IBM 6648 User Guide - Page 126

Specifications — desktop model (A40 and A40p), Maximum altitude

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Airflow Approximately 0.25 cubic meters per minute (9 cubic feet per minute) Acoustical noise-emission values Average sound-pressure levels: At operator position: Idle: 38 dBA Operating: 43 dBA At bystander position-1 meter (3.3 ft.): Idle: 33 dBA Operating: 37 dBA Declared (upper limit) sound power levels: Idle: 4.8 bels Operating: 5.1 bels Note: These levels were measured in controlled acoustical environments according to procedures specified by the American National Standards Institute (ANSI) S12.10 and ISO 7779, and are reported in accordance with ISO 9296. Actual sound-pressure levels in your location might exceed the average values stated because of room reflections and other nearby noise sources. The declared sound power levels indicate an upper limit, below which a large number of computers will operate. Specifications - desktop model (A40 and A40p) Dimensions Height: 140 mm (5.5 in.) Width: 425 mm (16.7 in.) Depth: 425 mm (16.7 in.) Weight: Minimum configuration as shipped: Maximum configuration: 11.3 kg (25.0 lb.) 9.4 kg (20 lb.) Environment Air temperature: System on: 10° to 35°C (50° to 95°F) System off: 10° to 43°C (50° to 110°F) Humidity: System on: 8% to 80% System off: 8% to 80% Maximum altitude: 2134 m (7000 ft.) Electrical input Input voltage: Low range: Minimum: 90 V ac Maximum: 137 V ac Input frequency range: 57-63 Hz Voltage switch setting: 115 V High range: Minimum: 180 V ac Maximum: 265 V ac Input frequency range: 47-53 Hz Voltage switch setting: 230 V 112 User Guide

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Airflow
Approximately 0.25 cubic meters per minute (9 cubic feet per minute)
Acoustical noise-emission values
Average sound-pressure levels:
At operator position: Idle:
38 dBA
Operating:
43 dBA
At bystander position–1 meter (3.3 ft.): Idle:
33 dBA
Operating:
37 dBA
Declared (upper limit) sound power levels: Idle:
4.8 bels
Operating:
5.1 bels
Note:
These levels were measured in controlled acoustical environments
according to procedures specified by the American National Standards
Institute (ANSI) S12.10 and ISO 7779, and are reported in accordance
with ISO 9296. Actual sound-pressure levels in your location might
exceed the average values stated because of room reflections and other
nearby noise sources. The declared sound power levels indicate an
upper limit, below which a large number of computers will operate.
Specifications — desktop model (A40 and A40p)
Dimensions
Height
: 140 mm (5.5 in.)
Width
:
425 mm (16.7 in.)
Depth
:
425 mm (16.7 in.)
Weight
:
Minimum configuration as shipped:
9.4 kg (20 lb.)
Maximum configuration:
11.3 kg (25.0 lb.)
Environment
Air temperature
: System on:
10° to 35°C (50° to 95°F)
System off:
10° to 43°C (50° to 110°F)
Humidity
:
System on:
8% to 80%
System off:
8% to 80%
Maximum altitude
:
2134 m (7000 ft.)
Electrical input
Input voltage
:
Low range
:
Minimum:
90 V ac
Maximum:
137 V ac
Input frequency range:
57-63 Hz
Voltage switch setting:
115 V
High range
:
Minimum:
180 V ac
Maximum:
265 V ac
Input frequency range:
47-53 Hz
Voltage switch setting:
230 V
112
User Guide