You will have to wait till tommorow but maybe this will help..
For amplifier support or any questions concerning owner’s manuals or schematics please contact the LOUD Technologies Inc, please contact
technicalsupport@loudtechinc.com.
Technical Support, Service and Parts departments are available Monday-Friday, 8am-4pm Pacific Standard Time
At this time Ampeg does not display schematics online. However, if you wish to obtain a physical copy of product schematics, please contact the LOUD Technologies Inc. Service Center at 1-800-898-3211.