Atma-Sphere® Music Systems, Inc. designs and creates amplifiers for audiophiles who seek the ultimate in amplifier design. All our amplifiers feature Balanced Differential Design.
Design is more than just a slogan.
Music Amplifiers and Preamplifiers
OTL vacuum tube amplifiers & preamplifiers, all triode, class A operation.
Harvey Rosenberg reviews the M60 Mark II
Art Dudley reviews the M60 Mark II
Harvey Rosenberg responds to the Art Dudley Review!
The New M-60 Mark II
White Paper: Understanding Basic Circuits
Sound bites arriving soon !!!
St. Paul, MN 55105 USA
last updated: June 24, 1997
©1996, 1997 Atma-Sphere® Music Systems, Inc. All rights reserved.
Electronics for those who prefer music. You'll be hearing more from us.