Tube Amplifier Project With EL3N

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Back to my hobby, I will build tube amplifier. My Considering are Easy to built, Budget factor, and also sound quality. After search in audio community, I decide to use EL3N tube. Below is the schematic.

Schematic DIY amp tube with EL3N

Due to hard to find this tube on market, or there are but in expensive price, I need little time to collect the component one by one. I decide to complete material needed gradually. 

Illustrate built by Mr. Ike Chun

Illustrade 2 Mr. Ike Chun

First for the EL3N it self, will get it first. I think this project is  journey. So i will enjoy every step along the way.

How about List of material update 28 Sep 2026:

List of Material Update

For Power supply, Come from Laptop charger 12 volt 10 ampere then boost into 260 volt VDC with DC-DC booster. So i decide to make simple DIY PCB for power supply like this scheme. So from terminal block i just continue to supply into Katoda or anoda. 

Power Scheme

To be update......