Home » Audio » Pro Sound » Removal of Transformer From Old Jensen Speaker
Removal of Transformer From Old Jensen Speaker [message #27610] Thu, 28 August 2008 05:55 Go to next message
Eric Marangone is currently offline  Eric Marangone
Messages: 1
Registered: May 2009
Esquire
I have an old Jensen Alnico 10 that came out of a console stereo. It has an old transformer on it and some wires coming out of the magnet.
I am wondering how to connect it to my guitar amp. Should I remove the tranny and cut some wires?

Re: Removal of Transformer From Old Jensen Speaker [message #27611 is a reply to message #27610] Thu, 28 August 2008 16:00 Go to previous message
Wayne Parham is currently offline  Wayne Parham
Messages: 18792
Registered: January 2001
Illuminati (33rd Degree)

Sounds like you have a speaker with a field coil instead of a fixed magnet. Does it have four wires coming from it? If so, it is most likely a field coil speaker. You'll need a power supply for it because one pair of wires is the field coil, which is an electromagnet. This is used in place of a fixed magnet. The voice coil works just like speakers with a fixed magnet, signal current is applied through it and this causes the cone to move.


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