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Dayton Audio WT3 Woofer Tester Review

by Mark Sanfilipo last modified April 17, 2008 19:08

Summary

  • Product Name: Dayton Audio WT3 Woofer Tester
  • Manufacturer: Dayton Audio
  • Performance Rating: StarStarStarStarhalf-star
  • Value Rating: StarStarStarStarStar
  • Review Date: April 17, 2008
  • MSRP: $99.88US.unit
Specifications

Primary Use: Woofer impedance measurement, Thiele/Small parameter generation
Secondary Use: Impedance measurement of drivers other than woofers and a variety of passive components.
System Type: USB (USB 1.1 compliant, USB 2.0, preferred).
Connector: 1 pair, built-in alligator clips
Power requirement: Unit draws power from USB port; no batteries or external power supply required.
Test signal: Upward-swept Sine wave
Frequency Display/Sweep Width (Hz): Adjustable LF & HF points
     LF Limits: 1 Hz to 10 kHz
     HF Limits: 10 Hz to 20 kHz
Software: Program included, must be installed manually
Calibration resistor supplied
Hardware manufactured in China, software in USA.
Warranty: Warranted free from defects in material and workmanship for 5 years from date of purchase .


Pros

  • Easy to install & easy to use
  • Impressively accurate measurement data

Cons

  • Quirky user interface
  • Limited data post-processing capabilities
  • Minimal help section & user manual

Introduction

The WT3 Woofer Tester by Dayton Audio is a fast, accurate and affordable measurement tool that’s about as easy to use as it gets. Just load the included software, plug the probe into the nearest USB port, calibrate, and you’re good to go. It’s that simple! It’ll measure driver impedance and derive the all-important Thiele/Small parameters - critical to the loudspeaker design process. It will also measure the impedance of various components commonly used in the construction of passive crossover networks such as resistors, caps & inductors. Rounding out this feature set, the WT3 sports some useful extra utilities you’ll likely find handy. All in all, this is one item likely to be a favorite of the DIY community for a long time to come.
  1. WT3 Setup and Calibration
  2. WT3 Measurements and Analysis
  3. WT3 Conclusion