TS> I suspect you're thinking of dBu, as unreferenced to the  
 TS> 600 Ohm standard which is technically necessary for the  
 AA> I could be, they changed the way we do things, so now I know 
Yes, as balanced usually means floating differential, and 600 ohm usually 
means a mix of optimized 110 ohm outputs with terminating or bridging loads, 
and 600>600, 600>10k, and all sorts of other mixes.  I didn't choose to get 
into the complex transmission line theory as to why 110 ohm output impedances 
are about optimum for most solid state audio lines, as that's beyond most 
present readers here.  
 AA> I seldom post in here since it's mostly recording types, and those of 
 AA> us over in th broadcast engineering field seem to do things slightly 
dB are always by definition power ratios.  That does cause a bit of a 
challenge as to how to apply them to non-matched or other than transmission 
line circuits.  
 AA> different.  But if I'm thinking correctly your a broadcaster yourself.. 
Primarily that's true, for well over 20 years now.  I've done my share of 
recording studio construction and live work mixed in.  
Terry
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