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DIY Replacements for Vintage Couplets and Printed Electric Circuits

Starting in the ’50s, they’d figured out how to start miniaturizing components. “Couplets” and “printed electric circuits” started showing up in equipment around then. These components were...

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EICO Stereophonic Integrated Amplifier HF-81 Repair

From the late ’50s, I had this nice example of an EICO HF-81 amplifier come through my shop. These are nice little stereo amplifiers with a built-in phono pre-amp and RIAA equalization and feature...

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