![]() The TDA7294 is very cheap, but cannot use for paralleled mode, and no clipping led output. The official datasheet contains all modes of TDA729x circuits. The last 4th module is the speaker protection, must be placed to the middle of stereo configuration between left and right channels. The single, bridged, and paralleled amplifier modules are not same, one for the first and the most important “main” module, one for bridge connection, and one for parallel connection what can be used for both main and bridged modules. The modules can be connected with 15 pin connectors instead of wires. Paralleled simple or bridged amplifier, but with 2 paralleled module Paralleled amplifier with 2 modules / channelĬombined bridged and paralleled with 4 modules / channel Single amplifier with only one module with 1 TDA7293 or TDA7294 / channelīridged amplifier with 2 modules / channel The 4th module is the speaker protection. ![]() Three several modules required for this project if bridged and paralleled modes required. The final amplifier have output power between 70W and 300W for 4 and 8 ohm speakers. I finished the project of the most simplest and cheaper modular instrument amplifier.
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