----- Original Message -----
From: "Dan Nelson" <[log in to unmask]>
>I have an old BI-Amp spring reverb system... not that bad when applied
> I to remember the article about screen door spring home brew
> You had to use a home cutting head for the driver and a crystal pick up
> for the receiving end of the spring....
There was an article in Popular Electronics c. late 1956(?) which gave full
how to construct a "spring reverb" system, using a screen-door spring; I
idea whether PE can be sourced via the Internet or through libraries...?!
Steven C. Barr