Phil Keller ha scritto:

> * Background: I work with a local charity that puts on a Ghost House =

> that every year raises money for various non-profit organizations. The =

> ghost house consists of 10 rooms in two 66ft trailers. We are utilizing =

> PC style amplified speakers and plan on running the leads (most likely =

> 16 gauge =93ZIP=94 cord) back to a centralized location which will be =

> utilizing an MP3 style player.
> * Problem: As I understand it, and I am not an audio kind of guy, the =

> MP3 player will not be able to drive the 6-12 PC speaker loads, thus the =

> need for an Audio Splitter/driver distribution system. The problem is =

> that the Audio drivers that I have found run several hundred dollars and =

> are really designed for multiple speakers, not earphones. The advantage =

> we have is that the input impedance to most PC speakers is in the 10K =

> range so that the output drive requirements of the splitter is reduced. =

> The sounds do NOT need to be of great quality, this is a ghost house =

> after all, but the reproduction should be =93GOOD=94.

hmmm, I'd use cheap PC speakers, make the out-going impedance "low" (to =

avoid picking hum and noise), and simply done.
I've been doing the same in my home for some time, to drive wall =

speakers from my PC.



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