Acoustical Noise Emissions; Declared Acoustical Noise Emissions - IBM 6C1 Service Manual

Acoustical Noise Emissions

The equivalent continuous A-weighted sound pressure level at workstations (emission
sound pressure level at the 1-meter bystander positions) does not exceed 70 dB(A).
Der Geräuschpegel der Einheit ist kleiner oder gleich 70 db(A).

Declared Acoustical Noise Emissions

Product
Configuration
Model 6E1
Model 6C1
Notes:
LWAd
1.
10dB)
LpAm
2.
positions for a random sample of machines.
3. All measurements made in conformance with ISO 7779 and declared in conformance with
ISO 9296.
4. System Configurations
v Model 6E1: 1 processor, 2 hard files
v Model 6C1: 2 processors, 7 hard files, 3 power supplies
318
Service Guide
Declared A-Weighted Sound Power
Level, LWAd (B)
Operating
6.1
6.2
is the declared (upper limit) sound power level for a random sample of machines. (1B =
is the mean value of the A-weighted sound pressure level at the 1-meter bystander
Declared A-Weighted Sound
Pressure Level, <LpAm>(dB) at 1
meter Bystander Position
Idling Operating
6.1 44
5.9 46
Idling
43
44