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CLEARANCE Tang Band W2-2040S 2" RBM Micro Subwoofer 4 Ohm

Tang Band
Part #264-950

CLEARANCE Tang Band W2-2040S 2" RBM Micro Subwoofer 4 Ohm

Tang Band
Part #264-950  
Model: W2-2040S
Tang Band's 2" W2-2040 RBM micro subwoofer is designed with two cones and two surrounds to offer high fidelity low frequency reproduction to almost any application.
Key Features
  • Super-small design for unique applications
  • Patented dual cone, dual surround subwoofer
  • Ultra-linear operation for low non-linear distortion
  • Huge 1" voice coil with 5.3 mm of Xmax and extensive cooling
  • High 267 EBP for horn-loading
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Overview

Tang Band W2-2040S 2" RBM Micro Subwoofer 4 Ohm

Tang Band designed their revolutionary RBM (Real Balanced Mode) flat subwoofers for ultra-linear operation, while remaining as thin as possible. The secret to their low distortion performance is in the patented symmetrical suspension system.

While most subwoofers rely upon a spider/surround combination to keep the cone travel linear, Tang Band has developed a new injection molding process that incorporates front and rear cones, as well as dual opposed surrounds.

Similar to an isobaric subwoofer alignment, the two cones work together to modulate a single column of air, reducing non-linear harmonic distortion. The added mass of the rear cone/surround assembly also reduces free air resonance.

Tang Band's W2-2040 2" RBM micro subwoofer features extensive venting on the rear cone and voice coil former to keep the large, overhung, neodymium-powered voice coil cool. Additionally, it offers low distortion frequency response that reaches down to 75 Hz.

Product Details

BrandTang Band
ModelW2-2040S
Part Number264-950
UPC848864015040
Unit of MeasureEach
Weight0.6

Product Specifications

Nominal Diameter2"
Bolt Circle Diameter3
Power Handling (RMS)10 Watts
Power Handling (MAX)20 Watts
Impedance4Ω
Frequency Response75 to 2,000Hz
Sensitivity76dB 2.83V/1m
Voice Coil Diameter1"

Thiele-Small Parameters

Resonant Frequency (Fs)75Hz
DC Resistance (Re)3.5Ω
Voice Coil Inductance (Le)0.25mH
Mechanical Q (Qms)5.21
Electromagnetic Q (Qes)0.28
Total Q (Qts)0.26
Compliance Equivalent Volume (Vas)0.006ft³
Maximum Linear Excursion (Xmax)5.3mm
Surface Area of Cone (Sd)14cm²

Materials of Construction

Cone MaterialPoly Composite
Surround MaterialRubber
Voice Coil Wire MaterialCopper
Basket / Frame MaterialPolymer
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter2.43 across the flats, 3.44"
Baffle Cutout Diameter2.20"
Depth2.15"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.01ft³
Sealed F3270Hz
Vented Volume0.01ft³
Vented F375Hz

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