View Full Version : Help Made Magnetizer Machine
lindomar
07-18-2007, 04:30 PM
Hello for all...
Wanted if possible that some helps me the to build one it project magnetizer speakers.
Somebody has a how-to or a project to help me.
Thank you very much to all.
Lindomar.
Storm
07-18-2007, 04:31 PM
Am I the only one that is confused?
:blink:
-Storm.
Hello for all...
Wanted if possible that some helps me the to build one it project magnetizer speakers.
Somebody has a how-to or a project to help me.
Thank you very much to all.
Lindomar.
brutal
07-18-2007, 04:40 PM
Am I the only one that is confused?
:blink:
-Storm.
.
lindomar
07-18-2007, 04:44 PM
Help for create my home made Magnetizer Machine...
Please.
Lindomar.
Excuse for English.:(
pelly3s
07-18-2007, 06:07 PM
i responded to your PM. TC Sounds is the only option I can think of to help you. I don't know your skill level with electrical equipment but it is a dangerous device while you are building and testing.
Ian Mackenzie
07-18-2007, 07:41 PM
I have been advised it a black art..not trivial.
Ian
Hoerninger
07-18-2007, 08:28 PM
Some theorie - take care.
____________
Peter
lindomar
07-19-2007, 04:42 AM
I live in Brazil and he doesn't have as I buy.
My question is to discharge SCR and the size of the reel.
Please....
It is only for use hobby home and not commercial.
Thanks.
hjames
07-19-2007, 05:06 AM
I live in Brazil and he doesn't have as I buy.
My question is to discharge SCR and the size of the reel.
Please....
It is only for use hobby home and not commercial.
Thanks.
Are you talking about a tape Demagnetizer/Bulk Eraser to erase Reel to Reel tapes?
Or did you mean a RE-magnetiser to restore tired Alnico speaker magnets?
They are quite different things!
pelly3s
07-19-2007, 10:38 AM
check out http://www.ccipower.com/ for the scr you may be able to go somewhere with that
Steve Schell
07-19-2007, 05:52 PM
Most of the speaker magnet chargers in use are capacitor discharge types, where a large capacitor bank is suddenly discharged through a large epoxied coil of fat magnet wire and the speaker is placed within. As I understand it a diode is often placed in series to prevent back EMF that might cause a partial demagnetization. Precautions should be taken in the construction and use of such a device due to the high currents and potential for electrocution.
On the Joelist years ago there was a similar thread to this one. Someone related a story of a person supposedly being killed during a charging operation at a factory in the Netherlands when a loose metal object traveled a considerable distance through a closed wooden door and struck the operator. I have since spoken to speaker industry folks who have been around chargers for decades, and they all say that the story has got to be a silly urban legend.
lindomar
07-19-2007, 07:25 PM
Re-magnetiser to restore tired alnico speaker magnets.
Lindomar.
Are you talking about a tape Demagnetizer/Bulk Eraser to erase Reel to Reel tapes?
Or did you mean a RE-magnetiser to restore tired Alnico speaker magnets?
They are quite different things!
toddalin
07-19-2007, 07:58 PM
You do realize that you have to pump 1.21 giggawatts through the flux capacitor to do what you are asking, don't you? ;)
lindomar
07-20-2007, 03:53 AM
This simple machine construction.
My problem now is the exit COIL.
Pelly3s you could happen the measures of your COIL values?
Lindomar.
http://www.audioheritage.org/vbulletin/attachment.php?attachmentid=26590&stc=1&d=1184928760
Storm
07-20-2007, 12:17 PM
You do realize that you have to pump 1.21 giggawatts through the flux capacitor to do what you are asking, don't you? ;)
Watch out, Marty!
:rotfl:
-Storm.
Powered by vBulletin® Version 4.2.5 Copyright © 2024 vBulletin Solutions Inc. All rights reserved.