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

[Bob Gonsalves]

>A really, really long piece of wire.  :)  Sorry, I could not resist because
>a guitar player friend of mine in the 70s asked me how much wire he would
>need coiled up in the bottom of his speaker cabinet for such a delay.  There
>"might: have been some recreational drugs involved.

Long coils of coax cable used to be the way one would introduce 
delays -  in _video_ systems.