The JBL SE-408 SE is a power amplifier produced between 1968 and 1972, designed for integration into various JBL loudspeaker enclosures. This model is the chassis-less variant of the SE-400 SE and is tailored specifically to fit into JBL speaker systems, such as the Paragon, Lancer 99, and others. The amplifier utilizes plug-in equalizer boards to customize its output characteristics to match the loudspeaker system it drives. When set for unequalized operation, it functions as a high-performance laboratory standard power amplifier. The SE-408 SE features the JBL T-Circuit, a direct-coupled operational DC amplifier designed for optimal performance.
