- #1 [Qwea], 21-02-19 23:08請問有無師兄玩無源前級配胆後級,請指教
- #2 [Nr990], 21-02-20 18:10用緊 DIY TVC 無源前級接膽後, 效果理想.
- #3 [wcw12], 21-02-21 12:42你冇源前級有冇增益?
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- #4 [BenYC], 21-02-21 12:45#2
可否告知點解有電容?什麼數值? - #5 [tvc], 21-02-21 16:41tvc好似係經過粒電容做輸出, 這粒電容舉足輕重.
- #6 [Qwea], 21-02-21 16:41有6db增益,惊唔夠 gain, 無聲出
- #7 [baker.steven], 21-02-21 17:55今時今曰CD輸出去到3V,點可能無聲出!不過後級靈敏度低就的確唔太合適。
- #8 [qwea], 21-02-21 18:18多謝師兄指教
- #9 [alexanderkoo], 21-02-22 14:34DAC is now having 2.3 to 3V unbalanced, 5.6-6V balanced. More than enough for direct driving most power amp. I feel a bit dangerous if suddenly turned to 0db, hence additional gain control. The sweet spot is around -48db or higher for 32bit, which is too loud. In fact, might need attenuator, minus 15.(Rothwell got such) If pre-amp is added,say for vinyl in my case, it's only at 7 o'clock position for CD, aggravating the situation.
- #10 [Krell], 21-02-22 16:26Few people choose this road.
- #11 [kermit], 21-02-22 21:48#2
恕怪孤陋寡聞,第一次見無源前級裡頭有電容, 是否牛本身有增益功能? - #12 [BenYC], 21-02-22 22:04我看電容接法,應是 high pass filter 但唔明點解用和其數值。或是否攞電容本色的聲底?
- #13 [bt99], 21-02-22 22:16Nr990師兄呢部無源前級係用TVC牛做Volume,應該係有增益放大功用的,
至於個電容,係並係輸入端串隻電阻落地,類似咁樣 .....
最後修改時間: 2021-02-22 22:20:33 - #14 [cityguy], 21-02-23 01:43師兄
请問音量牛及掣是甚麽牌子,
在邊到買。
谢
最後修改時間: 2021-02-23 01:46:01 - #15 [Nr990], 21-02-23 07:54電容是串在牛輸入的,不一定要用,只係用左覺得好聽D. 數值是 1u至5u都可以.
- #16 [Nr990], 21-02-23 07:57隻牛是可以 0 或者 +6db 的, 我是用 0db.
牛可以在淘寶搵 Audio Music 的开平牛魔王. - #17 [Nr990], 21-02-23 08:03牛的缐路
- #18 [cityguy], 21-02-23 11:23師兄
请問音量掣是甚麽牌子,
在邊到買。 - #19 [NR990], 21-02-23 11:40隻制是香港制造的, 之前在香港膽群有資料的.但呢隻制是 59格, 牛是 33格, 要做D 設置, 限制在33格。
可 Whatsapp 54287116 呂小姐訂購
最後修改時間: 2021-02-23 11:50:47 - #20 [cityguy], 21-02-23 12:07師兄,
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