IBM Dock I Electrical Characteristics, Audio-Circuit Specifications, Speaker-In to Audio-Out

Title: C74AMST CreationDate: 06/23/93 17:09:07

Electrical Characteristics

Heat Output	Base Configuration		181 BTUs/hr †
	Maximum		358 BTUs/hr
	Configuration
Input	Low	Minimum	100 V ac
Voltage—Sine-wave	Range
		Maximum	125 V ac
Input (50 or 60 Hz)
	High	Minimum	200 V ac
††
	Range
		Maximum	240 V ac
Input	Configuration as		0.053 k VA
Kilovolt-Amperes	shipped from IBM
(k VA)
	Maximum		0.105 k VA
(approximately)
	Configuration
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-2IBM ThinkPad Dock I User’s Guide