1977 MXR Dyna Comp Compressor “Bud Box” – Vintage – From the Collection of John Andretta

Offered for sale from the personal collection of the late musician John Andretta, an obscure but respected New York session guitarist who recently passed away. His instruments and gear were well loved, regularly used, and carefully maintained throughout his years as a working musician.

This is a 1977 MXR Dyna Comp compressor in the desirable “Bud Box” enclosure, one of the earliest MXR pedal housings and highly sought after by vintage pedal collectors. The Dyna Comp is one of the most iconic compressors ever made, known for its signature sustain, classic “squash,” and ability to add punch and consistency to your tone.

This unit shows honest cosmetic wear consistent with its age, reflecting its life as a working musician’s pedal, but it remains fully functional and sounds exactly like a great vintage Dyna Comp should.

If you’re looking for a true vintage compressor with classic tone, early MXR construction, and a genuine musical history, this is a fantastic piece to add to your pedalboard or collection.

Feel free to reach out with any questions or to request additional photos.