Why, a Harman Kardon A-300 tuner made circa 1955 in Westbury NY, silly bear!
Entered into evidence as Exhibit #13747 in the case of United States v. Its Knee Jerk Self Loathing and Swallowed Whole Reputation for Poor Craftsmanship. Works like a champ, ready to rock another half century, and coveted by audio nerds who use terms like "soundstage."