Between the Dell Community and the internet search (excite.com), research on CS4205 including
http://www.cirrus.com/en/products/pro/detail/P146.html , and some pages from Dell on speakers for multimedia systems such as http://docs.us.dell.com/docs/acc/nmb605/en/specs.htm
I have figures which are 10K (10,000) ohms impedence, and 12K so I am proposing my own answer that the headphone jack on the I4100 is a 'high impedence' output.
In my Amateur Radio days, one had a choice between 8 ohms (speakers) and 47K ohms (high impedence) when matching circuits.
Thus I will not turn my little bitsy speakers (and internal computer board) into mush, but instead go with the Koss HD-30 (discontinued model) speaker system. Maybe 3 watts will be better than one and I can hear a little better. Maybe the 1 watt internal amplifier will be turned off and my machine will generate less heat (but I doubt it. :)
More reference; a 2000 post: http://forums.us.dell.com/supportforums/board/message?
board.id=dim_audio&message.id=9773&highlight=impedance+speakers+notebook+laptop+I4100#M9773
(you'll have to cut and paste that one together), also
http://support.dell.com/systemdocumentation/index.aspx?cc=1&ct=34 for some speaker stuff
CliffOnTheRoad
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May 19th, 2004 14:00
http://www.cirrus.com/en/products/pro/detail/P146.html , and some pages from Dell on speakers for multimedia systems such as http://docs.us.dell.com/docs/acc/nmb605/en/specs.htm
I have figures which are 10K (10,000) ohms impedence, and 12K so I am proposing my own answer that the headphone jack on the I4100 is a 'high impedence' output.
In my Amateur Radio days, one had a choice between 8 ohms (speakers) and 47K ohms (high impedence) when matching circuits.
Thus I will not turn my little bitsy speakers (and internal computer board) into mush, but instead go with the Koss HD-30 (discontinued model) speaker system. Maybe 3 watts will be better than one and I can hear a little better. Maybe the 1 watt internal amplifier will be turned off and my machine will generate less heat (but I doubt it. :)
More reference; a 2000 post: http://forums.us.dell.com/supportforums/board/message?
board.id=dim_audio&message.id=9773&highlight=impedance+speakers+notebook+laptop+I4100#M9773
(you'll have to cut and paste that one together), also
http://support.dell.com/systemdocumentation/index.aspx?cc=1&ct=34 for some speaker stuff