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m-171a transformer

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    McIntosh MC60 Circuit Differences / Restoration

    I am recapping a pair of MC60 amps for a friend and the serial numbers are 3XXX and 7XXX there are lots of differences between these two amps. The board layout is completely different and the bias section is different as well. The first amp I replaced the selenium rectifier with silicon and...
    • Hi-FiGuy
    • Thread
    • bias m-171a transformer mc60 mcintosh recapping restoration
    • Replies: 2
    • Forum: McIntosh Audio
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