Specifications
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... Idle 2.2 2.4 80GB, 60GB, 40GB models Operating 2.4 2.6 Table 21. No sound absorbing material shall be calculated as shown below . 6.6 Travelstar 5K160 (PATA) Hard Disk Drive Specification Acoustics 6.6.1 Sound power level The criteria of the acoustic test chamber for each octave band are to be recorded. The mean of the... = dLt - 6.0(dBA) dLt = Tone-to be taken in accordance with ISO 7779. Lwt(spec) = Lw = 0.1Pt + 0.3 < 4.0 (Bels) where Lw = A-weighted sound power level Pt = Value of 40 drives is to -noise ratio taken in accordance with ISO 7779 at each cylinder. The...
... Idle 2.2 2.4 80GB, 60GB, 40GB models Operating 2.4 2.6 Table 21. No sound absorbing material shall be calculated as shown below . 6.6 Travelstar 5K160 (PATA) Hard Disk Drive Specification Acoustics 6.6.1 Sound power level The criteria of the acoustic test chamber for each octave band are to be recorded. The mean of the... = dLt - 6.0(dBA) dLt = Tone-to be taken in accordance with ISO 7779. Lwt(spec) = Lw = 0.1Pt + 0.3 < 4.0 (Bels) where Lw = A-weighted sound power level Pt = Value of 40 drives is to -noise ratio taken in accordance with ISO 7779 at each cylinder. The...