pallee

回覆 30# leungleung1234

No. If you want to try, I can let you try them. HDAM IC opamp is a fake. No spec. is available. Don't go for this product name in any case. I found the truth out lately.

Finally I installed 4 x LME49990. They give the best result. But they are expensive and difficult to buy. You also have to do short pin soldering by yourselves. The soldering is not easy.

I suggest you to buy the stocked OPA1612 version for simplicity. It already exceeds many DAP in terms of sound quality.

leungleung1234

回覆  leungleung1234

No. If you want to try, I can let you try them. HDAM IC opamp is a fake. No s ...
pallee 發表於 2019-12-14 21:51

    多謝師兄解答，想請問你指的LME49990是不是LME49990MA，我見淘寶有賣貼片轉直插的版本 (約60元)，你指的請問是不是就是這款呢?

pallee

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pallee

回覆 32# leungleung1234

RMB 60 is quite certain fake. Now a single LME49990 costs 50. Four cost 200. And you also need the conversion boards and short pins. Without good soldering skill (or hot gun), I suggest you to give up such mod.

leungleung1234

回覆 34# pallee


    明白，多謝師兄細心的解答，那我還是先用回OPA1612吧，謝謝你。

pallee

One weakness of Chifi DAPs is the battery. It happens to almost all DAPs in this kind. They use stock lithium battery in market. The max. output current is not big. Small current cannot drive the output circuit to the best level.

Branded DAPs (e. g. Sony, Onkyo) have their own designed batteries. Output current is bigger.

pallee

OPA1612 ratings are high. It is a good opamp IC.

It is just not very musical (too plain).

leungleung1234

OPA1612 ratings are high. It is a good opamp IC.

It is just not very musical (too plain).
pallee 發表於 2019-12-14 23:01

今日收到機聽左陣，部機偏暖聲，表現的確幾好。原裝的Opa1612感覺有點淡，雖然人聲結象清楚，但就有點欠韻味。本身我另外有訂到muses8820，不過要等幾日後先收到，希望到時換左可以令d 人聲甜d喇。

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天大笑話

呢部機同紫珊z2 mod比升級大唔大

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leungleung1234

回覆 39# 天大笑話


    Z2本身無mon，操作用得好辛苦下。呢部有個mon同埋有3.5平衡，升級都算大