broadcasting equipment normal operating temperature should be generally 18 ℃ ~ 45 ℃. Temperature is too low will reduce some of the sensitivity of the machine; it is too easy to burn out components, or components to make premature aging. Pay special attention to summer cooling and maintain good ventilation. ...

       In practice, the frequency range of the frequency response of the sound has been a major concern, however, because it involves the specialization of knowledge, a lot of people on the frequency range and frequency response of the one-sided understanding...