Includes an L-pad or ALPS level control to adjust the tweeter's volume to match the rest of the system. Connection & Usage
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The driver stage, often referred to as the Voltage Amplifier Stage (VAS), is the section of the schematic responsible for increasing the signal voltage to the level required to drive the output transistors. The JBL design incorporates a constant current source in this stage. By referencing the schematic, a technician can see how JBL engineers utilized active current sources rather than simple resistors. This ensures that the driver stage operates in a linear fashion regardless of fluctuations in the power supply or load impedance, resulting in a cleaner, more transparent midrange response. Includes an L-pad or ALPS level control to
A 2-way design that typically accepts an 8 to 16-ohm input and splits the signal for a mid-range driver (low-pass) and a UHF tweeter (high-pass). Wiring & Configuration By referencing the schematic, a technician can see