Exabyte EXB-8505 8mm - Manual (Page 112)

Acoustic Noise
The overall, averaged A-weighted sound power levels (decibels) for
the tape drive do not exceed the upper limits specified in Table 6-14.
Operating mode LWA*
The tape drive is powered on and idle. 40 dBA
The tape drive is fully operational and operating in
streaming mode for a read or write operation.
45 dBA
*LWA is the average A-weighted sound power level over the following frequency
range: 5 Hz to 12.5 KHz.
Table 6-14 Acoustic noise limits
6-20 EXB-8205 and EXB-8505 510504
(Standard and XL)
6 Functional Specifications