Upgrade and/or general replacement power transformer for all of the above mentioned amp models. Plate winding 550 or 630V CT @ mADC. Voltage compensated for Tweed Series amps as well as later models. Heavier current capacity (100mA vs. 70mA) provides cooler operation and better regulation. The center tap on the heaters is an additional feature. Paper layer wound like vintage era originals!
Made by Magnetic Components Inc. Right here in Chicago USA....
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