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AVT2671 A
ID: 190621
AVT2671 A is a PCB for building an amplifier based on the TDA7294 chip, equipped with mute function, active cooling, and the possibility of integration with an external controller. Designed for audio applications, DIY constructions, and electroacoustic experiments.
Description
Printed circuit board designed for building an audio amplifier with the TDA7294 chip, operating in the manufacturer’s standard configuration. The module provides MUTE and STANDBY outputs, which help reduce sound disturbances during power on and off. An additional CTRL input enables cooperation with an external delayed-start controller.
The cooling solution is based on a small computer heatsink with a fan, powered by two motors whose rotational speed depends on the output signal level. The project is aimed at constructors, audio hobbyists, and those involved in building and modifying electroacoustic equipment.
Properties
- Integrated circuit: TDA7294
- Peak output power: <100 W
- Usable output power: 80 W (4 Ω, ±30 V) / 50 W (8 Ω, ±30 V)
- Harmonic distortion: <0.01%
- Slew rate: 10 V/μs
- Power supply: up to ±40 V
- Inputs: MUTE, STANDBY, CTRL
- Cooling: active – heatsink with fan
- Application: class AB audio amplifiers
Set includes
- Printed circuit board
- Documentation
190621
Manufacturer AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
Responsible person AVT SPV Sp. z o.o. Leszczynowa 11 03-197 Warszawa Poland zamowienia@avt.pl
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AVT2671 A is a PCB for building an amplifier based on the TDA7294 chip, equipped with mute function, active cooling, and the possibility of integration with an external controller. Designed for audio applications, DIY constructions, and electroacoustic experiments.