EEVblog #837 - Reverse Engineering A Valve Headphone Amplifier
Dave reverse engineers the XuanZu X2-U808 Hi-Fi Headphone Amplifier to see if the valves actually do anything.
What is the circuit topology?
E180F (6J9) pentode valve datasheet:
Doug Ford's Microphone design series:
Reverse Engineering How-To video:
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What is the circuit topology?
E180F (6J9) pentode valve datasheet:
Doug Ford's Microphone design series:
Reverse Engineering How-To video:
Forum: /
EEVblog Main Web Site:
The 2nd EEVblog Channel:
Support the EEVblog through Patreon!
EEVblog Amazon Store (Dave gets a cut):
T-Shirts:
Donations:
/
Projects:
/
Electronics Info Wiki:
/
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