audiobriefs
9:58in productionCh. 1 · An evolution, not a reboot/ 9:58 · ceiling 15 min
Effects & pedals · Guitars & amps

Boss PH-2 Super Phaser

The PH-2 doesn’t smooth your tone—it grabs it by the throat and spins it twice.

The Boss PH-2 Super Phaser is a discontinued analog guitar stompbox pedal built from 1984 to 2001. It adds a rate knob and two-mode switch to the PH-1 lineage. Mode 1 uses 10-step phasing. Mode 2 uses 12-step phasing. Controls are Rate, Depth, Res, and a 2-way Mode switch. LFO speed ranges from 100 ms to 14 s. Input impedance is 1 Mohm (FET). Residual noise is -80 dBm (IHF-A). Current draw is 20 mA at 9 V DC. Early Incubus used it for its distinctive ‘in-your-face’ phase character—especially in mode 2.

Chapters & takeaways4
  1. 1:00
    An evolution, not a reboot

    It was built to improve on the PH-1 and PH-1R—with a new rate knob and two-mode switch.

  2. 2:34
    Two modes, one switch

    Mode 1 gives 10-step phasing; mode 2 gives 12-step—selected with a physical switch.

  3. 4:20
    What the knobs and specs actually do

    Rate sweeps from 100 ms to 14 s. Input impedance is 1 Mohm. Current draw is 20 mA at 9 V DC.

  4. 5:51
    How quiet it really is

    Its residual noise level is -80 dBm (IHF-A)—measurable, not theoretical.

Worth your time?

Yes. Use the whole thing.

3.5/ 5
What works
  • delivers-a-more-pronounced-in-your-face-phase-character-in-mode-2-than-the-PH-1-or-PH-1R
  • gives-two-distinct-phasing-modes-selected-with-a-physical-switch
  • offers-tactile-rate-control-from-100-ms-to-14-s
What does not
  • tap-tempo
  • MIDI-sync
  • expression-pedal-input
  • true-bypass
Use it if
  • players-who-want-vintage-analog-phasing-with-immediate-physical-control-over-step-count-and-resonance
Skip it if
  • players-needing-silent-switching
  • players-needing-ultra-low-noise
  • players-needing-MIDI-sync
The written brief1 min read

What it is and what it was built for

The Boss PH-2 Super Phaser is a discontinued analog guitar stompbox pedal built from 1984 to 2001. It was designed as an evolution of the PH-1 and PH-1R, adding a rate knob and dual-mode switching for greater tonal flexibility.

How it works, in terms a player would use

It gives players two phasing modes: 10-step (mode 1) and 12-step (mode 2), selected with a physical 2-way switch. Rate sets LFO speed from 100 ms to 14 s. Depth controls sweep intensity. Res adjusts resonance peak sharpness. The FET input accepts guitar-level signals at 1 Mohm impedance.

What it does better than anything else

It delivers a more pronounced, ‘in-your-face’ phase character in mode 2 than the PH-1 or PH-1R—especially at high Res and medium Rate settings—due to the 12-step topology and added rate control.

What it does badly

It offers no expression pedal input. It has no bypass indicator LED. Its residual noise level is -80 dBm (IHF-A), higher than modern low-noise pedals. It cannot sync to external clock sources.

What people made with it

Early Incubus used it for distinctive, swirling guitar textures—particularly in mode 2.

Who should use it, and who should not

Players who want vintage-analog phasing with immediate, physical control over step count and resonance should use it. Players needing silent switching, ultra-low noise, or MIDI sync should not.

Is it worth your time

Yes—if you need aggressive, tactile phasing with mode-switched character and don’t require stereo output, tap tempo, or noise floor below -80 dBm.

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