Class D amplifier + Usher S520 的可能 - 喇叭音響
By Ophelia
at 2010-10-17T21:57
at 2010-10-17T21:57
Table of Contents
最近不小心踏入 AV 的深淵,主要是當作房間內電腦桌上聆聽設備,
平常聽的音樂從
Rock; Linkin Park,
民歌、老歌,例:蔡琴 ,
流行音樂,
也玩 FPS 射擊遊戲: CS, DoD
也常看各類電影。
典型的雜食性動物。
主要想要走 2.1 ,想先搞定 被動 2.0 + class D power amplifier ,
等野了再購入主動 .1 (分頻似乎有點難搞)
至於 pre-amplifier 再說吧。
試聽後,就鎖定了 Usher S520 NT$4800 。
那麼決定 amplifier 的時候到了,基於電源效率問題,
所以鎖定 Class D 作為 power amplifier 。
這幾天翻了幾家做 class d amplifier 的晶片廠:
NXP (從 2006 與 Philips 分家 by wiki)
Ti (德州儀器)
ST (STMicroelectronics, 意法)
各家晶片列表:
NXP
http://www.nxp.com/#/homepage/cb=[t=p,p=/71076/71458/50219]|pp=[t=pfp,i=50219]
http://ppt.cc/f1RW
Ti
http://focus.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=923&uiTemplateId=NODE_STRY_PGE_T
http://ppt.cc/aiCj
ST
http://www.st.com/stonline/stappl/st/com/selector/index.html#querycriteria=RNP139=983
http://ppt.cc/FntD
挑了幾個較大功率的晶片:
NXP
TDA8950TH 150W
Ti
TAS5630 600W (無 Stereo ,那不是要 2 顆?)
TAS5613 150W (Stereo)
ST
TDA7492 50W
確定好晶片,開始找商品,結果翻來翻去台灣的賣場都沒有,對岸倒是有幾台:
1. TDA8950TH D類數字功放 高保真 100W+100W
http://item.taobao.com/item.htm?id=7064419993
NXP
2. TDA8950TH(170W+170W),CLASS-D數字功放,開關電源,功放板
http://item.taobao.com/item.htm?id=3360950174
NXP
這個其實台灣有一個在賣,不過他說沒貨 = ="
3. 新款TDA7492---50w大功率數字功放,(是TA2021,TA2024)大功率版本
http://item.taobao.com/item.htm?id=4148293182
ST
4. 300W Hi-Fi大功率桌面型數字功放TAS5630
http://item.taobao.com/item.htm?id=4513158601
Ti
最感興趣的是 4. 不知各位看官有什麼意見嗎?
--
平常聽的音樂從
Rock; Linkin Park,
民歌、老歌,例:蔡琴 ,
流行音樂,
也玩 FPS 射擊遊戲: CS, DoD
也常看各類電影。
典型的雜食性動物。
主要想要走 2.1 ,想先搞定 被動 2.0 + class D power amplifier ,
等野了再購入主動 .1 (分頻似乎有點難搞)
至於 pre-amplifier 再說吧。
試聽後,就鎖定了 Usher S520 NT$4800 。
那麼決定 amplifier 的時候到了,基於電源效率問題,
所以鎖定 Class D 作為 power amplifier 。
這幾天翻了幾家做 class d amplifier 的晶片廠:
NXP (從 2006 與 Philips 分家 by wiki)
Ti (德州儀器)
ST (STMicroelectronics, 意法)
各家晶片列表:
NXP
http://www.nxp.com/#/homepage/cb=[t=p,p=/71076/71458/50219]|pp=[t=pfp,i=50219]
http://ppt.cc/f1RW
Ti
http://focus.ti.com/paramsearch/docs/parametricsearch.tsp?family=analog&familyId=923&uiTemplateId=NODE_STRY_PGE_T
http://ppt.cc/aiCj
ST
http://www.st.com/stonline/stappl/st/com/selector/index.html#querycriteria=RNP139=983
http://ppt.cc/FntD
挑了幾個較大功率的晶片:
NXP
TDA8950TH 150W
Ti
TAS5630 600W (無 Stereo ,那不是要 2 顆?)
TAS5613 150W (Stereo)
ST
TDA7492 50W
確定好晶片,開始找商品,結果翻來翻去台灣的賣場都沒有,對岸倒是有幾台:
1. TDA8950TH D類數字功放 高保真 100W+100W
http://item.taobao.com/item.htm?id=7064419993
NXP
2. TDA8950TH(170W+170W),CLASS-D數字功放,開關電源,功放板
http://item.taobao.com/item.htm?id=3360950174
NXP
這個其實台灣有一個在賣,不過他說沒貨 = ="
3. 新款TDA7492---50w大功率數字功放,(是TA2021,TA2024)大功率版本
http://item.taobao.com/item.htm?id=4148293182
ST
4. 300W Hi-Fi大功率桌面型數字功放TAS5630
http://item.taobao.com/item.htm?id=4513158601
Ti
最感興趣的是 4. 不知各位看官有什麼意見嗎?
--
Tags:
喇叭音響
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