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Acoustical Noise Declaration for IBM eServer BladeCenter Express Low Cost Model

  
Declared Noise Emissions in Accordance with ISO 9296
Product Description Declared A-Weighted Sound Power Level,
L WAd (B) 		Declared A-Weighted Sound Pressure Level,
L pAm (dB)
Operating Idling Operating Idling
7967, BladeCenter Express
Low Cost Chassis with Acoustic Muffler #49P2694 		6.9 6.9 56 56
7967, BladeCenter Express
Low Cost Chassis
Hot swap bays Standard: 14
Cooling system: 2 blowers
Power 2000W: Hot swap redun. 		7.4 7.4 60 60

Notes:
1.  LWAd is the statistical upper-limit A-weighted sound power level (rounded to the nearest 0.1 B);
2.  LpAm is the mean A-weighted emission sound pressure level measured at the 1-meter bystander positions (rounded to the nearest dB);
3.  10 dB (decibel) = 1 B (bel);
4.  All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296



 
More information
What is an Acoustical Noise Declaration?  
Acoustical Noise Declarations for other IBM Products