Fifty years ago, the August 1966 issue of Popular Electronics carried the plans for this two-tube shortwave receiver. The set featured band switching, and covered the broadcast band through 30 MHz in four bands. Billed as a “real powerhouse,” the set employed a 12AT7 dual triode, which served as RF amplifier and regenerative detector, followed by a 6AK6 audio amplifier which could drive either a speaker or headphones.

The set ran off AC power, and used a power transformer, which rendered it relatively safe.

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