The address for PSE is below: Professional Systems Engineering, Inc. Incorporated since 1973 9755 Hamilton Road Eden Prairie, MN 55344-3424 TEL (612) 943-1677 FAX (612) 943-8730 Email: [email protected]
All over Audioasylum. Do a search for PSE in the amp/pre-amp section. Supposedly the original owner is helpful. I love my Studio IV amp!
All over Audioasylum. Do a search for PSE in the amp/pre-amp section. Supposedly the original owner is helpful. I love my Studio IV amp!