Boss PH-1R Phaser
Boss PH-1R Phaser

PH-1R Phaser, フェイザー from Boss.

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iamqman 08/10/2011

Boss PH-1R Phaser : iamqman のユーザーレビュー (content in English)

"Nice revise!"

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This is one of the most legendary phaser pedals in the world. When Boss set out to start building compact pedal they introduced three new pedals. They has the Boss OD-1, the Boss SP-1, and the pedal the Boss PH-1. Compounding on the success of these pedals launched a marketing campaign that would put Boss into the most successful guitar pedal company in the world. they have remained on top even since its inception. Several pedals like the TS9 and others have gotten a great hold on the market but nothing like Boss. After the success of the PH-1 Boss revised it with adding a resonance control knob and adding the "r" on the end of the name.

This is pedal that is design to phase much like you would hear a Leslie speaker do but much more versatile than a Leslie speaker. This pedal has only two control knobs and those are Rate and Depth. this will control the speed and how much mix will be in the dry tone.



* Controls: Rate, Resonance, Depth
* Connectors: Input, Output, AC Adaptor
* Current Draw: 11 mA (DC 9V)
* Weight: 400 g (.88 lbs)
* Input Impedance: 470kOhm
* Signal/Noise Ratio: Over 90dB (IHF-A)
* Recommended Load Impedance: Over 10kOhm
* LFO Speed: 100 ms ~ 16 s
* Recommended AC Adaptor: ACA Series


The tone of this pedal is quite good. The added resonance control knob added a lot of extra flavor to the tone. The biggest competitor to this pedal back int the day was h MXR Phase 90. That one had only one control knob and was very versatile in its tone.

This pedal has a great sound no matter where you get this thing dialed in. The rate and depth are very easy to control and find a good tone out of. I think both of them in the 11:00 position is the best sounding for what I do. I like a little phaser in some applications but not something that takes over the tone too much. This is nice setting where you can get a good sounding phase effects and still hear the rest of your dry tone in the mix.


These pedals were made form 1980 through 1985. The used market is the only way to go at this point. There are much better phasers now a days so this one is obsolete to me. I wold recommend getting an MXR phaser and that pedal is even easier to dial in than this one.