about LS3/5A 的三五事 | 後記. 高音單體T27

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;"> 關於高音單體T27

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;"> 突然靈機一動來比較看看T27是不是跟官方公布的一樣，於是拿了Harbeth來測試

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">首先看看KEF官方給的T27datasheet

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">然後看一下HABETH量測

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">▲harbeth T27，fs在1.26khz，和官方data一致

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">我們看到原廠data給的Q值，Qms:4 ; Qes:1.6 ; Qts:1.1，是一個欠阻尼，屬於震盪系統的設計

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">▲KEF官方data

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">稍微計算一下harbeth

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">harbeth的T27經過幾十年的時間還是接近官方data的 😳 😳 😳

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;"> 換個角度思考來說，這個單體可能老化的問題並不嚴重 ( <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(51, 51, 51); display:inline !important; float:none; font-family:helvetica neue,helvetica,arial,微軟正黑體,微软雅黑,メイリオ,맑은 고딕,sans-serif; font-size:14px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">🤔 嗎?)

<hr style="color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;"> <p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">10/25 加碼 Falcon 15歐

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">首先我們看看Falcon的諧振點，也是落在1.2k±200hz的範圍

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">我們再看向其Q值

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial;">可以發現到Falcon相對和KEF的data有一定程度的落差 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(51, 51, 51); display:inline !important; float:none; font-family:helvetica neue,helvetica,arial,微軟正黑體,微软雅黑,メイリオ,맑은 고딕,sans-serif; font-size:14px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">🤔 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(51, 51, 51); display:inline !important; float:none; font-family:helvetica neue,helvetica,arial,微軟正黑體,微软雅黑,メイリオ,맑은 고딕,sans-serif; font-size:14px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">🤔 <span style="-webkit-text-stroke-width:0px; background-color:rgb(255, 255, 255); color:rgb(51, 51, 51); display:inline !important; float:none; font-family:helvetica neue,helvetica,arial,微軟正黑體,微软雅黑,メイリオ,맑은 고딕,sans-serif; font-size:14px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; orphans:2; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; white-space:normal; widows:2; word-spacing:0px">🤔

<p style="margin: 0px 0px 1em; padding: 0px; color: rgb(102, 102, 102); font-family: Helvetica, Arial, "LiHei Pro", PMingLiU, sans-serif; font-size: 13px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; text-align: right;">2020/11/02 By 你好嗎

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