[pianotech] Verdigris in Action Centers

Al Guecia/AlliedPianoCraft AlliedPianoCraft at hotmail.com
Wed Dec 31 04:24:19 PST 2008


Thanks for the info Norm.

Al G

--------------------------------------------------
From: "Norm Barrett" <barr8345 at bellsouth.net>
Sent: Tuesday, December 30, 2008 11:35 PM
To: <pianotech at ptg.org>
Subject: Re: [pianotech] Verdigris in Action Centers

> I made one 20 years ago with a small transformer from Radio Shack. I saw 
> one that scared me because it was so large. It would probably deliver 
> around 60 amps of current which would be enough to catch the flange on 
> fire. I think mine delivered 5 amps which was more than enough to create 
> smoke if you held it on the flange pin too long. The voltage is not as 
> important as the current that you are sending through the center pin. The 
> primary of the transformer is wired to the 110 V line cord and the 
> secondary winding is wired to each side of the center pin shorting it out. 
> This heats the center pin quickly and that is how it works. My transformer 
> was 110 primary to 12 v secondary.
> Norm Barrett
>
> Al Guecia/AlliedPianoCraft wrote:
>> I made one many years ago, but have since lost it. It was made using a 
>> transformer I purchased from an electronics store. I don't remember the 
>> output voltage. Does anyone know what the output voltage should be?
>>
>> Al G
>>
>>
>
> 



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