atomicbob
Last Activity:
Jan 23, 2022 at 9:51 PM
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Gender:
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Location:
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Occupation:
acoustic research scientist

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atomicbob

dScope Yoda, Male, from On planet

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Walnut X + T4 are highly synergistic. I wonder how many of each were made? Also how many SBAF members own both? Jan 23, 2022 at 9:51 PM

atomicbob was last seen:
Jan 23, 2022 at 9:51 PM
    1. atomicbob
      atomicbob
      Walnut X + T4 are highly synergistic. I wonder how many of each were made? Also how many SBAF members own both?
      1. M3NTAL and Cryptowolf like this.
      2. pure5152
        pure5152
        if you can, I highly recommend also trying walnut x + 3f, it's also highly synergistic. Any rca-XLR adapters will do
        Jan 24, 2022 at 12:17 AM
    2. atomicbob
      atomicbob
      ECP Audio Walnut X + T4 passes the Pink Floyd dsotm test handily.
      1. jowls
        jowls
        Not picking up T4 will be a lifelong regret.
        Jan 21, 2022 at 9:58 PM
        atomicbob and Jinxy245 like this.
    3. atomicbob
      atomicbob
      Another patent pending ... more time with attorneys for final language tweaking and clarifications.
      1. Cryptowolf
        Cryptowolf
        Two things: all attorneys are arseholes. BTW I’m an atty. ;-)

        Congrats on another soon to be patent!
        Jan 17, 2022
      2. atomicbob
        atomicbob
        It is interesting to see what I wrote in the disclosures translated to legalese. And this has been ongoing for approximately nine years. I should mention it is another audio related patent.
        Jan 17, 2022
    4. atomicbob
      atomicbob
      OMFS has been hitting hard for awhile. Feel like hibernating until I can at least walk outside again without being in snow and ice.
      1. View previous comments...
      2. Senorx12562
        Senorx12562
        Right there with you, brotha.
        Jan 5, 2022
        atomicbob and dasman66 like this.
      3. Qildail
        Qildail
        It's that rough patch of year north of the equator: Crap weather, post-holidays letdown, and still not enough sunlight in the day. I have to force myself to bring the lights up and keep myself out of the leftover Christmas candy every year.

