[sdiy] Tape head collage (pretty much not synth DIY, sorry)

[Scott E.]

Thanks for the pic, Doug. Learn sumthin' new all the time!

Is there a model of one of these for my reel-to-reel? <grin>

Scott
====================================================
The Peasant wrote:
> OK, here is a cassette type electronic head demagnetizer:
> 
> http://www.electronicpeasant.com/misc/demag.jpg
> 
> Now does anyone believe me???
> 
> The tape head contacts a transducer assembly when it enters the cassette shell, 
> which pushes on a small switch to begin the demagnetizing process. It is 
> powered by the small mercury cell seen in the top left corner, and there is a 
> small LED in the center that comes on when the process is complete. I works by 
> injecting a slowly decaying high frequency AC signal directly to the head, 
> which simulates what is done with a standard demagnetizing wand used correctly. 
> Phono cartridges can be demagnetized as well (the coil assembly, not the 
> internal magnets) using a similar type decaying signal.
> 
> Take care,
> Doug
> ______________________
> The Electronic Peasant
> 
> www.electronicpeasant.com