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  1. Blumlein 88

    Serious Question: How can DAC's have a SOUND SIGNATURE if they measure as transparent? Are that many confused?

    If you can easily hear the difference, it would easily be found out in a blind test. If it is easily heard you can measure the difference too.
  2. Blumlein 88

    Audio Interface from USB to AES XLR (per channel)

    This combined with a regular USB to SPDIF converter should work. You can use a BNC to RCA adapter on the input to this. https://www.bhphotovideo.com/c/product/748792-REG/Sescom_SES_AES_EBU_2_75_Ohm_BNC_Female.html Here is a review of two such converters. I have the one from Douk audio...
  3. Blumlein 88

    RME UCXII vs Motu Ultralite MK5

    This has a list of inputs and outputs. The RME has a few more. Other than that depends upon your needs. Both perform well in a technical sense. Unless you dig the feel and function in person and in software I doubt one is better than the other. TotalMix software from RME is probably more...
  4. Blumlein 88

    How to match my tube pre-amp with various SS power amps

    In simple terms, your amps bridged have 6 db more gain. So for a given sound level you will turn down your preamp by 6db. If you ran one of them unbridged, you would end up raising the volume on your preamp. How this relates to other amps depends upon their gain which varies a bit between...
  5. Blumlein 88

    About design philosophy _ are minimalists right or not ?

    I owned one of the Zen power amps. https://www.passdiy.com/project/amplifiers/the-zen-amplifier Quite the simple circuit for the output stage.
  6. Blumlein 88

    Serious Question: How can DAC's have a SOUND SIGNATURE if they measure as transparent? Are that many confused?

    Reminds me of my first bit of audio gear. 12 transistor pocket radio. Not the cheap 8 transistor model. I've have upgraded a time or two since then. I've also owned JBLs and several Magnepans.
  7. Blumlein 88

    Electrostatic speakers?

    I owned Quads both 57 and 63. I consider the ESL-63 to be the best commercial design for an electrostat ever with the delayed concentric rings. I had hoped someone would take up the mantle with more concentric rings and larger panels or vertically segmented tall panels with delays between the...
  8. Blumlein 88

    Serious Question: How can DAC's have a SOUND SIGNATURE if they measure as transparent? Are that many confused?

    Yes. Where do you think the Mastering thing comes from? It was a necessity when they started pressing LPs. You cannot put tape on the discs due to many issues. So mastering was altering the original sound to allow it to fit on the pressed MASTER for making the LPs. By definition and...
  9. Blumlein 88

    Netflix subtitles

    I think it depends on the movie. Some have English subtitles only for only the non-English portion as part of the movie. Some do not. If they don't, then what you doing with closed captioning is your only option.
  10. Blumlein 88

    Making my own RCA -> XLR cables

    So the equivalent to the GOOD version would be to use a shielded XLR cable for the whole run between power amp and preamp. Then on the RCA end use an RCA to male XLR adapter at the preamp output. Same basic result. Easy to do. Cheap shielded XLR cables from Monoprice would be fine for this...
  11. Blumlein 88

    The Case Against OLED

    Yeah, we need that 8k/120 hz format. Then you will get highly detailed views of films made with anamorphic lenses. This to blur everything other than the center to give it that artistic film look. :facepalm:
  12. Blumlein 88

    About design philosophy _ are minimalists right or not ?

    It is like asking why someone makes a steel belted radial which is complex, requires machinery few can afford, when one can build a perfectly serviceable wooden wheel with simple hand tools. There are people still making such wheels. In the larger context it is a non-starter. An op-amp has...
  13. Blumlein 88

    Electrostatic speakers?

    I don't know the particulars, but Soundlab's PX coated panels are said to be exceptional. The owner says they can be considered heirloom speakers that can be passed down to subsequent generations with the PX panels. In my experience the other part of ESL's that need attention are the high...
  14. Blumlein 88

    Serious Question: How can DAC's have a SOUND SIGNATURE if they measure as transparent? Are that many confused?

    Look for a couple of 8 times through or 8th generation threads I've posted. Files are still available for downloads. No compression used. It is listed several times just in this thread. There is also an online place where someone did this for 1000 generations...
  15. Blumlein 88

    About design philosophy _ are minimalists right or not ?

    Another part of the tale behind simple circuits is every component matters. If your circuit is simple, you can afford to use the highest quality components. If your circuit is complex those are cost prohibitive. And that tale is easy for people to think about just that way. In fact all that...
  16. Blumlein 88

    Words Of Wisdom by John Curl

    Ridiculous as simple as that. Not what Scott Wurcer said either.
  17. Blumlein 88

    About design philosophy _ are minimalists right or not ?

    But why do you want discrete simple line stages? I get the fascination and the implied philosophy. But if what you really want is performance, it is irrelevant. You asked if there are other things than linearity, distortion and low noise. I would add frequency response and beyond that there...
  18. Blumlein 88

    About design philosophy _ are minimalists right or not ?

    I for a long time believed in the simple circuit. Built some myself for preamps. They can be good to excellent. But minimalism is really a misguided myth in audio. Really no reason for any modern preamp not to be op-amp based. That is simple functionally, but it hides some complexity inside...
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