Up for sale is an exceptionally clean, collector-grade vintage Boss HM-2 Heavy Metal distortion pedal, manufactured in April 1988 (Serial Batch: 939922).

This specific unit comes from the very first wave of production following the line’s transition to Taiwan in early 1988. As an early 1988 build, it retains the exact same circuit design, Japanese-sourced components, and classic ACA power configuration as the late Made in Japan (MIJ) runs.

Condition Details: Cosmetics: Mint condition. Extremely clean paint, crisp typography, pristine rubber foot-switch pad, intact original black bottom label, and clean internal battery cavity.

Functionality: 100% fully functional. All pots turn smoothly with zero scratchiness, switch engages crisp, and jacks hold tight. Included:

Original vintage Boss box and original paper manual/documentation.

Whether you're looking for the definitive "Swedish Chainsaw" sound (all knobs dime-ed for classic Entombed/Bloodbath style death metal), dialing in heavy shoegaze/ambient textures, or adding a pristine collector piece to your Boss collection, this complete-in-box unit is as good as it gets.

Power Note: This is an original 1980s ACA circuit pedal. It runs on a standard 9V battery, a 12V DC power supply, or a standard 9V DC supply when daisy-chained with other 9V (PSA) pedals.

Ships promptly, fully insured, and carefully packed.