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Tang Band W3-2108 3-1/2" RBM Micro Subwoofer 4 Ohm

Tang Band
Part #264-949

Tang Band W3-2108 3-1/2" RBM Micro Subwoofer 4 Ohm

Tang Band
Part #264-949  
Model: W3-2108
Tang Band has improved upon early versions of their 3-1/2" RBM subwoofers to produce the W3-2108. This driver has a much smaller frame, without sacrificing anything, allowing for much easier installation.
Key Features
  • Amazing 7 mm of excursion and low Fs for unmatched low frequency from a driver this size
  • Large 1-1/4" voice coil with extensive venting for high power handling
  • No spider thanks to the patented dual cone, dual surround suspension
  • Completely linear travel up to the limits of excursion
  • This item available through special order only. Minimum order quantity is 50 pieces
Your Price: $67.48
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MSRP: $112.99
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Overview

Tang Band W3-2108 3-1/2" RBM Micro Subwoofer 4 Ohm

This item available through special order only. Minimum order quantity is 50 pieces

Possibly the most capable subwoofer driver of its size, Tang Band's W3-2108 3-1/2" subwoofer acts much larger than it looks. This driver uses a unique suspension consisting of dual surrounds and no spider to reach unheard of levels of excursion and linearity for a 3-1/2" subwoofer. With extensive venting of the voice coil, cone, and pole piece the W3-2108 can handle up to 50 watts max without an issue. In addition, the extended back plate prevents the voice coil from bottoming out when driven beyond xmax. This little beast of a subwoofer will deliver response down to 45 Hz with remarkably low distortion.

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. The added mass of the cone/surround assembly also reduces free air resonance.

Product Details

BrandTang Band
ModelW3-2108
Part Number264-949
UPC848864023748
Unit of MeasureEach
Weight2.5

Product Specifications

Nominal Diameter3-1/2"
Bolt Circle Diameter5
Power Handling (RMS)25 Watts
Power Handling (MAX)50 Watts
Impedance4Ω
Frequency Response45 to 1,000Hz
Sensitivity77dB 2.83V/1m
Voice Coil Diameter1.25"

Thiele-Small Parameters

Resonant Frequency (Fs)45Hz
DC Resistance (Re)3.6Ω
Voice Coil Inductance (Le)0.21mH
Mechanical Q (Qms)4.67
Electromagnetic Q (Qes)0.51
Total Q (Qts)0.46
Compliance Equivalent Volume (Vas)0.06ft³
BL Product (BL)6.17T·m
Maximum Linear Excursion (Xmax)7mm

Materials of Construction

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

Mounting Information

Overall Outside Diameter4.58" x 4.58": Diagonal 5.5"
Baffle Cutout Diameter4.3"
Depth2.625"
# Mounting Holes4

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.06ft³
Sealed F378.5Hz
Vented Volume0.08ft³
Vented F340.4Hz

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