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Manufacturer of Professional
Audio Test and Analysis Equipment.

 Important Sound Lab Updates
1. 64-bit OS Support
2. Using Wave Files with the TEF25

Click here for details!
New!
We are on YouTube.
Click here for our video directory.
The TEF Talk FORUM where TEF is discussed. Click here to learn more. Models ZM1P Impedance Meters!
Model TEF25 USB Preamplifier is here! The New
Generation of TEF!! Now certified for NC=0 Ultra Low Noise!
TEFKITS With the new TEF25 USB Preamp are here! Expanding the Power of TEF!!

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Audio Go to AUDIO
TEF Go to TEF
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We Have The Products That You Need!
ZM1 Impedance Meter
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TEF25
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TEF04 Mic
Go To MK10 Microphone
Noise Sources
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GOLD LINE     P.O. Box 500   West Redding, Connecticut 06896
Telephone: 203-938-2588   Fax: 203-938-8740

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