12AX7

12AX7 also known as ECC83 , is a family of vacuum tubes. There are miniature low-frequency double triodes with a high voltage gain and low slope of the transfer characteristic. In addition to the original 12AX7 and its improved European version ECC83, the family includes more than 200 options. The electrical characteristics of most of […]

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A-Weighting

Simply put A-Weighting refers to introduction of a filter to reduce certain frequencies when measuring sound in order to obtain results that match better with the frequency response of our ears / audition.

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A-B Comparison

A-B Comparison refers to the process of switching between two audio sources or parts of a grear / equipment to compare a parameter setting, component, or sound quality. The best A-B comparisons are “blind,” where the listener does not know the identity of the sources until after the test is concluded. The test results are better if the two sources can be switched instantly.

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