Boss PH-1R Phaser – MIJ Japan – October 1983 – Very Clean

Made in Japan Boss PH-1R from October 1983 (black label, serial in battery compartment). Early compact-series phaser with the added Resonance control, setting it apart from the original PH-1.

Details:

• Model: PH-1R Phaser

• Made in Japan (black label, “Products of Roland”)

• Serial: October 1983

• ACA power spec

• Controls: Rate / Depth / Resonance

• Buffered bypass

Condition:

Fully functional

• Very, very good condition for age

• Minimal cosmetic wear

• Original knobs, label, and hardware intact

• Internals appear original

Notes:

• Four-stage analog phaser circuit  

• “Resonance” control allows adjustable feedback and more pronounced swirl  

• Known for warm, smooth, and three-dimensional modulation compared to later models  

• Produced in Japan early–mid 1980s (approx. 1980–1985 run)  

Includes:

• Pedal only (no box)