[wellylug] HW specs - Line In/Out and radios etc.

Cliff Pratt enkidu at cliffp.com
Mon Jan 26 19:03:00 NZDT 2009


Carl Turney wrote:
> Hello,
> 
> Any one know the voltage (etc) specs (e.g. compatibility) on the Line In 
> and Line Out of PC sound cards and laptops, particularly in relation to...
> 
> - the 3mm stereo plugs on external PC speakers, and earphone sockets on 
> transistor radios etc.
> and
> - the RCA in and outs of home stereo systems
> and
> - those 6mm professional-studio-type headphones.
> 
> I had thought that Line Out and Headset were quite different, but my new 
> Acer laptop manual gives the impression they are the same.
> 
> Am thinking about a variety of connections in this regard.  And vaguely 
> recall burning out some sound components, probably by porting headphone 
> out to line in, many years ago.  (May not have involved computers at 
> all, at the time.)
> 
I believe that in modern boxes it shouldn't matter too much as the ports 
are I think soft configurable.

Cheers,

Cliff



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