Phil Keller wrote:
> How long a lead can be between an MP3 player (for instance an iPOD) and 
> a set of powered PC style speakers?  I would like to place in a central 
> location several MP3 players, run some wire about 40-60 feet to 
> individual locations which each have a powered PC style speaker system.  
> I would think that the conductor size/type as well as the length need to 
> be considered but I do not have a clue as to where to start.  The series 
> resistance of 20 gauge wire is only about 10mOhm per foot (about 
> 1Ohm/100ft) so that does not seem to be significant.  What other things 
> should I be considering?

Shielded cable would be nice. Who knows what impedance the speakers are,
but they are probably low enough (1K ohm) you won't have any problem
with noise pickup.

Ground loops are unlikely as long as the speaker power is ungrounded.

Just go for it.

Cheerful regards,

Bob

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