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Ibanez PT-900 Phase Tone

produced 1974-1976

This is Ibanez' first guitar effect pedal which was sold officially and internationally. The Phase Tone is a MXR Phase 90 knock-off and like the MXR the PT-900 has a slightly distorted sound with humbucking pickups. The second issue (inscription "Phase Tone" below Ibanez) sports a modified circuit with less distortion. The PT-900 was available through different brand names like Greco, Pax and Foot System.

produced: 1974 - 1976
list price 1974: 149 DM / 1976: 155 DM
availability: rare
collectibility: high

re-issued: no

Ibanez PT-900 Phase Tone manual
PDF-Dokument [1.3 MB]
Ibanez PT-900 Phase Tone schematic
GIF-Datei [70.5 KB]

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09/27/2020: ToneHome is looking for an Ibanez CS-505 narrow box first issue with flying fingers side graphic. Any hint is highly appreciated. Other than that we're looking for an Ibanez AD3000 Professional Analog Delay & Multi Flanger and an Ibanez OD-850 narrow box (v2-v5) either boxed or just the empty original box. Please submit your offers or leads here: e-mail

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