TDA7265 / TDA7292 2.1 Channel Audio Amplifier PCB Board (30 W + 30 W + 60 W, Bare PCB)
This PCB is designed for building a 2.1 channel audio amplifier with stereo and subwoofer output using a single-supply DC input. Output performance depends on components used and assembly quality.
Output Power:
Stereo output: up to 30 W + 30 W
Subwoofer output: up to 60 W
Actual output depends on supply voltage, load, and heat dissipation
Working Voltage:
Single supply: 12 V to 36 V DC
Can be powered using battery or SMPS
Performance:
Total Harmonic Distortion (THD): less than 0.1% (depends on components and operating conditions)
IC Compatibility:
TDA7265, TDA7292
Subwoofer Section:
Low-pass filter using NE5532, JRC4558, or TL072 op-amp
Speaker Compatibility:
Supports 4 Ω and 8 Ω speaker loads
Board Specifications:
PCB material: Glass Epoxy FR4, Grade A
PCB dimensions: 5.2 inch × 2.5 inch
Construction:
Bare PCB (components not included)
Designed for through-hole components
Configuration:
Single-supply amplifier design
Requires proper heat sinking and component selection
Final performance depends on build quality and power supply
