hk-chaos兄:
感謝您提供那麼多的修改知識給我,小弟想請問一下,小弟有一張卡是SB DE 5.1卡號是SB0060,應該是SB DE5.1的第一代,小弟看了hk-chaos兄的大作好像是0100的,好像有不一樣的地方,可以指導一下小弟哪裡是交連,哪裡是電壓電容和OPA,以及可以改哪些地方嗎??謝謝!!
玩SBLive 最終極之---換心 --
版主: DearHoney
hk-chaos兄:
真不好意思,這麼晚回應,因為小弟找不到數位相機說,所以用掃描器掃了幾張圖,麻煩hk-chaos兄幫幫忙了,謝謝您!!
網址:http://tw.photo.yahoo.com/nagato15/ab4/
真不好意思,這麼晚回應,因為小弟找不到數位相機說,所以用掃描器掃了幾張圖,麻煩hk-chaos兄幫幫忙了,謝謝您!!
網址:http://tw.photo.yahoo.com/nagato15/ab4/
- BooBooBird
- 神人
- 文章: 1424
- 註冊時間: 2001-12-11 08:00
- 來自: 不知有漢 無論魏晉
濾波電容我有換的大一點過,感覺還不錯。不過,就Viber128來說,改交連比較明顯。hk-chaos兄有提到,交連電容不用那麼大的。我想你方便為原則好了。BooBooBird 寫:Vibra128 在 7805 旁邊的四顆是 C41 C28 C33 和 C40 (C43在交連C44旁邊),電源是不是就這四顆?hk-chaos 寫:閣下可先換交連,變化較明顯,然後.V- C41, C28 v+ C43, C33,
其中又以C28, C33, 較顯著, ....也可換C26,C22是0.1uf的....一試........
此外交連可以用 philips 013 或 linjunan 兄推薦的 無極性,那麼 V+ V- 那四顆是否都改成 philips 136 即可?
至於 C26, C22是SMD的,我可拿它沒辦法啊...
BBB兄改上癮啦???
AD823
I suggest ppl stop from changing their sound blaster Live!/Audigy1/2 to OPA2132U. :eek:
From my real experience, in my diy headphone preamp, the OPA2132U start clipping when the voltage is at about 6V(+3V..-3V)
, however, these sound blaster live card just can provide 5V, in which , if no clipping , at least OPA2132U would never have much better quality.
There, I would suggest ppl to change Analog AD823. In my experiment, the AD823 has more "Bass" area which the OPA2132 even at 20V would hide. And AD823 works great even at 3V, which is more suitable for sound blaster Live! /Audigy series , I have tested on my friend's Live! Value 1 edition. Later I would post the picture of the change online. Though, if any ppl get external power supply, I would suggest them to feed with 30V(+15V..-15V) and change the op-amp to OPA627.
From my real experience, in my diy headphone preamp, the OPA2132U start clipping when the voltage is at about 6V(+3V..-3V)
, however, these sound blaster live card just can provide 5V, in which , if no clipping , at least OPA2132U would never have much better quality.
There, I would suggest ppl to change Analog AD823. In my experiment, the AD823 has more "Bass" area which the OPA2132 even at 20V would hide. And AD823 works great even at 3V, which is more suitable for sound blaster Live! /Audigy series , I have tested on my friend's Live! Value 1 edition. Later I would post the picture of the change online. Though, if any ppl get external power supply, I would suggest them to feed with 30V(+15V..-15V) and change the op-amp to OPA627.
銅泊選擇的差別...凹凸不平的銅泊.相對的表面積較大.又因凹凸不平.使得幅射的再反射率降低.所以吸收的能量也較大.相對下地點(接地)的考量也非常重要...
通常.我們仍以光滑面的銅泊(較厚)為主.再運用日本TDK的"三合板"設計.去吸收不同的頻段的幅射.並消耗其能量再下地...
高級.用法上是在銅泊噴上一層霧面的吸收質.(如.隱形轟炸機的機體)
負載端的類比電源...請先確定"卡"上的穩壓IC輸出是否給OP之類等...元件
再改善為較佳的供電方式.而將其負載端的cap改大.會改善低頻的輸出(也有人說是補低頻不足)
昨天.小弟被一支SONY-E888給嚇到....才知道啥叫作日本技術及銷售學.原來為了市場而犧牲原優良本体.被還原的E888無論空間音場及定位.還可以調音喔.真是一絕...當場感到自己的渺小....往後我這過客還是多多潛水.跟著前輩們多多交流學習....
最後.我要感謝各位參加改卡大會的大大們.因為各位的時間都沒有交集.所以只好作罷...再次感謝各位的參與...(要找我.就發訊息給我吧)
通常.我們仍以光滑面的銅泊(較厚)為主.再運用日本TDK的"三合板"設計.去吸收不同的頻段的幅射.並消耗其能量再下地...
高級.用法上是在銅泊噴上一層霧面的吸收質.(如.隱形轟炸機的機體)
負載端的類比電源...請先確定"卡"上的穩壓IC輸出是否給OP之類等...元件
再改善為較佳的供電方式.而將其負載端的cap改大.會改善低頻的輸出(也有人說是補低頻不足)
昨天.小弟被一支SONY-E888給嚇到....才知道啥叫作日本技術及銷售學.原來為了市場而犧牲原優良本体.被還原的E888無論空間音場及定位.還可以調音喔.真是一絕...當場感到自己的渺小....往後我這過客還是多多潛水.跟著前輩們多多交流學習....
最後.我要感謝各位參加改卡大會的大大們.因為各位的時間都沒有交集.所以只好作罷...再次感謝各位的參與...(要找我.就發訊息給我吧)