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Electrical Characteristics
Heat Output Base Configuration 181 BTUs/hr †
Maximum
Configuration
358 BTUs/hr
Input
Voltage—Sine-wave
Input (50 or 60 Hz)
††
Low
Range
Minimum 100 V ac
Maximum 125 V ac
High
Range
Minimum 200 V ac
Maximum 240 V ac
Input
Kilovolt-Amperes
(k VA)
(approximately)
Configuration as
shipped from IBM
0.053 k VA
Maximum
Configuration
0.105 k VA
Power Cord See “IBM Power
Cords” on
page D-3.
Notes:
† British Thermal Units per hour
†† This product is also designed for IT power system with Phase to
Phase voltage not exceeding 240 V ac.
Audio-Circuit Specifications
Speaker-In to Audio-Out
Input frequency 1 kHz, Speaker-in level 200 mVrms
Output (mVrms) 170 to 230
S/N ratio (dB) > 48
Total Harmonic Distortion (THD) (%) < 1
Speaker-In to Headphone Jack
Input frequency 1 kHz, Headphone impedance 32 , Speaker output
1 W
Output (mW) > 1
D-2 IBM ThinkPad Dock I User’s Guide
Title: C74AMST CreationDate: 06/23/93 17:09:07