[sdiy] Echoplex service manual found

[Grant Richter]

Mike Murphy was kind enough to gift me with an original set of Norlin
service manuals.

It included the service manual for the Maestro Echoplex, with full
schematics for EP-1 through EP-4 with azimuth alignment instructions.

I love my Echoplex and thought others could use this data. One great patch
is to feed an Echoplex back to itself through a ring modulator or frequency
shifter.

I was thinking of putting some of the schematics online, but wonder about
legal problems?

Does anyone know the disposition of Norlins assets, like the Maestro line?

Thank you for any info.