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Type: Posts; User: mikaelmark

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    Closed: Re: Portable headphone amp w. batteries

    https://www.newclassd.com/index.php?page=125&hv=1

    Just click at the Specifications tab

    SparkoS SS3602 will draw 28mAh and also this one worked great in this amp.

    It will also work in pure...
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    Closed: Re: Portable headphone amp w. batteries

    Ok, thankīs!

    But if I leave the TLE2426 in itīs position, what can be the result if it can not deliver enough current to ground?

    And what will happen if I remove the virtual ground totally for...
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    Closed: Re: Portable headphone amp w. batteries

    Thankīs for your suggestions!

    Should I remove the TLE2426 totally and maybe replace it with some resistors only, about 4,7kOhm? Or will it be ok to not use any rail splitter/virtual ground at all,...
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    Closed: Re: Portable headphone amp w. batteries

    Also, when I use the discrete OpAmpīs in my AK4399 DAC, the manufacturer recommend me to parallell the 240uF original electrolytic capīs with a small bipolar/unpolarized plastic cap to each power pin...
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    Closed: Re: Portable headphone amp w. batteries

    Thankīs betwixt, for you reply!

    Ok, I will cut the "incoming" copper conductor at the PCB for the output at both LM317 and LM337 and leave most components as is. This way they will act the same...
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    Closed: Portable headphone amp w. batteries

    Iīm testing several discrete OpAmpīs for my DIY portable headphone amplifier (with first generation NiMh 16VDC/2Ah battery pack), all with good results. And the batteries are drained to about 7VDC,...
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