Recent content by M0du1e

  1. M

    Great Album Covers

    Toundra — IV
  2. M

    WolfX700 Measurement of Topping L30 Headphone Amp

    How can it be E30 is limiting factor when we're see DAC Perfomance Index and it measure very well?
  3. M

    Why DAC manufactors has not an option 3.5/6.3 jack for interconnection?

    5 Thank you, I will look for it. But it's hard to find such cable, local dealers have no idea about them.
  4. M

    Why DAC manufactors has not an option 3.5/6.3 jack for interconnection?

    Subj. Today when we appreciate multiple connectivity options, modern dacs have XLR/RCA/IIS/AES/Bluetooth options to connect it whatever you want. But it doesn't include jack, 3.5 or 6.3. I have old audio interface E-MU 0404 USB, it have 3.5mm or 2x6.3mm line outputs, I connected it to my O2 amp...
  5. M

    Wolf's Measurements of SMSL M200 DAC

    Right about time, I almost pull the trigger on combo M200 + SP200. Thank you, will watching this thread for further explanations.
  6. M

    USB audio interfaces interest

    Yeah, it would be interesting to see. I still using 0404 USB as a DAC. Wondering if upgrade to "hi-fi" pure DAC would make any difference...
  7. M

    Topping E30 DAC Review

    I wonder when Topping planning to release E50 to compete with SMSL M200 (AK4497)?
  8. M

    Atom AMP a noticeable upgrade from the O2?

    There is review of Atom vs O2: TL;DR: He prefers O2 because of build quality, he also mentioned there is no audible difference between them.
  9. M

    Squealing/grain when running sweep tones

    The buzzing issue is happily fixed. I discovered my whole system was powered by ungrounded outlet and connecting it to grounded outlet fixes this problem.
  10. M

    Squealing/grain when running sweep tones

    Yes, same issue with connected to the onboard PC. However, that buzzing isn't always audible, I started noticing it from time to time. I also noticed strange thing, if I shake connected headphone a little bit, then buzzing gets louder. But for example if I hold O2 amp in my hands, or my hand is...
  11. M

    Squealing/grain when running sweep tones

    My O2 uses a single 3.5mm jack for the input and the output. I tried to connect first cable which terminates 3.5 jack to O2, and to 0404 USB headphone amp (using 6.5 adapter), it affecting two channels at the same time. Second cable connected to 0404 has the same issue. I also tried connect O2...
  12. M

    Squealing/grain when running sweep tones

    Today I noticed buzzing sound in my headphones, even when no sound is played at all. What it means? When I touch jack output buzzing is stopping. Please help.
  13. M

    Squealing/grain when running sweep tones

    I tested it again. Most likely, there's two different issues. First, "grain" in high frequencies at 10khz+ tones. Swapping cable between channels helps that issue transferred from left channel to right channel. Second, high pitch squealing happens on both channel, and yes, at low volume this...
  14. M

    Squealing/grain when running sweep tones

    I tried using files from https://music.apple.com/us/album/audio-test-tones/504657597 and play it in audio player . Still issue presents.
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