Pearl PH-44 Phaser


  • Input
    controls the input level of the effect. At higher gain settings a lot of effects can go into overdrive or distortion.
  • Manual
    sets the position of the effect when the LFO is in the center position or controls the effect when the LFO is switched off
  • Feedback
    sets the amount of effected signal fed back into the effect (for a stronger effect)
  • Depth
    controls the depth/amplitude of the modulation (the size of the range in which the effect sweeps).
  • Slow Speed
    controls the speed/rate of the LFO wave that controls the effect
  • Fast Speed
    controls the speed/rate of the LFO wave that controls the effect
  • Slow/Fast
    switches between the slow and fast modulation speeds


A Pearl brochure

The Phaser creates the sound of rotary speaker by electronically generating the Doppler Effect. Pearl PH-44 is designed to encompass a wide range of keyboard tone colors.

Most recent forum threads


  • Input Impedance
    470 kOhms
  • Output Impedance
    10 kOhms
  • Maximum Input Level
    +4dB @ 0dB=775mV at 440Hz
  • Maximum Output Level
  • Equivalent Input Noise
    less than -100dB (IHF-A)
  • Power Supply
    18V (2x9v battery/AC adaptor)
  • Power Consumption
  • Frequency Response
    Effect off: 20Hz-20KHz, +0/-3dB
    Effect off: 20Hz-10KHz, +0/-3dB (Delay Time Control set at 0)
  • Phase Shift Range
    1440 degrees
  • Modulation Speed
    Slow: 0.03-3Hz
    Fast: 3-18Hz
  • Dimensions
  • Weight
    930 grams (including batteries)


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