rounded midwoofer from Creative Sound Solutions. The LDW7 utilizes several features that set it above the competition such as a copper cap, an aluminum shorting ring, a symmetrical motor structure, and a vented voice coil.
Key Features
  • Symmetrical motor structure for optimal drive force balance
  • Vented voice coil former reduces distortion and compression
  • Copper cap reduces voice coil inductance
  • Gold plated terminals ensure long-term trouble free connection
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Overview

CSS LDW7 7" Midwoofer

The CSS LDW7 is truly a no-compromise midwoofer that can be used in either a vented or sealed alignment. The cone of this driver features a paper and fiberglass blend and provides a wonderful mix of stiffness and high frequency extension. The motor structure utilizes aluminum shorting rings and copper pole caps for reduced distortion.

Product Details

BrandCSS
ModelLDW7
Part Number290-3002
UPC848864053738
Unit of MeasureEach
Weight4.7

Product Specifications

Nominal Diameter7"
Bolt Circle Diameter6.67
Power Handling (RMS)80 Watts
Power Handling (MAX)200 Watts
Impedance8Ω
Frequency Response30 to 4,500Hz
Sensitivity86dB 2.83V/1m
Voice Coil Diameter1.5"

Thiele-Small Parameters

Resonant Frequency (Fs)30Hz
DC Resistance (Re)6.4Ω
Voice Coil Inductance (Le)0.17mH
Mechanical Q (Qms)9
Electromagnetic Q (Qes)0.39
Total Q (Qts)0.37
Compliance Equivalent Volume (Vas)1.09ft³
Mechanical Compliance of Suspension (Cms)1.3mm/N
BL Product (BL)8.2T·m
Diaphragm Mass Inc. Airload (Mms)21.9g
Maximum Linear Excursion (Xmax)5.5mm
Surface Area of Cone (Sd)131cm²

Materials of Construction

Cone MaterialPaper / Glass Fiber
Surround MaterialRubber
Voice Coil FormerFiberglass
Basket / Frame MaterialCast Aluminum
Magnet MaterialFerrite

Mounting Information

Overall Outside Diameter7.166"
Baffle Cutout Diameter6.02"
Depth3.23"
# Mounting Holes6

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.3ft³
Sealed F364.4Hz
Vented Volume0.7ft³
Vented F335.9Hz

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