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FDP Forum / Amp Mods, Repairs, and Projects / Amp Safety 101

Pinetree
Moderator Emeritus
(with many stars)

NW Pennsylvania

Jul 22nd, 2014 05:39 PM   Edit   Profile  

Probably nothing new to some of you, but here's some good tips all rolled into one video.


YTC

Stratmanx
Contributing Member
**********
**

Memphis, TN

Jul 22nd, 2014 06:29 PM   Edit   Profile  

I like his explanation of heart valve operation and lock-up.

A good primer for newby's and always a good reminder for old heads as well.

Done in a personable way.

Peegoo
Contributing Member
**********
**********
***

I walk

between the raindrops
Jul 22nd, 2014 06:32 PM   Edit   Profile  

That is a great vid.

rfrakes331K
Contributing Member
***

IL USA

RonHalen Jokingly He Says
Jul 23rd, 2014 02:45 PM   Edit   Profile  

That was! I like to see the sparks fly though?

Hammond101
Contributing Member
******

So. Cal. USA

Jul 23rd, 2014 05:04 PM   Edit   Profile  

Always good to review the safety procedures. Thanks for the vid.

Working on the amp while "hot" is a completely different set of rules.

Here is one that often gets overlooked: Remove your wrist watch and any rings when working on a "hot" operating amp. A conductive watch or band or ring can literally weld your wrist or finger to voltage inside the chassis! Your jewelry also gets very hot when this happens......

Guitar Fool
Contributing Member
**********
**

Sunshine State

Just a pawn in someone else's game
Jul 24th, 2014 11:51 AM   Edit   Profile  

great video.... simple and to the point....


can u lock it at the top of the thread?

stratcowboy
Contributing Member
********

USA/Taos, NM

Jul 24th, 2014 01:41 PM   Edit   Profile  

"...can u lock it at the top of the thread?"

Good idea. Very simply stated with excellent emphasis on appropriate details. Good job. He's got me convinced!


Bubbalou
Contributing Member
**********
**

USA

THE LOW END OF UPPER TEJAS
Jul 24th, 2014 03:34 PM   Edit   Profile  

Very good video. I always knew you stand a chance of stopping your heart with a high voltage shock going in one arm, thru the heart and out the other arm but the thing I did not know was why it happened sometimes but not others. This was a real eye opener. Thanks for posting this video

Guitar Fool
Contributing Member
**********
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Sunshine State

Just a pawn in someone else's game
Jul 24th, 2014 05:44 PM   Edit   Profile  

".can u lock it at the top of the thread?"


sometimes us old guys need a reminder.... young un's too!!

Every day I have to open up an electrical panel and have to remind myself not to touch... one hand in pocket or behind back!!

gdw3

LA-la-land, CA

Insert clever comment here
Nov 10th, 2014 01:41 PM   Edit   Profile  

Very informative.


FredFen

Canada

Nov 19th, 2014 11:20 AM   Edit   Profile  

Thanks Pinetree!

I've seen a number of videos trying to explain this procedure.
This one is absolutely the best! :)


Peegoo
Contributing Member
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Just beyond Mars

there's a world of fools
Jan 13th, 2019 03:40 PM   Edit   Profile  

Here's the answer to a frequently-asked question regarding amp safety: how to install a three-wire (grounded) AC power cable in a vintage two-wire (no ground) amp.

Remember the polarization scheme in a grounded AC power outlet; the wide slot is neutral and the narrow slot is hot.

Also, if your vintage amp has a 'ground reverse' switch and/or a capacitor on the AC mains supply ("death cap"), remove all wires from the switch and completely remove the cap.

Click

(This message was last edited by Peegoo at 11:46 PM, Jan 18th, 2019)

Peegoo
Contributing Member
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Just beyond Mars

there's a world of fools
Jan 30th, 2019 11:12 PM   Edit   Profile  

This is the best in-depth look at tube amps in general, and how to approach troubleshooting them.

Even if you've never gone poking around inside an amp chassis, it's hugely educational.

The patient is an early 1970s Fender Twin Reverb.

Mr. Carlson's Lab

FDP Forum / Amp Mods, Repairs, and Projects / Amp Safety 101




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