Усилитель "PTERO" на TAS5342 переиграет ваши дорогие брендовые усилки влегкую.

Summary

This video presents a detailed review and assembly guide for a 100-watt amplifier based on the TAZ 5342 chip, suitable for 4-ohm loads with a single-supply voltage ranging from 24V to 32V. The host showcases the amplifier's features, including low distortion levels, balanced input capability, and a switchable carrier frequency between 500 and 800 kHz. Viewers are guided through a budget-friendly power supply modification, component upgrades for reliability, and assembly within a compact casing. The video concludes with performance testing, demonstrating the amplifier's impressive sound quality and efficiency, making it an excellent project for audio enthusiasts looking to experiment or enhance their audio setup on a budget.

Takeaways

• 😀 The video reviews an interesting TDA5342 amplifier board that can output 100W at 4 ohms
• 👍 The board has low distortion and operates on a single 24-32V power supply
• 🔋 The presenter upgrades the cheap power supply for better reliability
• ⚙️ The amplifier board is easy to assemble in 5 minutes
• 📏 Measurements show the amplifier has low noise, distortion and good frequency response
• 🎧 Listening tests confirm the amplifier sounds great with excellent bass
• 🎛 The amplifier can switch between 500Hz and 800Hz carrier frequencies
• 🔊 At maximum volume there is no audible noise or distortion
• 👍🏻 Overall the amplifier performs extremely well given its low cost
• 🤝 The presenter recommends the amplifier for budget builds

Q & A

What kind of amplifier board is being reviewed?

A TDA5342 amplifier board that can output 100 watts at 4 ohms, with 24-32V single supply voltage.

What modifications were made to the power supply?

The voltage was increased from 24V to 28V using a resistor. The input capacitor was also replaced with a higher quality one.

How was the amplifier assembled?

The boards were mounted to the bottom of the enclosure using thermal pads for cooling. Input and output connectors were isolated from the chassis.

What tests were conducted on the amplifier?

Output power, frequency response, noise, distortion, and real-world listening tests.

How much power could the amplifier produce?

Around 80 watts into 4 ohms and 40 watts into 8 ohms.

Did the amplifier get hot during testing?

No, it stayed relatively cool, with temperatures around 40°C at full power.

What were the measurements like?

Very good overall - noise below -100dB, THD below 0.02%, good frequency response.

How did the amplifier sound subjectively?

Very good, with excellent bass and overall sound quality exceeding expectations.

Who is the target customer for this amplifier kit?

Budget-conscious audio enthusiasts and those new to DIY audio wanting an easy, good-performing build.

What other information is provided about the amplifier?

Full details, schematics, and assembly instructions are available on the forum page linked in the video description.