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12AX7WBC Ruby Standard Grade
Too hot for the sleeves
This kit is only for Manley JUMBO SHRIMP's with the serial number MSPR352 and up
Over three months of prototyping in the Manley Magnetics department resulted in a brand new output transformer design
The Main Outputs also used cathode followers for the output drivers
Mastering Massive Passive Retube Kit Version A Iron 12AX7WBC Ruby Standard GradeThis kit is only for Manley MASTERING MASSIVE PASSIVE's with the serial number falling between MMMSMP000 MMMSMP870. Includes (2x) 5814 or 12AU7 tubes for input, and (4x) 6414 or 12BH7 tubes for driver output. Be aware that some tube brands are subject to change over time and may not match the pictures shown.