Heathkit SA-2040 antenna tuner. Works great.
I cleaned the roller inductor with DeOxit D5 out of habit. All controls work smoothly. Turns counter works great.

See dent in lower left corner on front panel. No dent on the cover though.

Someone replaced the Heathkit balun with a Dentron balun see photo.

Stock SO-239 connectors that alwasy end up rotating and breaking connections have been replaced with the kind that go in with 4 bolts.

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