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Posts by khanhhoa1912

pls help..............................
hi, i just found an old inear stuff, philips SHN2500, in a box left in my storeroom. It still works well but i see that It doest have portability with a small size amplifier sticking with the cable. I want to separate the amplifier by taking out the plug and headfone wires and solder some female plugs onto then put the board into a new box. but the electric board looks like below with the presence of Left, LS, RM+ Right, RS, LM+   My questions are: - do LS,...
  but for 1 driver, there re 2 wires out + and - label, which one is considered the signal wire to be added resistors ??
yea...the result now is 60 ohms.....haha..my drivers have not gone wrong yet........................
yes i did bro, using FLUKE 117 to measure numbers............both sides are 32 ohms so what does it say ???
  hi bro......the value of left driver was shown at 32 ohms, same as right driver value of 32 ohms..... can I conclude that the left driver does not have any problem ???
  hi.... been searching but seen now repose of how to make a DIY piece of impedane adapter 100 Ohm....plz give me some instruction
thx bro....any further recommendation plz.....
1.hi, just as a new DIYer, I want  my new porta pro to be improved in sound quality by adding series of 75 Ohm high quality resistors but facing several questions :   _ how many resistors should i add in ( using ipod touch and ipod video to play ) ? _ how should i solder those resistors to both drivers ? _ what method used to stop leaking sound from headphone as i feel so uncomfortable when playing at maximum volume during travelling ? ( am i right that adding a...
thx bro.....finally done after 3 hours........never soldered b4,great result...
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