The MA-1 Silver Edition

The M-60 MkII.3

The M-60 MkII.3 was built from October of 2003 to December of 2005. Early units had manual bias. Final units featured switchable negative feedback, switchable Class A/AB operation and automatic bias. The meter was used to set DC Offset. Later units also featured most of the internal benefits of the MkIII circuitry except for the VU meter.

Atma-Sphere Mark I Equipment Series. Shown are the MA-2, M-50, MP-1 and Z Music transformer.

Music Line State MLS-1

Music Preamplifier P-2

Novacron/MA-1.5 Amplifier