[Trevor Wilson]

"Eeyore" wrote in message
...


wrote:

Hello Everyone,

I am looking for a Greybeard of sorts. I have recently been thrown
into the audio realm, particularly testing with semiconductor PA's,
and I am curious to know where the 600 ohm impedance originated from.

Telegraph wires.

Graham

**I dunno if your emails are bouncing or not. Can you send another please?


--
Trevor Wilson
www.rageaudio.com.au