You must use matched fets for this circuit to work.
46+ Phase 90 Schematic Background. Power supply stage, input buffer, phase shifting stage, lfo and output mixer stage. The script version of the phase 90 is probably the holy grail of phase shifters and was the first effect is the schematic available i'm trying to trace the audio path for it i know it's exactly the same more or.
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You must use matched fets for this circuit to work. This is the original mxr™ phase 90™ phase shifter (script logo) replica known as p90. We have 18 mxr diagrams, schematics or service manuals to choose from, all free to download!
Mxr phase 90 with script switch.
The circuit is designed around a phase. Bringing back the look and feel of the coveted phase 90 with the original script logo, the mxr phase 90 script reissue demonstrates vintage style with modern sensibilities. A friend of mine gave me a non working mxr phase 90 for repair. A page for anyone who loves the sound of mxr's phase 90 and phase 100!
