Since the company’s founding in 1980, ASR Audiosystems Friedrich Schaefer has attained a near mythic and enviable reputation for astonishing musicality in the world of High-End audio. ASR’s aim in all their products, which include two phonostages, the ASR Basis / Basis Exclusive and the ASR Mini Basis/Mini Basis Exclusive, and two “integrated” amplifiers, the Emitter I / Emitter I Exclusive, and Emitter II / Emitter II Exclusive, is to combine the harmony and musicality of tubes with the accuracy and sovereign power distribution of modern transistor amplifiers. They have succeeded beyond any reasonable expectation in doing exactly that.

The core of the ASR line are its two “integrated” amplifiers, the Emitter I and Emitter II, both of which can be had in an “Exclusive” version which, among many other improvements, adds an extra battery operated power supply which completely frees these components from the adverse affect of using alternating current from your wall outlet. “Integrated” in appearance only, ASR amplifiers are actually direct coupled amplifiers with volume control and input selector.In fact the path between input and power section on the ASR is only a few millimeters of silver wire! Less wire more sound. True audiophile products, the Emitter I and II sacrifice nothing for performance, so be prepared for using between one to three sizable outboard power supplies, which are essential to achieve the sense of limitless power and ...http://www.soundbysinger.com/singerfall2009/index.html