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About mystuffisold

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  1. I've repaired one of my own MT1000s. 6492-#3 PNP O/Ps are no longer available, so I had to use #2 grade. I replaced all 6 devices (ch2) and made all bias and ODEP adjustments as per the service manual. Everything falls within spec. ( original NPN devices are #2s) My concern is the whether the ODEP sensor S200 should have have been changed to a different grade because of the O/P transistor substitution? I've performed all the QC tests and have been bench testing the amp. All seems to be well. Am I OK with with the change to 6492-#2 in place of the original #3s without replacing any other components? Please advise. Thanks JC