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mr65b

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    Gels for elder Macs

    This is not another blue gel (filter, in factory parlance) thread. I have three units at issue. The Mac 1500 receiver came with a green meter gel. Does anyone know what the correct replacement is? (As an aside, perhaps I should try a blue gel -- the existing, but worn-out, green in not...
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    MR65B Berger capacitor

    I recently re-acquired an MR65B I bought at a rummage sale in the latter 70s for $25. Checking out the elecrolytics, I found a pair of caps between the output tube cathodes and the front-panel volume control. These are 10u at 25v. They are marked as made by Berger, and look nothing like the...
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