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Ph44core

Pearl Phaser PH-44 Core Part

Courtesy/Thanks to: Osamu Hoshuyama

Description: PH-44 is a guitar effector produced by Pearl. I found this circuit on a magazine in the mid 80s.
Q1 and Q2 work as OTA. LPF and HPF are also possible.
State variable filter may be possible.

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Files
ph44core.gif
   Schematics for the Pearl Phaser PH-44 Core part by Osamu HOSHUYAMA
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