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Mackie Creative Reference CR3 CR4 Reparatur Repair
sheets, insulating washers etc. are needed for both regulators, because the 7912 has its input on the heat sink fin and a ground loop through the 7812 and TDA7265 should be avoided. Viel Spaß beim Reparieren und Hören! / Happy repairing and happy listening!. Links und Referenzen / Links and References. iFixit: youtube: ST TDA7265: ST TJM4558: ST LM224A: ST L7812: ST L7912: