At 02:19 PM 11/21/2003 -0500, Olin Lathrop wrote:

>M. Adam Davis wrote:
>> IIRC, Line level means typical signal is 1v peak to peak, not to drop
>> below -1v or go above 1v (so you could do a 2v peak to peak centered
>> at 0v) into a load.  I've seen loads of 10k, and some as low a 47ohms
>> - I don't know what 'standard' is.
>
>600 ohms may not be "standard", but at least common.  Some published "dB"
>values for equipment assume a certain voltage into 600ohms for 0dB, although
>I don't remember what that voltage is.

1mW The 0dB is 0dBmW.


>Of course this isn't real dB since
>that represents a dimensionless ratio, but mere laws of physics and
>mathematics don't get in the way of product literature.

Well, on real products they do :)

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