Echolette, Binson EchoRec

[Jeremy Brookes]

>>there is a instruction for doing an echolette, too. Simply a aluminum
>>disk, 5mm thick, diameter, say 10cm.  Now, slay a cassette and glue the
>>tape to the disk edge,
>
>if anyone is crazy enough to do this, perhaps a horizontal drum would be
>better than a disk. And, you could make a stereo one more easily.

Or maybe you could just use a cassette hacked so the tape is in a constant
loop inside with separate record and playback heads - hmmm... hasn't this
already been done?

How much head gap can be tolerated between the tape head and the drum/disk?


Did I hear in here about someone considering hacking a hard drive for
similar purposes? I'd guess at hard drive speeds you'd get sub-ms delays
though :-)

>Speaking of 'novelty electronic music' ckts, I saw one once that
>consisted of three multivibrator transistor pairs, running at different
>frequencies and coupled together. Anyone built it & how did it sound?

I remember this circuit from many years ago and have also lost the circuit.
I remember the article said that it was very sensitive to set up and the
chance of getting a sound that you'd previously liked was almost
impossible - you could never set the controls to *exactly* the same position
and repeat the sound. It almost sounded like chaos theory before I'd ever
heard of it.