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JazzGuitarGimp · Post by **JazzGuitarGimp** » Wed Jun 05, 2013 7:50 pm

67Mopar wrote:This is insane!

At what point did I ever say I worked with a live circuit? My inquiry was in reference to alternatives to using a buss ground on the rear of the pots, and (in true forum fashion) soon degraded into speculation and assumptions... Whatever. While I am not as knowledgable in controls are many of you are, I'm attempting to learn as much as I can. I'm a bit stubborn, but that's just my nature.

Laugh all you want, but I wear latex gloves AFTER the caps have been drained to protect myself from transient voltages that can remain after draining the caps. You are of-course free to dramatize and misquote to your hearts content... After all, it's what's trending!

I just received an email this morning from SE/Cornford complementing me on the refit of the RK100 amp!

No misquoting here. THERE ARE NO 'TRANSIENT' VOLTAGES PRESENT AFTER THE CAPS HAVE BEEN DISCHARGED!

ampgeek · Post by **ampgeek** » Wed Jun 05, 2013 7:53 pm

I was hoping for a do-over as well.

But...I just noticed that he deleted all of his posts within a 5'ish minute window which is very suspicious in my book. Looks like he is trying to hide something.

I don't participate in many forums and don't have much of a baseline to draw upon. Do most of the others have a higher frequency of these occurances (I would like to say misunderstandings but suspect it is deeper and darker than that) than the TAG and Hoffman forums?

They sure don't happen much here!

Cheers,
Dave O.

Phil_S · Post by **Phil_S** » Wed Jun 05, 2013 7:54 pm

Firestorm wrote:I was going to propose a do-over, but it looks like things have deteriorated past that point. Oh well.

I propose the mods re-write history and delete the whole thing! We can pretend it never happened. IMO, best for all involved, self included.

67Mopar · Post by **67Mopar** » Wed Jun 05, 2013 7:56 pm

67Mopar · Post by **67Mopar** » Wed Jun 05, 2013 7:57 pm

chief mushroom cloud · Wed Jun 05, 2013 7:59 pm

I say let this run on...it's too damn funny

vibratoking · Post by **vibratoking** » Wed Jun 05, 2013 8:00 pm

One good thing came out of this...Towelie. You go Towelie...get just a little high.

Zippy · Post by **Zippy** » Wed Jun 05, 2013 8:04 pm

67Mopar wrote:
JazzGuitarGimp wrote:
67Mopar wrote:This is insane!

At what point did I ever say I worked with a live circuit? My inquiry was in reference to alternatives to using a buss ground on the rear of the pots, and (in true forum fashion) soon degraded into speculation and assumptions... Whatever. While I am not as knowledgable in controls are many of you are, I'm attempting to learn as much as I can. I'm a bit stubborn, but that's just my nature.

Laugh all you want, but I wear latex gloves AFTER the caps have been drained to protect myself from transient voltages that can remain after draining the caps. You are of-course free to dramatize and misquote to your hearts content... After all, it's what's trending!

I just received an email this morning from SE/Cornford complementing me on the refit of the RK100 amp!
No misquoting here. THERE ARE NO 'TRANSIENT' VOLTAGES PRESENT AFTER THE CAPS HAVE BEEN DISCHARGED!
INCORRECT!

I'm curious about this. What is the source of the transient voltages that concern you? What is their magnitude? What gloves are you using?

I have never seen a voltage rating on latex gloves. (I used to be a USN nuke electrician.)

Reeltarded · Post by **Reeltarded** » Wed Jun 05, 2013 8:08 pm

vibratoking · Post by **vibratoking** » Wed Jun 05, 2013 8:12 pm

He is probably referring to the memory effect that most caps have. After a short discharge cycle, some caps can 'develop' a voltage again. It depends on the type of dielectric, ESR, and the quality/length of the discharge cycle. The voltage develops with an RC time constant, but it is well known that latex gloves protect you from that type of voltage.

"Don't forget to bring a towel!"

Blackburn · Post by **Blackburn** » Wed Jun 05, 2013 8:17 pm

Wow! Can't believe I missed out on this thread! You take a couple days to deal with personal stuff and this happens. I hate those damn voltages that appear out of nowhere after you drain the caps. It's like magic or something. I'm guessing wearing latex gloves while working a live circuit is out of the picture at this point? I like when he said that TAG content is just rig-talk.

Blackburn · Post by **Blackburn** » Wed Jun 05, 2013 8:22 pm

vibratoking wrote:He is probably referring to the memory effect that most caps have. After a short discharge cycle, some caps can 'develop' a voltage again. It depends on the type of dielectric, ESR, and the quality/length of the discharge cycle. The voltage develops with an RC time constant, but it is well known that latex gloves protect you from that type of voltage.

"Don't forget to bring a towel!"

I think I know what he meant, too, as I almost always see residual voltage there in small quantities. Never even feel it, though. And why not just keep the caps clipped to ground if you have that worry?

RB · Post by RB » Wed Jun 05, 2013 8:29 pm

The world/internet is a magical place full of people just waiting to be offended by something.

Sorry If their are a bunch of ingrates concerned about your saftey/well being.

By the way I believe the device known as a Variac is in fact wired as an autotransformer and has zero isolation properties.

Please feel to correct me if I am in error.

Regards
Randy

MGW · Post by **MGW** » Wed Jun 05, 2013 8:37 pm

While I'm laughing my ass off atthis whole thing, I still can't figure out why you keep going on about the 10A fuse variac deal. Your amp probably (and should for good reason) has a mains fuse of about 2 amps, maybe 3A. I wonder what the 10A fuse is gonna do for you that the 2A fuse isn't? The 10A fuse is a bit irrelevant because the smaller fuse is gonna blow LONG before you get to 10 amps.

I dont usually twist off on people, but when you get shocked (and you will) remember these guys repeatedly telling you to be careful and also trying to teach you how to be careful. Starting off with a question of (and yes this is a paraphrase) "how can I ground the pots without using a ground buss?" is an indication that you are fairly new to the tube amp scene. Whether true or not, they responded that way for your benefit. Because at one point or another, most of us have gotten bitten at least once. And it scares the shit out of you....and it hurts. That's best case...worst case...you die. Now you have taken a bunch of guys that were concerned for your well being and were very willing to teach you every damn thing they know ... and you have turned them into guys that would just as soon clip the caps to your nipples to drain them as help you out.

You say you dont have time for the drama...stop feeding it. Put on your big girl panties and take your medicine. If you can't...it might be a good idea for you to be a little prick somewhere else.

SO...with all of that said. Welcome aboard or bon voyage....whichever floats your boat.

ToneMerc · Post by **ToneMerc** » Wed Jun 05, 2013 8:51 pm

Blackburn wrote: I like when he said that TAG content is just rig-talk.

Or when he stated that we all were "losers"; now as juvenile as this thread has become on both sides, repeatedly insulting the ENTIRE TAG forum won't earn him many rewards. Yes, it's ony the internet, but just like real life, respect works both ways.

TM

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