ATP3 configured the IC to work both in single ended and bridge, 2 channel in single ended configuration for powering satellite speakers and 1 bridge configuration for powering the subwoofer. This amplifier IC can be configured to work either in dual bridge or quad single ended amplifier. The heart of this amplifier is quad power amplifier TDA7337 integrated circuit (IC) from SGS-Thomson. Volume, bass, treble control and right speaker is connected to amplifier using 7pin mini-DIN connector.
Left satellite speaker is connected to amplifier using RCA connector.
Input signal is connected to amplifier using 3.5mm stereo connector. I opened up the ATP3 subwoofer and found that amplifier circuit is located inside subwoofer enclosure. It excels in classical and techno but isn''t the best for blasting music.In this project, I want to replace ATP3’s original satellite speakers with my Selenium surround speakers. This system is great for games and listening to mp3s. Like the mid drivers, the subwoofer is of the downfiring variety which(to my understanding) means it is capable of more volume and feedback with less power. This sub puts out great bass for a PC setup. The subwoofer is quite large which is good. The satellites have a slim profile because the 3 inch mid drivers are downfiring so the speakers look like an overturned wine glass. Even though these speakers may seem weak they are more then enough for the typical PC setup. These speakers only put out fair power with the 6.5 inch having 18 watts and the two satellites having 6 watts each. Although these speakers are listed under home theater speakers, I would not bother with them in a home theater setup. I am a high schoold student who wanted some decent speakers for my PC since I was getting tired of lugging mini-system around. I have had these speakers for nearly a year now.
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