12V Power Amplifier Subwoofer using TDA7388 IC
The circuit use TDA7388 as the power amplifier and it upgradeable to TDA7560. For the Active Lowpass filter, I use a NE5532 IC. I design this project
Discrete Power Amplifier Class-D UcD Superlite - Single Layer PCB
Discrete Class-D UcD Superlite because this power amplifier has quite an impressive sound quality, clear sound, and has a wide frequency response,
The Benefits of Multilayer PCBs
A Printed Circuit Board having more than 3 layers of conductive material, normally of copper owing to its high conductivity, arranged over each other
Super OCL Power Amplifier 500W DEF
Super OCL power amplifier with double emitter follower on final transistor it can deliver power output more stability, and this version I have added capacitor decoupling on the final transistor. This amplifier is a wide power supply range minimum power supply voltage 25VDC to 90VDC symmetrical power supply, and minimum current 5Ampere. Output maximum of this amp up to 500W.
5.1 Surround Sound Decoder
DIY 5.1 surround sound decoder (audio 5.1/ Dolby Prologic), this circuit serves to convert analog signals stereo or 2-channel, into 5.1 ch.
Stereo Hybrid Tone Control
This Stereo Hybrid tone control is low distortion, clarity sound, good separation, good bass attack.The circuit Tested with symmetrical supply, the maximum voltage rating is the 12v-0-12v transformer. Use a minimum 500mA Stepdown transformer.
TDA2030 TDA2050 LM1875 2.1 Power Amplifier Stereo + Subwoofer
2.1 Power Amplifier Circuit (Stereo + Subwoofer Amplifier) Using IC Audio Amplifier TDA2030/ TDA2050/ LM1875, see circuit diagram and PCB Layout here