Effect profile /Modulation

Maestro PS-1A Phase Shifter

Also catalogued as Maestro Phase Shifter

Explore the documented settings, signal-chain positions and roles of Maestro PS-1A Phase Shifter in dated rigs by George Harrison. Every appearance remains tied to its supporting sources.

Pedalboards: 1
Artists: 1
Archive records: 1

Controls in the archive

Fast speed buttonMedium speed buttonPower switchSlow speed button

How this pedal appears in the archive

These are not generic specifications. Every entry is tied to a dated artist rig and preserves what the sources support: its job in that rig, known settings and its place in the signal path.

How the archive verifies pedalboards

1975Dated coverage

2Cited sources

1975 "Extra Texture" sessions

George Harrison

"Extra Texture" phase path

Role in this rig

Creates the broad ramping phase textures documented on Harrison's mid-seventies Friar Park recordings.

Documented setup

Used during the "Extra Texture" sessions
Exact speed selection undocumented