Frequency responce; harmonic distortion; signal to noise ratio; flutter
Operating Test Capability
4low frequency green reading within plus or minus 3 decibels relative to1 khz yellow reading within plus or minus 6 decibels relative to 1 khz; high frequency green reading within plus or minus 3 decibels relative to 1 khz yellow reading within plus or minus 6 decibels relative to 1 khz; distortion measures third harmonic distortion of 1 khz reference signal; flutter measures flutter of 1 khz reference signal; signal to noise ratio measures signal to noise ratio relative to 1 khz reference signal