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| [#1] Lundahl MC 升壓牛 請問有冇師兄玩Lundahl MC 升壓牛, 啲聲OK 嗎? 我想買Lundahl LL1933 moving coil step-up transformer 1+1 : 8+8. |
cshingyau 正式會員116.xxx.xxx.29 |
2020-08-27 16:08 | |
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| [#2] Lundahl MC 升壓牛 師兄，我用過十多款MC牛，呢款最正 SONY HAT50 動態速度分析力厚度音色全有  最後修改時間: 2020-08-27 22:55:38 |
niceday009 正式會員 42.xxx.xxx.62 |
2020-08-27 22:54 |
| [#3] Lundahl MC 升壓牛 多謝niceday009師兄意見. |
cshingyau 正式會員 116.xxx.xxx.190 |
2020-08-28 10:58 |
| [#4] Lundahl MC 升壓牛 Seem impossible to find any Sony ha-t50 Do like to try that too |
hahayanyan 正式會員 49.xxx.xxx.134 |
2020-08-28 11:29 |
| [#5] Lundahl MC 升壓牛 #4 因為好多人知道佢靚聲又平，二手巿場一出即冇 HAT50比起貴佢幾倍之Denon AUS1重靚聲，只係輸些少超低頻下潛，但HAT50聲音快速生猛，好多中下價MC牛出唔到 最後修改時間: 2020-08-29 06:56:50 |
niceday009 正式會員 42.xxx.xxx.62 |
2020-08-29 06:54 |
| [#6] Lundahl MC 升壓牛 niceday009 師兄, 有冇玩過 銀MC 牛? |
cshingyau 正式會員 116.xxx.xxx.147 |
2020-08-29 11:11 |
| [#7] Lundahl MC 升壓牛 if u into DIY your own SUT, one thing you could try is resistor tuning at the output end , as tone, and the decay of the high etc.. are indeed different if input impedance is at 150K instead of 100K etc.. depending on your MC, somehow it make sense to have a SUT (hopefully u like the sound of that particular SUT) is has lower input impedance , as it can always be up tuned the input impedance to seek a value sound best for your Ear or in your system ) any reason u goes for that LL1933 but not other model from Lundahl from my limited exp. matching is the KEY ( i never have those super expensive SUT ) , and it is fun to have a few SUT at home haha |
hahayanyan 正式會員 49.xxx.xxx.126 |
2020-08-29 11:38 |
| [#8] Lundahl MC 升壓牛 Lundahl LL1933, 放大倍數合用, 1:8 及1:16 |
cshingyau 正式會員 116.xxx.xxx.147 |
2020-08-29 12:06 |
| [#9] Lundahl MC 升壓牛 niceday009師兄, 找到了, sony HA-T50, 聲音一流唔錯.  最後修改時間: 2020-09-24 13:52:46 |
cshingyau 正式會員 116.xxx.xxx.216 |
2020-09-24 13:50 |
| [#10] Lundahl MC 升壓牛 Hi 師兄。。借問聲對Sony在那 |
albertohassier 正式會員 14.xxx.xxx.153 |
2020-09-26 19:48 |
| [#11] Lundahl MC 升壓牛 日本 |
cshingyau 正式會員 116.xxx.xxx.119 |
2020-09-26 20:28 |
| [#12] Lundahl MC 升壓牛 哩隻sony牛夾唔夾AT C9ll? 最緊要價錢貴嗎？ |
timmywan 正式會員 182.xxx.xxx.17 |
2020-09-28 17:53 |
| [#13] Lundahl MC 升壓牛 #12 suppose ...not match to AT09ii , as AT09 looking for the loading impedance at least 100ohm, which the t50 seem to be in the range of 40ohm |
hahayanyan 正式會員 49.xxx.xxx.7 |
2020-09-28 23:27 |
| [#14] Lundahl MC 升壓牛 匹配3Ω至40Ω墨盒。 型號等級 模型 適用於MC的小型升壓變壓器 獲得 26分貝, 1:20 頻率特性 20Hz-30kHz的 外形尺寸 寬13 x高13 x深度55毫米 配Audio-Technica AT-OC9/III 放大率有啲過高. 0.4 x 20=8mv |
cshingyau 正式會員 116.xxx.xxx.240 |
2020-09-29 00:41 |
| [#15] Lundahl MC 升壓牛 it is a good tool for resistor tuning for a SUT, , it may be possible to open up that sony and add a resistor at the output side of that sony (286k ohm according to the calculator at the tool below) http://www.hagtech.com/loading.html have fun 最後修改時間: 2020-09-29 09:46:03 |
hahayanyan 正式會員 49.xxx.xxx.105 |
2020-09-29 09:41 |
| [#16] Lundahl MC 升壓牛 hahayanyan 師兄 What is Desired Load Impedance ? |
cshingyau 正式會員 116.xxx.xxx.240 |
2020-09-29 12:54 |
| [#17] Lundahl MC 升壓牛 it is depending on the tone ..very tiny different but also noticeable feel me..i DIY SUT..i feel a few value of resistor until i get the "feel" i prefer but it is always around +/- 10%...20% from the recommend loading , always need to try... |
hahayanyan 正式會員 45.xxx.xxx.232 |
2020-09-29 12:57 |
| [#18] Lundahl MC 升壓牛 Is it parallel connect primary of MC setup transformer ? |
cshingyau 正式會員 116.xxx.xxx.240 |
2020-09-29 13:10 |
| [#19] Lundahl MC 升壓牛 that calculator from that website is having a resistor at the 2ndary end we can have resistor at primary but it is a square root value, that web site do mention the formula ..somewhere at their writing some user may find that too subtle ..not worth the effort some may feel so dramatic... haha depending on who u are , do u enjoy the process haha 最後修改時間: 2020-09-29 13:36:08 |
hahayanyan 正式會員 45.xxx.xxx.232 |
2020-09-29 13:25 |
| [#20] Lundahl MC 升壓牛 Very difficult understand how to connect loading resistor of MC set up transformer. |
cshingyau 正式會員 116.xxx.xxx.240 |
2020-09-29 13:37 |
