New machines after 2010 can replace the original switching power supply with three layers of filtering.
Use good materials, lead wire silver plating.
L-C-L-C-L-C filter
The board has been tested on the machine. The effect is good. Use to listen to music, IF full, clean sound background, all aspects have greatly improved, especially the use of switching power supply computer out of the music the most obvious shortcomings .. , Hard, not enough strength, resolution is not enough dynamic low .. and so on … have greatly improved oh.
There are hands-on ability to improve this shortcoming. This modification is very simple.
Before you start, prepare 6 types of screwdrivers. When disassembling, be careful to connect the wires.
DC module:
DC 5.5MM * 2.5MM within the negative
Parameters:
Power supply: DC 12V
Supply current: 10A
DC Female head: 5.5mm * 2.5mm
Weight: 0.3KG
1pcs（90 days after receipt of order ）
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