[sdiy] need PCB layout for a +/-9V DC supply

[Roy J. Tellason]

On Wednesday 14 September 2005 11:57 pm, harrybissell wrote:
>
> Here's a bad thing. If someone is unfamiliar with your system, and you use
> standard cables... they could plug MIDI, or a Microphone etc... to a power
> source and kill something.
>
> Did you hear about the guy who found a good, cheap way to wire his speakers
> to his PA ??? He used standard 120V AC plugs.  He put sockets on the power
> amp case, and just cut the ends off of extension cords for the speakers.
>
> Can you guess where his speakers got plugged in ???   :^P

That's not as bad as the guy I knew back when that used a quarter inch phone 
plug to bring 117VAC into a box...!

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"