Ok, guys..... Here is very long while since my last post into Head-fi.... Totally what I did into each mods are reinforcing power supply (both digital/analog) and making lower noise floor around 9028's, replacing I/V resistors, stabilizing GND (stocked AMP7 are having dangerous topology), and...

Quote: Yes, in optical solution, Joseph's is the best in fiber. But if there would have coaxial option, no reasons to abstain...especially in portable, so I'm very very regretting to omit it onto MB, haha

Quote: I also have Joseph's 1300 with 1 feet length, and tried comparison with other formed 1300 which is dedicated for iHP120 and D12. Honestly difference is very small, but expression in treble gets slightly peaky, so assumed it's jitter. The 1300 is so excellent at all, but too short...

Quote:   Reflection and diffraction is also inevitable in the optics. In very short distance btwn DAP and DAC, they will more effect (as with small R or reflected from section). And also physical toughness is required in portable application especially. The more light conduction...

Estimate date to be shipped: 20th Feb.~   Specs: (Given Mad Dog edition and SW1ON/SW2OFF)   THD+N (1kHz Sinewave) 600ohm Load 350mVrms 0.0008% 600ohm Load       1Vrms 0.0009% 100ohm Load 350mVrms 0.0007% 100ohm Load       1Vrms 0.0013%   33ohm Load 350mVrms 0.0008%   33ohm...

For Long time absence.... 3rd batch preorders start today First, apologizing this too long absence, and I was concentrated into domestic sales during last year. And now, I can accept enough room for international sales but Japan....and very glad to introduce this here again. I currently...

Quote:   Oh dear....hadn't it been arrived? May be lost... then I'll add another one.  

Quote: OMG forgotten... To europe and north america, please add 10USD. To asia and oceania, please add 5USD.  

Quote:   Affirmative, and we are accepting orders only from here, however hesitatingly saying price will be raised due to reasons in #645...     Before 3rd batch releasing, I have to update ALL the 1st and 2nd fi.Q's...... Summary for it is to make longer runtime and less heat...

  Quote:   Sophisticating power supply section and to change chip capacitors, also available to change whole resistors on signal path with thin film resistors if you need.   Quote: First, thanks for kind words above. In Tokyo suburb we are not more severely damaged...

We will soon start preorders for 3rd, with 50 sets.   Price will generally raise due to brushing up several components from 2nd, and extremely appreciated JPY. Leadtime for this is estimated around 2-3 months to be shipped from now to secure components and production line in iBasso (to...

Quote: Well, K389 have been obsolete long time and requires very severe sorting, Idss on it has very uneven. We can buy K1529/J200 or K1530/J201 as 18USD/pair here around.  And then oyaide headquarter shop is just 500 yard from us, the silver-rhodium plugs are available 12USD/pcs.  ...

How it observed is like below, connecting resistors as load and measuring their terminal voltage. Voltage is subscribed in Vrms, in pole-to-pole, 2*root2=2.8284 times should be multiplied.

Quote: Where is the thread in DIYA you mentioned? In this application we always have to look out current leakage. Also I remember ES achieved better results than BGs.....   BTW, I assume they can't ever make the precise imitations as long as their effort, there has much crude...

Then you can use MUSE-ES 22uF/25V or 33uF/16V in same dimension with cerafine. Partsconnexion is dealing in. MUSE-ES is bi-polar type from Nichicon and will give solid bass like BGs but having dry character. Also will be more similar to BGs with adding film caps in parallel with, if room...