RE: TTS and how to do it?

["Kenneth Watt" <kennwatt@xxxxxxx>]

I like the way you're thinking Ian, simple is best and less likely to
fail!

K.

> 
> Perhaps it's a design philosophy, but I really prefer the "dumb
node"
> approach wherever possible.
> 
> Why have an amp + power + mute intelligence in each zone, when you
can
> have
> just a speaker, and a single wire run to it?
> 
> I think the idea of using somehting like Ian B's irrigation relay
board to
> switch on/off the zones seems like the best (for me anyway!)
> 
> perhaps you could use connect the relays such that when closed,
the
zone
> speaker is in circuit, wheras if it's open, an 4 or 8 ohm power
resistor
> is
> in circuit instead?
> 
> Ian.




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