The exceptionally precise measuring instruments are among the best tools that an engineer can use for the development of hi-fi electronics. With their help, we meticulously measure our electronic products, from the amplifier to the CD player and the active subwoofer, during every single development stage. Among other things, we test for a linear frequency response, stable performance, the lowest possible level of harmonic distortion and much, much more, Here, too, the results provide us with valuable and very precise starting points for possible improvements to ensure that we can offer our customers a product we can be proud of at the end of the development process.