Vintage concept 2.0 stereo receiver in good working condition.The Concept 2.0 is nearly as great an engineering achievement as the magnificent 16.5. It puts the full Concept audio quality into a popular price range. There have been no compromises with the sound, and a surprising amount of control flexibility is retained.The 2.0 has a pair of tape monitor circuits and full dubbing capability, volume and tone controls with multiple detents for precise adjustments, a loudness contour, outputs for two sets of speakers and headphones, and more.It also incorporates the sophisticated lifier protection circuitry of the larger Concept models.