The preamps used the then burgeoning solid state "op-amp" integrated circuits embodying traditional Fender preamp time constants and architecture, while the power amps typically featured a Cathode Driven Tube power amp stage, much as were used in the radio broadcast industry in AM Transmitters.
There were a few models with a tube phase splitter in them, but for the most part Music Man amplifiers used the faster responding common Grid, Cathode Coupled drive from a solid state front end that players characterized as "loud as hell". 15 of the 28 pages from 1976 catalogue were dedicated to amplification.
A redesigned guitar bearing the same name followed. CLF Research and Music Man were treated as separate companies, headed by Leo Fender and Tommy Walker, respectively.
Fender made the guitars and basses, while Walker's company made the amplifiers and sold accessories.
by 1973 and in January 1974 the final name, Music Man, appeared.