TDA7293 vs TDA7294 Audio Power Amplifier Project

This is an audio power amplifier project using the TDA7294 and TDA7293 ICs that I will try to work on both. Both ICs are almost the same even very similar scheme can be used in a series of stereos. And in this post, I use one PCB stereo, where on the left side IC using TDA7293 IC and right side using ICTDA7294. Previously I will share the circuit scheme of both IC Power amplifier below with the required components.

Schematic Diagram Monolithic Power Amplifier

Component List

Resistor

R1=22K

R2=22K

R3=680R

R4=10K

R5=22K

R6=1K

Capacitor

C1=1N

C2=22uF/50V

C3=22uF/50V

C4=22uF/50V
C5=22uF

C6=22uF

C7=100N

C8=100N

C9=1000uF/50V

C10=1000uF/50V

LED

D1=RED LED Clip Detector for TDA7293

Connector

J1=Audio Input

J2=Output Speaker 

J3=Power Supply 1:+25VDC 2:GND 3:-25VDC

Integrated Circuit

IC1= TDA7294 / TDA7293

PCB Layout Design

TDA7294 & TDA7293

You can buy both IC at UTSOURCE by visit this link: Buy TDA7294 & Buy TDA7293


TDA7293 VS TDA7294 Specification
TDA7293

1. Multipower BCD technology
2. Very high operating voltage range (±50 V)
3. DMOS power stage
4. High output power (100 W into 8 Ω @ THD =10%, with VS = ±40 V)
5. Muting and stand-by functions
6. No switch on/off noise
7. Very low distortion
8. Very low noise 
9. Short-circuit protected (with no input signal applied) 
10. Thermal shutdown
11. Clip detector
12. Modularity (several devices can easily be connected in parallel to drive very low impedances)

TDA7294

1. Very High Operating Voltage Range (±40V)
2. DMOS Power Stage High Output Power up to 100W Music Power
3. Muting/Standby Functions 
4. No Switch ON/OFF Noise
5. No Boucherot Cells
6. Very Low Distortion
7. Very Low Noise
8. Short Circuit Protection
9. Thermal Shutdown

Some components needed to make the project amplifier TDA7293 vs. TDA7294.

This is the power amplifier project that was so ready to do testing of the sound produced. Do not miss to watch the video from this power amplifier at the bottom of the post, and do not forget to subscribe my youtube video channel.

Assembling TDA7293 & TDA7294 Power Amplifier [VIDEO]

VIDEO Test TDA7294 TDA7293 with Subwoofer Speaker 12 Inch

VIDEO TEST TDA7294 with 8 Inch 2Ohm Subwoofer Speaker 200Watt

In the video test I use 25V power supply with 10 Amperage  voltage current using Switching Mode Power Supply.