more than i liked.. i started this project with a little gas powered iron too.
hence the messy soldering on the big caps (it was my first mod) i found adding a touch of normal solder to the joint helped it melt. Now ive got a temp-controlled iron and ive found that 370 degrees is enough to work on these boards.. my later adjustments have been much neater.
hence the messy soldering on the big caps (it was my first mod) i found adding a touch of normal solder to the joint helped it melt. Now ive got a temp-controlled iron and ive found that 370 degrees is enough to work on these boards.. my later adjustments have been much neater.
i avoided that since i read that the big capacitors have to be as close to the amp as possible..
Generally this is true but if you noticed there are 6 of them and you have to worry more about the small ones. With long connections your noise level will go up. The big ones you can safely remove from the board completely (or put much smaller ones like 100uF) and put them in the power supply.
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How much heat did it take to melt the lead free solder on the EVM?
500C or 900F will do. 40W soldering iron will do the job.
@emedia, thats not the whole story. If it where like so, they wouldn't have mounted them that close. Most important/Key aspect is their lower ESR in the audio band compared to the MLCC. It's not mainly because the capacitance value but ESR.
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