±12 V / ±15 V and 5 V Regulated Power Supply PCB Board (Compact, Bare PCB)This PCB is designed for building a regulated DC power supply providing 5 V, 12 V / 15 V, and −12 V / −15 V outputs. Output performance depends on components used and assembly quality.Output Voltages: 5 V DC 12 V or 15 V DC−12 V or −15 V DCOutput current depends on regulator selection and heat dissipationWorking Voltage:Input: 12-0-12 VAC or 15-0-15 VAC, 1 A to 2 A (step-down transformer recommended)Compatible Regulators:L7805 ( 5 V)L7812 / L7912 (±12 V)L7815 / L7915 (±15 V)Connectors:2 × 2-pin JST / Relimate connectors for 5 V output1 × 2-pin JST / Relimate connector for 12 V / 15 V output2 × 3-pin JST / Relimate connectors for ±12 V / ±15 V output1 × 3-pin screw terminal for ±12 V / ±15 V output1 × 3-pin screw terminal for transformer inputFeatures:Supports connection of up to 6 external boardsDesigned for low noise and low ripple (depends on component selection and layout)Board Specifications:Compact PCB layout for enclosure integrationConstruction:Bare PCB (components not included)Designed for through-hole componentsComponents are commonly availableConfiguration:Designed for center-tapped transformer input for dual DC rail generationOutput voltages depend on installed regulators and componentsFinal performance depends on assembly quality and heat managementIntended Use:Power supply for preamplifier circuitsBass and treble control boardsSubwoofer filter and active crossover circuitsGeneral-purpose regulated supply for audio and DIY electronics projects