This is a 1960s amplifier setup found in a period publication. The circuit uses a special driver transformer that inverts the phases of the signal to excite the output transistors.
This circuit using programmable unijunction transistors was found in General Electric...
We found this circuit in GE's 1977 transistors manual. Transistors admit equivalents according to the...
This circuit was found in an Electronics World of 1969. Transistors are general-purpose types. It...