Re: Guitar wiring.. Is this dangerous???

[Louie Angulo <louie.angulo@googlemail.com>]

guys compared to the previous GR-33 are these outs form the GR-55 
noisier????

On Sun, Nov 6, 2011 at 9:37 PM, william middlemiss
<billymiddlemiss@gmail.com> wrote:
> Please dont go cheap and quick with ac current! replace 2 prong plugs 
> asap!
> especially with tube amps. Cheap and quick is never safe with 
> electricity.
> The last time I used a 2 prong plug on an amp, I nearly killed myself. I
> unplugged the cable at the end of a session with a friend, and dropped 
> the
> cable to the floor like I had so many times before...
> The cable hit a mic stand base, and created an arc that put a hole right
> through the plug on the end of the cable! Clean through! A hole 1/4" in
> diameter!
> This means that I had the hot end of the plate potential (voltage) going
> through the tip of the plug. I was barefoot, drinking an iced coffee
> dripping with condensation, and touching metal equipment that was all 
> turned
> on. I honestly have no idea how I did not electrocute myself.
>
> Even if you try it, and feel a slight tingle right after plugging in
> something; with time that unreleased energy can build up to stupidly high
> levels. It just sits there waiting to find a way to ground to be
> discharged.
> That amp I wrote of above was a 5-8w Silvertone. A 50 watt Marshall has
> voltages 4-5 times higher on the plates.
> With Mark's power supply question, we were writing of 9v dc with 
> 200-300mA.
> With that amp, were talking 400-500 VOLTS AC internal voltage and in the
> power section theres a matter of 10AMPS of current. Be careful.
> There are many reasons why guitar players are the only people stupid 
> enough
> to keep using thermionic technology (I say lovingly.) Efficiency and 
> safety
> are the big two reasons why everybody else was in a rush to move on.



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