2 Channel Hifi Class Ab Power Amplifier Pcb Symasym5-3 Design. Introducing the SYM5-3 Power Amplifier, an Excellent Choice for Audio Enthusiasts and DIY Hobbyists Seeking High-quality Sound Performance. This Amplifier Circuit is Renowned for Its Ultra-low Distortion and Exceptional Sound Clarity, Making It Ideal for Home Audio Systems and Driving High-power HIFI Speakers over 6.5 Inches. Operating in a High Partial Class A and B Configuration, It Offers a Clean Output with No Background Noise. The SYM5-3 is Built to Provide a Power Output of Up to 200W Per Channel at 2Ω, 150W Per Channel at 4Ω, and 100W Per Channel at 8Ω. It Features a Stable and Reliable Design with Straightforward Assembly, Using Voltage Feedback Suitable for Dedicated HIFI Enthusiasts. Note That This is a Bare PCB Product, Requiring You to Match All Components Yourself. Features: - Class AB Configuration: Ensures High Efficiency with Superb Sound Quality. - Power Output: - 200W + 200W at 2Ω - 150W + 150W at 4Ω - 100W + 100W at 8Ω - Input Voltage: DC +/-35V to +/-45V (Recommended DC +/-40V) - Total Harmonic Distortion (THD): - 0.002% at 1 KHz Full Power - 0.005% at 10 KHz Full Power - Transistor Components: - Power Out Transistor: ON NJW0302/NJW0281 - Drive Tube: Toshiba 2SA1930/2SC5171 - Small Signal Transistors: MPSA18/2N5401/2N5551/BC546 - PCB Dimensions: 138mm X 50mm This Amplifier Provides a Seamless Building Experience with Its Stable Circuit and Minimal Distortion, Making It the Perfect Addition to Any Audio Setup for Superior Sound Output.. Your order tracking code will be sent on shipping and takes up to 5 days to show live information.