[sdiy] Analog Delay Lines (was) [common acronyms?]

[Ken Stone]

>Something else thats also been used are spinning magnetic disks.  I have a
>morley echo pedal that uses one and if I could find some transformer oil
>that wasnt a deadly poison[2], maybe it would work again.  I've experiemented
>a little bit with using old 5.25" harddisk platters and making a disc
>delay like this but have never spent enough time on the mechanics to 
>get it "right"[3].  The theory works okay tho.  This really is just like
>a tape delay tho.

Have you had any success doing this? I always assumed the media would be
incompatible with regular tape heads, certainly as a gap must be maintained.
I guess you could always use the guts out of a floppy disk too.

Ken
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