Early 1940's RCA MI-12240 Audio Amplifier from Aircraft. PP 6L6, 15 ohm secondary. Runs on 12-14 V DC. See all pictures for description, item has typical age related wear & imperfections. This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Amplifiers & Tube Amps".The seller is "circatubes" and is located in this country: US. This item can be shipped worldwide.