PETE CORNISH: SS-2, Vero Layout, Modded Buffer, SS-3 Values

PETE CORNISH SS 2 vero layout modded buffer v1 62405f529c66

Like the very lengthy title below suggest, it’s a Pete Cornish SS-2 with mods.   After finishing the SS-3, they’re almost the same, so I thought I would also do a SS-2 layout. Changes Swapped the Cornish buffer for a standard opamp based buffer Ran the reference voltage through the spare opamp Used a quad opamp … Read more

PETE CORNISH: SS-3 Soft Sustain, Vero Layout, Buffer Mod

PETE CORNISH SS 3 vero layout with buffer mod v1 f164d482c0a9

The Pete Cornish SS-3 is one of my favourite overdrives – so I thought I might make another one with a different layout and buffer. Changes Swapped the Cornish buffer for a standard opamp based buffer Ran the reference voltage through the spare opamp Used a quad opamp instead of 2 x single op amps … Read more

EARTHQUAKER DEVICES: Grand Orbiter Phase Machine

EQD Grand Orbiter vero layout V2 29b626b90670

The Grand Orbiter Phase Machine is a four-stage OTA phaser, with options for vibrato or phasing (a bit like a Univibe). Not exactly a small board, but not too much to take on either.  MLC caps might be a good idea for some of the 1uf caps to save space.  Currently unverified.  I have reviewed the … Read more

MUSITRONICS: Mu-Tron Phasor II

MUTRON PHASOR II vero layout V1 56dabb367ea5

A classic phaser from the mid-seventies – the Musitronics Mu-Tron Phasor II.  It has the same six-stage phaser as the Bi-Phase, with less happening in the oscillator section.   This is the hardest layout I have ever done and took some time to finish and check…  including some time wasted after I started using a layout with … Read more

MUSITRONICS: Mu-Tron III

MUSITRONICS Mu Tron III vero layout v2 32223bb582d9

I’ve already built the Micro V, and it’s a really cool-sounding envelope filter, so I thought I might try the Musitronics Mu-Tron III.  It’s generally regarded as THE envelope filter of its day.  As much as I love a bit of fuzz, I really do enjoy sitting in a groove with an envelope filter running….   Note … Read more