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Tang Band W1-1931S 1" Neodymium Full Range Driver

Tang BandPart # 264-923
Model: W1-1931S
Modern speaker designs and applications call for drivers that are exceptionally small. Traditionally, the sacrifice when using small drivers is performance. Tang Band's 31 mm W1-1931S full range driver plays from 170 Hz all the way up to 20,000 Hz without losing fidelity!

Key Features

  • Amazing extended range response from 170 to 20,000 Hz
  • Perfect for line-arrays and modern speaker designs
  • Super low inductance and ferrofluid cooled
  • Low Qts driver for high fidelity performance
  • Santoprene surround with mineral filled poly cone and press-fit frame design
Your Price: $25.98
MSRP: $38.99
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Overview

Tang Band W1-1931S 1" Neodymium Full Range Driver

Tang Band's W1-1931S micro full-range driver features amazing performance that belies its diminutive 31 mm diameter (under 1-1/4") size. The patented design employs a unique polypropylene cone, with flower petal embossments, that's mated to a neodymium motor for maximum BL product in the voice coil gap. A free air resonance of 170 Hz allows you to pair these nearly any woofer or subwoofer up to 6-1/2 feet away without localization and beaming effects (poor off-axis response).

Additionally, you can use these drivers in multiples for an awesome line-array speaker that requires a miniscule footprint. Great for use in designing micro LCR (left, center, right) speakers for modern flat panel HDTVs, or even computer desk and laptop speakers. The high-fidelity nature of these drivers is exemplified by their low Qts specification (quite rare in drivers this size), while the ultra-low inductance allows these to play relatively flat frequency response up 20,000 Hz! Ferrofluid cooling protects and cools the voice coil, while the mineral-filled polypropylene cone combines with the Santoprene surround for use in harsh environments. Press-fit frame design minimizes center-to-center distance.

Note: Higher power handling can be achieved by using a 200 Hz 2nd-order high-pass filter, or by using multiple drivers together.

Product Details

BrandTang Band
ModelW1-1931S
Part Number264-923
UPC844632099410
Unit of MeasureEach
Weight0.1

Product Specifications

Nominal Diameter1"
Power Handling (RMS)2 Watts
Power Handling (MAX)4 Watts
Impedance4Ω
Frequency Response170 to 20,000Hz
Sensitivity76dB 2.83V/1m
Voice Coil Diameter0.76"

Thiele-Small Parameters

Resonant Frequency (Fs)170Hz
DC Resistance (Re)3.6Ω
Voice Coil Inductance (Le)0.06mH
Mechanical Q (Qms)3.11
Electromagnetic Q (Qes)0.54
Total Q (Qts)0.46
Compliance Equivalent Volume (Vas)0.0007ft³
Mechanical Compliance of Suspension (Cms)0.85mm/N
BL Product (BL)2.6T·m
Maximum Linear Excursion (Xmax)1.2mm
Surface Area of Cone (Sd)4.5cm²

Materials of Construction

Cone MaterialPoly Composite
Surround MaterialSantoprene®
Magnet MaterialNeodymium

Mounting Information

Overall Outside Diameter1.22"
Baffle Cutout Diameter1.22"
Depth0.46"

Parts Express Staff Recommended Enclosure Volume

Sealed Volume0.002ft³
Sealed F3312.7Hz
Vented Volume0.002ft³
Vented F3142.1Hz

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