Here's the magnet link:

magnet:?xt=urn:btih:600efecbcd0e270661c3f4ca0604b03a3b4adabd&dn=the-gbp-25-000-pre-amp-that-went-wrong-tom-evans-mastergroove-sr-mk-iii-rjbp-fsfzi-i&tr=http%3A%2F%2Fbt1.archive.org%3A6969%2Fannounce&tr=http%3A%2F%2Fbt2.archive.org%3A6969%2Fannounce&ws=https%3A%2F%2Farchive.org%2Fdownload%2F&ws=http%3A%2F%2Fia601500.us.archive.org%2F17%2Fitems%2F&ws=http%3A%2F%2Fia801500.us.archive.org%2F17%2Fitems%2F