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  1. Ferdinando1968

    The discovery thread!

    Unfortunately this is the bad luck of this hobby: to try you have to buy (unless you live in Singapore 😂). I can tell you that Dynaquattro is not a duplicate of SERIAL or QUATTRO; in MY opinion it is a less general purpose IEM than the Penon IEMs. I find its listening splendid, but not...
  2. Ferdinando1968

    The discovery thread!

    You look really excited 😂 I'm very happy for you. I agree. Their products are good. DynaQuattro are amazing and unique. You should at least try them.
  3. Ferdinando1968

    The discovery thread!

    Which of the many clones did you take (link)? I use ROON's MUSE, but of course it's not free. If you need it, I can take some screenshots.
  4. Ferdinando1968

    The discovery thread!

    I'm trying these TANGZU YuXuanJi. I just put them on, I still have to do burn-in and tips-rolling. However, I can already say that they are good: clear, airy and balanced sound, nice rendering of the voices, bass present but not exaggerated, good mid-bass. The aesthetics are particular and I...
  5. Ferdinando1968

    The discovery thread!

    I like the set, both aesthetically and in terms of the driver configuration. But, given the cost, these are not enough reasons for me.
  6. Ferdinando1968

    Reply to review by 'Ferdinando1968' on item 'LETSHUOER Cadenza 12'

    Great review. Tough battle between giants.
  7. Ferdinando1968

    XDUoo XD05PRO

    I was writing the same thing 😂
  8. Ferdinando1968

    The Qudelix-5K thread

    The reasons why the cell voltage, shown during charging, is higher than the voltage shown when charging is complete, are (as a first approximation) 2: 1. the cell has an internal resistance (which increases as the cell is ‘worn’), a resistance on which a voltage falls given by the product of...
  9. Ferdinando1968

    The Qudelix-5K thread

    The 80% limit forces the QUDELIX internal charger to deactivate the cell charge as soon as it reaches 80% of its maximum charge voltage (which in the case of the 5K is about 4.30-4.35V). This voltage limit is never exceeded even if the device remains connected to the USB power supply...
  10. Ferdinando1968

    The Qudelix-5K thread

    I am not from QUDELIX, but if you agree, I can explain something. The charger is inside the device, always. What we call 'USB chargers', in reality it would be more correct to call them USB power supplies. If they are compatible with the PD or QC standards, they are able to supply a voltage...
  11. Ferdinando1968

    The discovery thread!

    Brother, your wise, honest and sincere reasoning certainly has my attention and my respect. However, in life it is often a question of goals and possibilities. I have no children to support, nor university fees to pay. And this gives me economic possibilities that otherwise I probably would...
  12. Ferdinando1968

    The Qudelix-5K thread

    Indicates the RMS output voltage from the DAC amplifier stage. It is probably the average of the RMS L/R voltages. https://en.wikipedia.org/wiki/Root_mean_square
  13. Ferdinando1968

    The discovery thread!

    The QUDELIX team has a strange attitude (I say this with sympathy and with the MAXIMUM respect for their GREAT expertise): they are a bit ‘bears’, and yet very reactive and attentive to the requests made on their forum. It seems that they do not care much about promoting their GREAT product...
  14. Ferdinando1968

    The discovery thread!

    He is a guy who has some skills, but unfortunately he often has a hateful and disrespectful way of carrying them forward. Listening to him does not relax me and does not satisfy me. He often has a conspiratorial attitude, of the type 'only I know the truth, and now I'll tell you'. Too bad, an...
  15. Ferdinando1968

    The discovery thread!

    I like them too much. I got the brown ones. Without taking anything away from the others you and others have mentioned, in the end I must confess that I appreciate Honest more than anyone. The paradox, if we want to say so, is that I agree with his opinions 'only' 50-60% of the time. But even...
  16. Ferdinando1968

    The discovery thread!

    I still have it, and I like it. I can't advise you if it's worth it for you today. From a construction point of view, it's a DUNU product, so TOP. From a musical point of view, others have already said it better than I could. In fact, I'm going to listen to it now 😁 edit: the fit is a bit...
  17. Ferdinando1968

    The discovery thread!

    Unfortunately I don't know. I've made a madness out of it, both for the loss and for not understanding how and where I lost them or they were stolen from me. One hypothesis is that they were stolen from me on my last flight. I looked everywhere for them, even in the lost and found office...
  18. Ferdinando1968

    The discovery thread!

    😂😂 I've actually had them for a while now, but I just remembered to write my usual two lines. Anyway, if you lent them, they'll come back to you.
  19. Ferdinando1968

    The discovery thread!

    I tried the AROMA Audio XuanWu dongle with headphones. Well, it drives 2 headphones at the same time without batting an eye. IFIMAN Sundara and AKG-K712-PRO, and without having to push the volume to excessive levels.
  20. Ferdinando1968

    The discovery thread!

    What memories. Every time my father and I bought a new component it was a real celebration. I remember as if it were yesterday when we bought the MARANTZ pre and power amps, the AKAI and Technics decks, etc. etc. Over the years we alternated various cartridges; I remember the ADC, STANTON...
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