[sdiy] Anyone remember the Psych Tone?

[Scott Evans, Gen Mgr]

Thanks to all on the list who have replied to this post. I will be
attempting to retrofit newer IC's to this old project. If I come up with
anything useful, the list will hear about it.

Regards,
Scott

"Scott Evans, Gen Mgr" wrote:

> I recall reading a construction article on the "Psych Tone" in a '70s
> edition of Popular Electronics. It had three or four knobs on the front
> and generated random tone patterns. I am attempting to locate a
> schematic for this project and wish to adapt it to a DIY project. If
> anyone has the schemos or know where they are archived, I would
> appreciated it.
>
> Regards and thanks in advance,
>
> Scott Evans