Music enthusiasts must! High quality amp DIY

What is brought to you today is a Lehman amp, a hole made by a technical cow. Although the principle is not difficult, it still takes a lot of effort in the later debugging. Everyone can decide according to their own situation.

How to create a hole plate for your own personality, Lehman amp

Start below:

The power part is a few red horses, you can listen to the same song, especially the high-frequency part of the vocal, pay special attention to the thickness of the sound, softness, the size of the tooth, etc. A few red Wei Ma, I personally recommend not to these small capacitors. Even if you want to compare and compare 0.1U small capacitors of several different brands and materials.

Also, the input coupling capacitor is also used by Red Wei Ma. This capacitor is very hot. Relatively dry, dry, hard. You can try using a good electrolytic or other material capacitor here.

In fact, I prefer the sound of Su Lun. The power supply is 1UF. The 0.1UF capacitor is too dry. The capacity of these large capacitors is a bit larger. I used 3300UF. I think the medium frequency is thin and I use it now. This way, to be honest, I am not too satisfied with the current voice, and I am preparing to re-polished recently.

Music enthusiasts must! High quality amp DIY

Music enthusiasts must! High quality amp DIY

Music enthusiasts must! High quality amp DIY

Music enthusiasts must! High quality amp DIY

Schematic download:

DIY amp schematic

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