Repairing an Astatic D-104 microphone

I got this mic at a local hamfest with the intention of putting it on the Central Electronics 10B. The seller said the mic was good but that the amplifier in the base was “disabled.” This is perfect for my use, because I’d rather just use a straight Hi-Z element and use the preamp inside the 10B. Of course, we don’t know what we’re getting into until until we open it up and find out what “disabled” really entails….

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