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Component Tester, Loud Speaker, 1Hz to 20kHz, 0.01R and 0.1° Phase Accuracy

TENMA 72-850

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GTIN UPC EAN: 640522695263
Technical Datasheet:
72-850   Datasheet
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Technical Documents (1)

CAD Downloads


Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Product Overview

Essential for design, refurbishing or DIY speaker building. This compact interface is powered directly from the USB port of most PC's, including laptops, and provide full T/S parameters of the connected speaker. Simply connect to an unmounted driver, and in a few minutes, this device will provide Fs, Cms, Qts, Vas, BL, Re, Le, Mms and CMS measurements, as well as an impedance curve and more. Measurements can be performed in most any shop or home, no special microphones or testing area is required.
  • Self powers from any USB port, including laptops
  • Single button Q and Fs testing
  • Single button Vas testing for Delta Mass, Delta Compliance and Sensitivity methods
  • Single button Vented Box analysis finds effective box size and tuning
  • T/S Parameters for mid ranges and tweeters
  • Measures Cms-vs-drive suspension non-linearity
  • Closed, Vented and Infinite Baffle box simulation
  • Measures and Simulates Rem/Xem non linear inductance, Qport, Qbox, Qleak and room boost effects
  • Adjustments for setting atmospheric conditions
  • Air wound inductor and Ellipse calculators
  • A real time continuous phase and impedance meter
  • True current source drive (not an approximation)
  • Continuously adjustable 1Hz-20KHz line output
  • Measure resistors, inductors, capacitors, test leads, cables and more
  • Measures 1Hz -20 kHz with 0.01R and 0.1° phase accuracy
  • Requires Win98se, WinMe, Win2K or WinXP and available USB port


72" USB cable, 30" test leads, Ver 2.01 software on CD, Detailed instructions on CD, Calibration resistor

Also Known As

GTIN UPC EAN: 640522695263

No Longer Manufactured


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