Gold Line

PO Box 500
West Redding, CT 06896
 
Gold Line/TEF is a U.S. manufacturer founded in 1961 dedicated to the design and manufacture of precision audio measurement equipment. Popular products include a series of impedance meters, DSP audio Spectrum Analyzers, sound level meters, pink and white noise generators, and the everyday working tool of many consultants, the NEW TEF25 analyzer.
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