![]() I remove the standard cable to the subwoofer and replace it with this cables. You also can see two wires (orange and white). They are not the high price capacitors since I don’t have any intention to pay this upgrade cost more than the price of the MX5021 itself □ I think I will need to drill it someday □ Two first pairs capacitors come from Elna, the last pair comes from Sanyo (Gold version). I have to create a wire extension to fit that. The 10.000 uF is the lug type so can’t fit the small hole on the PCB. Photo above shows the side of the main capacitor. I don’t change the parts on TDA7295 since I believe the subwoofer should be fine with stock parts (to save the cost to). This is quite important since that TDA provide amplification for the satellites (I expect smoother mid-range and treble). I also change the coupling and supply capacitor for the TDA7265. You can see the value, 4700 uF, 2200 uF, and 1000 uF. Well, they come from “well known brand”, Samxon. ![]() Photo above shows the removed main capacitor. ![]() One for driving the both satellite (TDA7265, 2×25 Watt), and one for subwoofer (TDA7295, 80 Watt). ![]() We have two chip for amplifier here, one is TDA7265 and other is TDA7295. We can see two big rectifier, some big capacitors (removed from the board), and some op-amps (all are ST4558C). I opened the Altec MX5021 subwoofer yesterday. Now, it’s time for the electronic parts □ I discussed the mod of MX5021’s satellites. If you haven’t read my previous article, please click here. ![]()
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