        Hang in there, mate.
        Jan 5, 2022
        crazychile and atomicbob like this.
      4. atomicbob
        atomicbob
        Doc says my level of vitamin D is exceptionally low. Missing 12 days of outdoor walks, even in cloudy weather, has taken a toll. Indoor exercise just isn't the same. Trying supplements.
        Jan 5, 2022
        Jinxy245 likes this.
    5. atomicbob
      atomicbob
      Crash learning video editing along with audio repair using Davinci Resolve and Izotope for NDA interview content on cardiology diagnostics.
      1. Lyander
        Lyander
        Honestly, always learning interesting new things is an excellent way to spend time on-planet. Tried Resolve after an art Youtuber I follow plugged it and the learning curve is a bit steep, but probably nowhere near so much as some of the lab gear you run on a regular basis. Hope it's fun!
        Dec 17, 2021
      2. E_Schaaf
        E_Schaaf
        I <3 iZotope RX and Ozone lines
        Dec 18, 2021
        atomicbob likes this.
      3. atomicbob
        atomicbob
        Continual learning is important to keep cognitive function from deteriorating into darkness. When I stop learning, I'm probably dead.
        Dec 19, 2021
        PsiPhi and Lyander like this.
    6. atomicbob
      atomicbob
      My MIA has been due to PC/Windows hell weeks, corporate year end push, holiday season family stuff and spending time with furry friends.
      1. View previous comments...
      2. mitochondrium
        Dec 10, 2021
        atomicbob and Cryptowolf like this.
      3. atomicbob
        atomicbob
        Pictures of my two furry ginger boys coming soon. I try to spend an hour with each in the lap to spoil them every day. After reading so many losing their furry companions I am resolved not to let the living opportunity slip away for my boys.
        Dec 10, 2021
        Qildail likes this.
      4. atomicbob
    7. atomicbob
      atomicbob
      Have a few days off beginning last Thursday and thought I might catch up on posting some measurement data. Primary lab laptop ...
      1. View previous comments...
      2. Qildail
        Qildail
        Sorry to hear of the hassle. Always seems like I have to go three rounds on these things too when they happen.
        Nov 21, 2021
        atomicbob likes this.
      3. DigMe
        DigMe
        You just reminded me that I need to finish backing up my drives.
        Nov 22, 2021
        atomicbob and Qildail like this.
      4. atomicbob
        atomicbob
        I was very fortunate. SMART provided warning of imminent failure due to error 204, Bad Block Full Flag. Acronis full backup to NAS for 220 GB took about 3 hrs. Data migration took about 21 minutes to new drive. Biggest delays were shipping and me attempting to be too clever. 2 perfectly fine days shot to hell with no lab computer.
        Nov 22, 2021
        Qildail and DigMe like this.
    8. atomicbob
      atomicbob
      Damn! What a day. High winds, power outage and a tornado alert - for the PNW! 5 UPS drained after 1 hr. Rest of day spent restoring LAN.
      1. View previous comments...
      2. Cryptowolf
        Cryptowolf
        Woof, that doesn’t sound like fun. i hope you and yours remain safe.
        Nov 10, 2021
        atomicbob likes this.
      3. atomicbob
        atomicbob
        PNW USA is a very mild weather climate. Tuesday's storm was uncharacteristic for our area. Our "severe" weather is likely only a moderate storm for @Lyander Things are better now but Covid is exploding after Halloween activities in which a great many chose to participate.
        Nov 11, 2021
        Cryptowolf and Lyander like this.
      4. Lyander
        Lyander
        Yeah but context matters. I'm used to the heavens being incontinent and so is the infrastructure around me. It's when things are thrown into disarray that messes happen. Lots of love and luck to you all and yours!
        Nov 11, 2021
        atomicbob and Cryptowolf like this.
    9. atomicbob
      atomicbob
      Finally have a schedule free day and have been using the time to revisit so many albums from the library with Studio B + Linlai 300B.
    10. atomicbob
      atomicbob
      AES subgroup virtual tour of blueheavenstudios.com with presentation by Matthew Lutthans. Up close with Doug Sax mastering console ...
      1. atomicbob
        atomicbob
        Incredible presentation on how lacquers are cut, tapes duplicated, care and feeding for music mastering / production. ATC SCM150ASL used for monitoring. Took place Monday night. Don't know if the video will be made public due to copyright issues.
        Oct 28, 2021
        Azimuth, Lyander, Cryptowolf and 3 others like this.
    11. atomicbob
      atomicbob
      Reminiscing tonight over some fine high octane beverage remembering a certain TR7 trip through Seattle ...
      1. Cryptowolf and GoodEnoughGear like this.
      2. atomicbob
        atomicbob
        when Deodato Also Sprach Zarathustra came on the sound system. Inspired a psychedelic trip through the express lanes. Entered the system at 130 kph and proceeded to accelerate to 210 kph. Normally the trip should have taken 7 minutes. That night it was less than 3.
        Oct 22, 2021
      3. atomicbob
        atomicbob
        Of course this was in the wee hours of the morning without traffic.
        Oct 22, 2021
        Cryptowolf likes this.
    12. atomicbob
      atomicbob
      Feel the power podling! That is my experience listening to Pink Floyd Welcome to the Machine on Studio B with Linlai E-300B + HD800-Jmod
    13. atomicbob
      atomicbob
      Listening to Thick as a Brick and alternating between SW51+ with EF-805S and Studio B with Genalex 300B ...
      1. atomicbob
        atomicbob
        SW51+ is like that wonderful sports car that hugs the road as you twist and wind through the mountain passes. Studio B is like climbing into a Tesla 3, engaging Ludicrous Mode and making it so ... pucker your sphincters as the articulate bass hits.
        Oct 15, 2021
    14. atomicbob
      atomicbob
      New habit includes regular listening sessions just for enjoyment rather than spend time measuring and posting. Then *shit* ...
      1. Jinxy245, Kernel Kurtz and Cryptowolf like this.
      2. atomicbob
        atomicbob
        Studio B right channel makes a slow fade. PX300B filament died. New tubes ordered but good thing the lab has numerous high quality alternatives. SW51+ and T4 are going to get a lot of use right now.
        Oct 8, 2021
    15. atomicbob
      atomicbob
      Wife is improving from internal infection but remains on a restricted diet for the foreseeable future. Looking up though.
      1. View previous comments...
      2. Wilson
        Wilson
        Sending thoughts of healing to your wife, Bob.
        Sep 29, 2021
        atomicbob likes this.
      3. Thad E Ginathom
        Thad E Ginathom
        Best wishes.
        Sep 30, 2021
        atomicbob likes this.
      4. atomicbob
        atomicbob
        Thank-you all for the well wishes. The worst restrictions are no red meat, no wine, no high fiber foods. Then when infection has subsided lots of high fiber foods but still no red meat and no wine. Saturday night steak nights are off for awhile. She can have chicken and pork if ground or cooked until it falls apart.
        Sep 30, 2021
    16. atomicbob
      atomicbob
      Originally meant to take only two or three weeks to recharge and avoid burn-out, but ...
      1. View previous comments...
      2. yotacowboy
        yotacowboy
        Best wishes, Bob!!!
        Sep 2, 2021
        atomicbob likes this.
      3. Thad E Ginathom
        Thad E Ginathom
        Very best wishes to you both, Bob.
        Sep 2, 2021
        atomicbob likes this.
      4. atomicbob
        atomicbob
        Thank you for the well wishes. She is improving to the point of insisting on resuming some household tasks and looking after our grand children twice weekly. Still a ways to go to avoid need for a surgical solution. Corporate offered several paid weeks off and at least one a month for the rest of the year.
        Sep 2, 2021
    17. atomicbob
      atomicbob
      Have been on a self-imposed time out as I am BTO II track 8 IRL ...
      1. View previous comments...
      2. Cryptowolf
        Cryptowolf
        Enjoy! You know I’m a fan of a nice red or amber beverage to enhance the listening experience.
        Jul 31, 2021
        atomicbob likes this.
      3. Kernel Kurtz
        Kernel Kurtz
        Just Give it Time.
        Jul 31, 2021
        atomicbob likes this.
      4. atomicbob
        atomicbob
        Thank-you all, I am enjoying this transition greatly. Seriously going to limit future corporate to less than 25 hrs / wk. I'm getting to old for 90 mph hair-on-fire schedules.

