Name:    michael kaus
Email:   cnmkaus@charter.net  
Subject: Music man 130 4x10
Thread:  7
Time:    Fri, 8 Feb 2002 12:30:54 UTC

The amps power section is indeed all tube but some MM's had a 12ax7 phase inverter tube which throws people off and makes them think it has a tube pre-amp. The 12ax7 models are standard negative bias voltage amps while the ones without are a form of cathode bias-differant animals. Mike.