US company RG Dynamics inc produced a range of Robert Grodinsky designed preamplifiers and dynamic processors during the 1980's
RG Dynamics Gallery
RG Dynamics, 4448 West Howard Street, Skokie, Illinois 60076, USA
This website is not affiliated with or sponsored by RG Dynamics. For a list of authorised retailers please contact the company via their website. RG Dynamics is a trademark of that company.
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