PH-1R Phaser

The BOSS PH-1R Phaser is a four-stage analog phaser pedal that was manufactured by the Japanese Roland Corporation from October 1980 to May 1985. It is an updated version of the original PH-1, featuring an additional "Resonance" control to increase tonal variations and provide a wider range of available sounds. The pedal is designed to create a wide array of different tones and offers a lush phase effect.

Key Features:
- 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 "Rate" knob controls the speed of the oscillation, the "Depth" knob controls the amount of effect applied, and the "Resonance" knob controls the amount of signal fed back into the effect. The pedal also features a BOSS treadle footswitch to turn the effect on and off, as well as a red LED "Check" light to indicate when the effect is in use.

The PH-1R Phaser is known for its sturdy construction and streamlined controls, making it a versatile and sought-after phaser pedal for creating unique and expressive guitar tones.