• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Little Dot Mk IV SE

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I have a Little Dot Mk IV SE headphone amp that I like pretty much. With my Sennheiser HD800 it plays good but I think I need some bass. Playing 25Hz testtones makes my head shake so it is capable of playing bass but when playing music I still need some.

Looking at the capacitor quality I think I can improve the sound by changing them to better types but I like to know exactly what I’m doing before doing it. So the question is, is there a schematic of this amplifier somewhere?

Not knowing the schematic yet I would like to ask if you know any other good modifications to this amp?

Thanks in advance
Peter
 
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