This balance or balance circuit with phase inversion was found in documentation from the 90s. Transistors can be low noise equivalents like BC549.
This charger was found in an old Motorola manual using an SCR from this company, which, however, can...
This circuit visually indicates that a high voltage is present in an outlet or other point. The...
This simple circuit of effects is interspersed between the instrument and the amplifier. It is...