Speakers; Environmental And Safety; Speaker Specifications; Environmental And Safety Specifications - NEC PowerMate Professional 9000E Series Service Manual

Speakers

The specifications for the speakers are included in the following table.
Feature
Speakers
Features
Performance

Environmental and Safety

The system environmental and safety specifications are included in the
following table.
Feature
Recommended Operating Environment
Relative Humidity:
Administrative Compliance
10-22 Specifications

Speaker Specifications

Specification
Altec-Lansing 9-watt (ASC-90)
Magnetically shielded 10-watt stereo speakers
Power on/off switch and power lamp
Volume and treble controls
Subwoofer output jack
15-volt AC power adapter
Frequency response, 90-20 kHz, 2 dB
Sensitivity, 300 mV
Output power, 4.5 watts

Environmental and Safety Specifications

Specification
Temperature: 50 F to 95 F (10 C to 35 C)
20% to 80%
UL 1950 – safety
CSA C22.2 No. 950-m89
TUV EN60950: 1988
FCC part 15, Subpart J, Class B - emissions
FCC part 68
IEC 950 – safety
VDE 0871/6.78, Class B - emissions