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  1. watchnerd

    NAD M33 vs Devialet Expert

    The NAD M33 "all in one" DAC/ADC/amp/streamer/phono is now shipping, using Purifi chips, with Diract live built-in. https://nadelectronics.com/product/m33-bluos-streaming-dac-amplifier/ If the phono is any good, and it can connect to Roon nicely, it might add the room correction that I always...
  2. watchnerd

    Audio Prose Porn Thread

    I ran across this and thought it was a particularly egregious example of written audio porn. "Japanese chemist Kikunae Ikeda-san officially coined the term "Umami" in 1908, defining it as a very pleasing or delicious flavor on the palette, a synergistic effect resulting in higher taste...
  3. watchnerd

    Crazy? or Temperature, Humidity, and Speaker Sound Matter

    I swear, sometimes, I'll have a few days in a row where my speaker just don't sound right. And then a few days later, things sound fine. This has happened with every speaker I've owned. Are these atmospheric effects? Higher / lower humidity? Warmer / colder air? Or is it all in my...
  4. watchnerd

    Horns - Necessary to complete the Audiophile Journey?

    I've never owned horn speakers (unless one counts JBL 305 waveguides) in my life. I've owned speakers of the following types... -Dynamic (multiple flavors, sizes, brands) -Pure ESL (Quad) -Hybrid ESL (Martin Logan) -Ribbon (Apogee) ...but I've never owned a pair of horn speakers of any type...
  5. watchnerd

    Puffin: dB Gain to Voltage Calculation?

    I finally got around to hooking up the Parks Audio Puffin on kind loan from @BDWoody While I'm still learning some of the features of the Puffin, gain staging of the cartridge is the question I have for now. The cartridge in question is a new (maybe 7 hours of use so far) Audio Technica ART-7...
  6. watchnerd

    £300 "Way Out West" Reissue LP - SOLD OUT

    £300 version of Sonny Rollins' classic "Way Out" West was released for pre-order on May 1, 2020. To quote the marketing materials: "Highly coveted sonic blockbuster gets the STEREO treatment via our 1965 all valve Lyrec / Ortofon analogue cutting chain. Mastered without any processing, with...
  7. watchnerd

    Why Audiophiles Are Shopping for Vintage Turntables

    A highly opinionated article, to say the least: "Listening to records is the penultimate middle finger to the digital age; one where human beings text family and friends in the same room rather than talk to them, and where people flip through music selections on their smartphones with the same...
  8. watchnerd

    Hi Fi Spending Smarter Than Car Spending?

    So was looking at upgrading my car recently for no real good reason other than wanting a new toy. But as stupid as hi fi prices can be, compared to luxury cars: -No monthly insurance costs for hi fi -No annual vehicle registration / vehicle tax costs for hi fi -Low to zero maintenance costs...
  9. watchnerd

    2 Way Speaker Bass Distortion: Not So Important?

    3 different THD @ 90dB (50 hz - 10khz, 2 m) graphs of 3 different 2-way loudspeakers, all of which have good "street cred", all from Soundstage Network testing: KEF LS50 Revel Performa M126Be Dynaudio Special Forty There is about a 10dB spread here at 50 Hz. But most subjective...
  10. watchnerd

    Vintage Speakers Worth Owning Today?

    Are there any vintage speakers worth owning today? In particular, I'm thinking of big-ish speakers, of the size of the JBL Century or larger. Have recently heard some lovingly restored Acoustic Research (AR-5, I think) vintage speakers, I was surprised at how decent they sounded. They gave up...
  11. watchnerd

    Speaker Ground Terminals??? WTH?

    I just recently discovered that some speakers have ground terminals, something I've never seen before despite being in the hobby for decades. It seems like it shows up on some Tannoys and a few other brands. Apparently you're supposed to hook the ground wire back to your amp. What's...
  12. watchnerd

    MQA Sounds Really Good!

    I'm listening to this MQA (remastered) stream from Tidal via Roon and it sounds really good. But the Devialet doesn't decode MQA at all....but Roon does...sort of? So it's half decoded? I guess the sound I like must all be due to the remastering since the Devialet just sees it as...
  13. watchnerd

    Tube Triode Balance vs Brand/Type

    I have about 12 pairs of 6DJ8/6922/7308/6N23/7DJ8 type tubes. In theory, they're all "substitutes" for each other, although not identical. In addition to differences in physical construction, the 7DJ8 are also rated for higher voltage (7V, vs 6.3 for the rest). All have an internal triode...
  14. watchnerd

    Tube Power Supplies: Transformers vs Others?

    When considering tube amps, I've read some opinions that assert that, for tube amps, transformer based power supplies are "better" than alternatives (e.g. boost converters). Some go further and assert fully vacuum-tube regulated power supplies, with rectifier tubes, are superior to solid state...
  15. watchnerd

    Ground Wire: Optimal Set Up?

    Here are some real world scenarios and my hum experiences: TT -- ground --> Devialet = no hum TT -- ground --> SUT -- ground --> Devialet = no hum TT -- ground --> SUT -- ground --> tube phono -- ground --> Devialet = hum TT -- ground --> SUT -- [bypass tube phono ground wires] -- ground -->...
  16. watchnerd

    Tube MM Phono Buffer

    I'm enjoying playing the tube rolling game with my Fi Yph (passive RIAA, 2 x 6922/6DJ8 for gain). But I realized I don't really need a passive RIAA, as my Devialet already has RIAA via DSP built in, which should be theoretically superior to even a passive network. So I started thinking 'why...
  17. watchnerd

    Should I Leave My Tubes on 24 x 7?

    I have an a tube phono stage (Fi Yph), one of these: https://6moons.com/audioreviews/fi3/yph.html It uses two 6DJ8-type tubes. The default are Electro Harmonics 6922, but I'm currently running a pair of NOS Matsushita 7DJ8 (7 volt version of 6DJ8). I'm assuming it should be a gentle load...
  18. watchnerd

    What Country Is Your Gear From?

    Just looking at the gear I own: Speakers (Dynaudio): Danish Subwoofers (Martin Logan): American / Canadian Turntable: (Michell Gyro SE): British Tonearm (SME, Jelco): British, Japanese SUT (Hashimoto, Lundahl): Japanese, Swedish Cartridge (Audio Technica, Nagaoka): Japanese Reel to Reel...
  19. watchnerd

    Audioquest GroundGoody Saturn Cable Review

    I recently bought another step-up transformer that required an additional grounding cable beyond the one built into the tonearm cable I already use. I went to Amazon and, for about a $20-$25 premium over generic grounding cables, I spotted the Audioquest GroundGoody Jupiter PSS, 2m version for...
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