[OT] Two Computers, One Set of Speakers

[Lennart Sorensen]

On Thu, May 29, 2008 at 02:52:54PM +0000, Peter wrote:
> 
> You need a simple cable that is called a combiner. Someone could make it for
> you. It contains 4 resistors. Lousy ascii schematic follows:
> 
> In1 L o-----R------*-----o Out L
>                    |
> In2 L o-----R------+
> 
> In1 R o-----R------*-----o Out R
>                    |
> In2 R o-----R------+
> 
> In1, In2 Gnd   o---------o Out Gnd 
> 
> All R are 32 Ohms, 0.25W fixed resistors. This assumes that the speakers are
> amplified. A switch is not needed and you can listen to both (!!) sources at the
> same time if you want to.
> 
> Caveat: The two computers and the speakers MUST use the same power strip and it
> is better if you do not connect/disconnect them while power is on (especially if
> using 3.5mm (aka 1/8") mini plugs).
> 
> Unfortunately I have no idea where one can buy such a cable. I have been making
> my own (for up to 4 inputs!) for several years.
> 
> Peter
> 
> PS: You use this at your own risk. Ground faults and hot plugging *will*
> eventually destroy your equipment if you are not careful.

I still think this is simpler and better:

PC1 line out ---+
                |
		|
PC2 line in ----+
PC2 line out ------- speakers

PC2 being the one that is most likely to always be on since PC1 won't
have sound if PC2 is off.

-- 
Len Sorensen
--
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