Re: arsclist Need Amp

["George Brock-Nannestad" <pattac@xxxxxxxx>]

From: Patent Tactics, George Brock-Nannestad

Mike Richter wrote:

----- Mike, point well taken, that would then be the PA distribution I 
was talking about (and the combined load on the amp would be 40 
ohms).

Kind regards,

George

> At 09:42 AM 8/5/2002 +0200, George Brock-Nannestad wrote:
> >From: Patent Tactics, George Brock-Nannestad
> >
> >Kurt Nauck wrote
> >
> > > I need an amplifier with 70v outputs to drive fifteen 8 ohm mono
> > > ceiling speakers in my new building. Speakers are configured in a
> > > star, and each one has it's own volume control.
> >
> >----- to me it sounds as if they are all connected in parallel, but
> >that each has a low-ohm variable resistor in series.
> 
> No, this is standard terminology for a standard configuration. Each
> speaker presents a 600-ohm load to the amp through transformer
> coupling. This is why standard studio headphones were (and on occasion
> still are) 600-ohm impedance.
> 
> I'm fuzzy on specifics; I've not worked with such a setup for several
> decades.
> 
> Mike
> 
> mrichter@xxxxxxx
> http://www.mrichter.com/
> 
> 
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