        @Kernel Kurtz Welcome Home
        Aug 1, 2021
        Kernel Kurtz and Cryptowolf like this.
    18. atomicbob
      atomicbob
      PNW denizens are weather wimps, myself included. Hot day, was planning to writeup gamma2. Was diverted to offspring A/C issues.
      1. View previous comments...
      2. Koth Ganesh
        Koth Ganesh
        Thad and I look down our collective noses with disdain. What you call unbearable is a walk in the park even for that Brit. ! :))
        Jun 28, 2021
        atomicbob and Thad E Ginathom like this.
      3. Thad E Ginathom
        Thad E Ginathom
        My wife is a huge weather wimp, especially considering that she spent her life in this climate. None the less, I'm very fond of our AC machines!

        I remember one 40C-plus day, no electricity, I was barely conscious! On the other hand, on another 40-plus day, I was charging around temples and monuments with a tourist friend.
        Jun 28, 2021
        atomicbob likes this.
      4. gixxerwimp
        gixxerwimp
        I think the hottest I've ever been was an April afternoon in a hotel in Bodh Gaya when the power went out.
        Jun 28, 2021
        atomicbob and Thad E Ginathom like this.
    19. atomicbob
      atomicbob
      amb gamma2 measurements mostly complete. Now listening. AB comparison with ODAC. Like comparing St-Emilion Grand Cru with MD 20/20.
      1. View previous comments...
      2. purr1n
        purr1n
        St-Emilion Grand Cru = good. Harder and harder to find Bordeauxs these days.
        Jun 23, 2021
        atomicbob and Cryptowolf like this.
      3. M3NTAL
        M3NTAL
        Are you able to compare USB only (bus power / data) vs. the wall powered coax option? My work setup is the Gamma2 Lite - Curious on the compromise.
        Jun 23, 2021
        atomicbob likes this.
      4. atomicbob
        atomicbob
        @M3NTAL yes, both will be included in the technical measurements thread when I post. Have spent a long period tracking down an intermittent problem with the power supply sent with the gamma 2. It has transient indiscretions which affect both the measurements and the sound. Replacing with an iFi 5V supply solves both.
        Jun 23, 2021
        M3NTAL likes this.
    20. atomicbob
      atomicbob
      New challenge ... AC died. Right at the beginning of a hot period. Can't use equipment or wear headphones. Sweating profusely. FWP.
      1. View previous comments...
      2. Azimuth
        Azimuth
        That is about the climate here @Thad E Ginathom. Although this winter did not get nearly as bad as Texas. Summer humid heat, and that will just roll into tornado season
        Jun 22, 2021
        Thad E Ginathom and atomicbob like this.
      3. atomicbob
        atomicbob
        Turned out to be a bad compressor start capacitor. Amazing how much better one feels at 10 °C lower in temp. Now in the queue to replace an 18 yo system, but in a controlled way, not panic driven.
        Jun 22, 2021
        Syzygy, Jinxy245, Cryptowolf and 4 others like this.
      4. Thad E Ginathom
        Thad E Ginathom
        How nice it is when these problems have a quick and easy fix!
        Jun 23, 2021
        Cryptowolf likes this.
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  • About

    Gender:
    Male
    Location:
    On planet
    Occupation:
    acoustic research scientist
    Gear List:
    See information section for my opinions
    My enjoyment of particular recreational music systems is inextricably intertwined with my personal preferences. The following lists are representations of my tastes in music, components and listening levels. The section on music is only a sample of my library but should provide sufficient insight into my musical preferences. I am rigorous and exacting with component measurements. That doesn’t automatically make my opinions worth anything without context. Use the following information to decide how well your own preferences converge or diverge with mine when I make comments about equipment in the forum. DO NOT blindly assume a positive comment from me about some component or headphone will automatically translate to auditory happiness on your part. Likewise you may find yourself enjoying something that I don’t. Consider (learning) your own personal preference.

