How do you evaluate FM sensitivity ratings for car CD/radios? Is the difference between 8dBf and 9dBf significant?

Similar questions: evaluate FM sensitivity ratings car CD radios difference 8dBf 9dBf significant.

Decibel is a "virtual" unit A decibel represents the magnitude of something compared to some base value. Decibel (or Bel to be more precise) is a logarithmic function and a difference of three decibel means approximetly the double to the base value. So a sensitivity of 8dBf is more or less the double of 5dBf.1 dB signifies a factor of ca. 1.25, so the sensitivity of unit two in your example is about 25% better.

If I look for sensitivities using Google I mostly find values around 10 and higher, so both units in your case seems to be in the area of lower sensitivities. Sources: en.wikipedia.org/wiki/Decibel .

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