Owner`s manual

page 2
Welcome and thanks for purchasing the Grace Design m502 optical compressor. We build all of
our products to be completely reliable and easy to use, so you can concentrate on making great
recordings. While you will nd the m502 is completely straightforward to use, we do ask that you
spend a little time reading this manual to help avoid any common user diculties.
In the event that you do encounter any technical diculties with this or any of our products, feel free
to call us at 303-443-7454. Our oce hours are 9:00 to 5:00, Monday through Friday, MST, or you may
e-mail any technical questions to: [e-mail]. Also, please check out our web site for
complete product information, owner’s manuals and technical documents.
Grace Design has been building audiophile quality products for the recording industry for over
18 years. The technology in the m502 is the result of extensive listening, eld-testing and careful
renement. Your m502 represents a combination of absolutely pristine audio performance, robust
mechanical construction and complete reliability at a reasonable price.
We sincerely hope our products help you achieve a new level of excellence in your work!
- The Grace Design Team
Contents
Important Safety Information 3
Safety Marking Symbols 3
Features 4
Front Panel Controls / Features 4
Installing and Connecting 5
Operation 6
Diagrams 9
Specications (Preliminary) 11
Warranty 12
Manual Revisions 13