    Music
    50s, 60s & 70s jazz
    Louis Armstrong, Charles Mingus, Thelonious Monk, Sonny Rollins, Miles Davis, Duke Ellington, Cannonball Adderly, Les McCann & Eddie Harris
    Recorded by Columbia (Frank Laico, Fred Plaut), Bluenote (Rudy Van Gelder), Contemporary Records (Roy DuNann)

    More recent jazz artists
    Wynton Marsalis
    Dave Grusin
    Dave Brubeck
    Bela Fleck
    Chick Corea
    Christian McBride
    Wycliffe Gordon
    Ingrid Jensen
    Steve Treseler
    Terell Stafford
    Ronnie Earl
    Steve Gadd Band
    Charlie Haden
    Brad Mehldau

    Medeski, Martin & Wood
    Medeski, Scofield, Martin & Wood
    Ill Considered
    Snarky Puppy
    Pat Metheny

    Artfully deviant
    Steve’n’Seagulls - Thunderstruck
    Two Cellos - Thunderstruck

    A class by himself
    Santana

    60s & 70s rock
    Emerson Lake & Palmer
    Blood Sweat & Tears
    Pink Floyd
    Jethro Tull
    JJ Cale
    Little Feat
    Dave Matthews Band
    Chicago
    Queen
    Cat Steven – Tea for the Tillerman
    Grateful Dead
    Lead Zeppelin

    Tangerine Dream
    Bruce Becvar
    Gary Stroutsos

    Classical composers
    Mozart
    Bach
    Beethoven
    Respighi
    Vivaldi

    Special
    Canadian Brass

    Listening Levels dBSPL
    60~70 quiet, background listening
    70~80 recreational and critical listening
    80~90 rocking out, often with libations at hand
    90~100 Santana Black Magic Woman / Gypsy Queen, ELP Tank - drum solo

    I tend to listen at quieter levels where electroacoustic transducers exhibit greater linearity. Higher levels are more likely to have greater distortion and require higher power amplification. The result is substantial deviation in opinions by listeners attempting to compare headphones when they are listening at different levels.

    DACs
    Treasured
    Holo Audio KTE Spring2
    Schiit Bifrost2
    Matrix Audio X-Sabre Pro
    Lavry DA11

    Enjoy
    Schiit Yggdrasil A2
    Schiit Gungnir MB A2
    Soekris 1421

    Work (recording, editing, acoustic measurements)
    Lavry DA11, AD11
    RME ADI-2 Pro

    Rather not listen
    Auralec Vega
    Resonessence Labs Concero
    Topping D30
    Objective DAC

    Universal Turd
    Audio-gd S19

    Amps
    Treasured
    Eddie Current Studio B
    Eddie Current Zana Deux SE
    ECP Audio DSHA-3F
    ECP Audio T4
    Shortest Way 51+
    Cavalli Liquid Crimson

    Enjoy
    Cavalli Liquid Platinum
    Schiit Lyr3 with PSVane 6SN7
    EC ZDT Jr after hum reduction modifications
    BottleHead Crack (PS modified, no speedball, e80cc driver)
    Cavalli MCTH
    Schiit Magni3+
    Schiit Vali2 with 6CG7
    Project Sunrise with 12BH7 and Linear Power Supply

    Rather not listen
    Objective 2
    Topping anything

    Headphones

    Treasured
    Sennheiser HD800-Jmod
    Focal Stellia
    Sennheiser HD600

    Enjoy
    Sennheiser HD650
    Focal Clear
    HiFiMan HE-500

    Rather not listen
    Most anything planar except for the HE-500

    System
    I developed a VST chain dubbed Immersion Virtualization System which I employ for my recreational listening. This has a substantial influence on my perception of component performance. See the IVS descriptions in the following links:

    https://www.superbestaudiofriends.o...-synergy-special-sound.54/page-14#post-129407

    https://www.superbestaudiofriends.o...-synergy-special-sound.54/page-29#post-221217

    Signature

    Organizing chaos for seven decades.