Need MFA Luminescence help

Just purchased the MFA Luminescence B1-C. Unit is running fine except for the random unusually loud transformer hum of the power supply section?????

Any modification, upgrading or retubing recommandations would be greatly appreciated.

Mike in LA
Mike,contact Steve/Terry at Western Reserve Audio/Design.They have worked on a number of these units.Super friendly to deal with:216-521- 0900.
Mike, give Scott Frankland a call. He is the 'F' in 'MFA'. He just did a great job of updating my Magus A. He is in San Jose and the number is 408.926.6731
Thanks everyone.
Talked to Scott, he said the transformer happen to be the old noisy type just needs to be replaced, oh well...$$$$$