1970s Practical Electronics - P.E. Sound Synthesizer

via this auction & this auction

Top: "This listing is for three issues of Practical Electronics magazine from February 1973, July 1973 and Sept 1973. They contain parts one, six, & eight respectively of this fairly extensive project by designer G.D. Shaw. Ultimately it should be possible to source the missing / follow-on issues from other ebay listings.

Part 1 contains the introduction, specification, block diagram and pictures of the prototype / finished product.

Part 6 details the tone control, and gives details on setting up an experimental sound studio.

Part 8 covers the envelope shaper (a strip-board overlay is included)."

Bottom: "This listing is for two issues of Practical Electronics magazine from November / December 1974. They contain the first two articles of the series on the PE Minisonic Synth by designer G.D. Shaw. It should be possible to source the follow-on issues from other ebay listings.

Article 1 contains the introduction, specification, block diagram and housing design, while article 2 details the V.C.O, V.C.F, and envelope shaper / V.C.A"