想問問SXT-1耳擴的使用者.....
發表於 : 週日 9月 14, 2003 10:04 pm我的SXT-1SE開機後不到30min,便熱得連板面也發燙了 
...不能接觸超過1min,正常嗎?謝謝!
也想問可否改Current source 而達致降溫呢?
...不能接觸超過1min,正常嗎?謝謝!
也想問可否改Current source 而達致降溫呢?
我實測自己的SXT-01是 60 度，一直正常工作
第 1 頁 (共 1 頁)
發表於 : 週日 9月 14, 2003 10:04 pm發表於 : 週一 9月 15, 2003 3:12 pm甲類都是這樣子吧
我實測自己的SXT-01是 60 度，一直正常工作
我實測自己的SXT-01是 60 度，一直正常工作
發表於 : 週一 9月 15, 2003 4:50 pmTux... 有嘗試把機器翻過來嗎？機器上方沒有通氣孔，熱要散掉也很難啊。
發表於 : 週六 9月 27, 2003 1:25 amFrom my experiment result on
circuit I am using is :
http://intell2000at.narod.ru/electronic ... phone.html
I suggest all SXT-1SE/SXT-1 user to change the Current source resistor from 5.6 Ohm 1W to >8 Ohm < 15 Ohm
I chosen 12.1 Ohm, and changing the MOSFET voltage from + - 22V to + - 15V
the case temperature from 63'c to 38'c !!!
Hope this could help all SXT user if they do not wanna the amp to be that hot.
Testing on 32 Ohm Elite 840 and 600 Ohm AKG K240M headphone, no sound degrading. I believe it is save to do that too.
I will try to replace IRF610/510/710 to the IRF540 to see if any improvement on sound quality
Thanks all for helping me to solve the problem.
circuit I am using is :
http://intell2000at.narod.ru/electronic ... phone.html
I suggest all SXT-1SE/SXT-1 user to change the Current source resistor from 5.6 Ohm 1W to >8 Ohm < 15 Ohm
I chosen 12.1 Ohm, and changing the MOSFET voltage from + - 22V to + - 15V
the case temperature from 63'c to 38'c !!!
Hope this could help all SXT user if they do not wanna the amp to be that hot.
Testing on 32 Ohm Elite 840 and 600 Ohm AKG K240M headphone, no sound degrading. I believe it is save to do that too.
I will try to replace IRF610/510/710 to the IRF540 to see if any improvement on sound quality
Thanks all for helping me to solve the problem.
發表於 : 週六 9月 27, 2003 1:26 am狂人 寫:Tux... 有嘗試把機器翻過來嗎？機器上方沒有通氣孔，熱要散掉也很難啊。
I have tired that
seems not much help
unless I remove the cover 
Thx ur suggestion~
