This what i found regarding sansui on the web:
FOR TRUE AUDIOPHILE
One of the finest mid-range amps ever made.
Less-powerful version of AU-7900.
Will eat modern Cambridge Audio for breakfast.
People who have them in working condition normally do not sell them, so good they are. Both AU-7700 and AU-7900 will outperform any vintage Pioneer beast except SPEC and Series 20.
One may ask - How does it compare to things like AU-2200, AU-4400 , AU-517, etc..? The answer is - there's no comparison. I owned all of those machines. Budget AU-xx00 Sansui series, including AU-4400, are totally different in build quality and sound. One look inside and in rear will tell the truth. AU-517 and AU-717 are powerful amps, but lack beauty and sound bland and unrefined compared to both AU-7700 and AU-7900.
AU-7700 is also superior to Marantz 1090, 1060B and Sansui G-6000.
AU-7700 is known for its use in professional recording studios, yes, even today - makes for a great monitoring amp - very precise yet musical!
Notable features:
- Runs in class A at normal listening levels (up to 2 Watts output)
- Built like separates
- Revolutionary for 70's 3-level purist's internal layout with very little wiring, to reduce signal loss
- Large professional grade power transformer
- Total of 8 heavy duty metal case Sanken 2SA808A/2SC1619A outputs for impressive dynamic headroom and strain-free performance
- World voltage:
http://sansui1944.websitetoolbox....